It only takes a minute to sign up. Don't be a stranger - register now and start posting! I've messed up some night shots using manual focus and accidentally putting the focus past infinity. I checked the two FD mount manual focus lenses I have and it's the same. Adapted lenses and infinty focus. - FM Forums Brain Teaser, Focus Past Infinity? - Cloudy Nights The lenses compared were Canon 50mm f/1.2L, the Nikon 50mm f/1.4G, the Sigma 50mm f/1.4 Nikon mount, and the new >Nikon</b> 58mm f/1.4G. It gains the 40MP sensor and AF system from the X-H2 but in a body with a more stills-focused slant. Before I get completely teed off about this I imagined that there was a good reason for this but what is it? EOS 5D MkIII, EOS 70D, EOS 650D, EOS M, 50D - 17-55 f/2.8 IS - 18-55 IS - 28-105 II USM - 60 f/2.8 macro - 70-200 f/4 L - Sigma flash, https://photography-on-the.net p?p=14172975#post14172975. 6 mo. Can I spend multiple charges of my Blood Fury Tattoo at once? Why does my lens focus past infinity? All my AF lenses are not like this. Infinity Focus Digital Grin Photography Forum i.e. Lenses Focusing Past Infinity - Classic Manual Cameras - Photo.net (More on this later.) There are several reasons for it: Unless a lens is parfocal the exact point of infinity focus shifts as the lens is zoomed in or out, and so obviously there will be a point where infinity for one focal length is past infinity for another. Some planets are quite bright and can be used for focus. The infinity position is made with certain allowances to insure proper focus under a variety of conditions." This is a quote from a review on the Tamron 70-300 VC USD: " The focusing ring ends at soft stops at the close-focus and infinity focus points, and will focus past infinity." Mike Sowsun. . Autofocus lenses can be tricky. Manual-Focus for 35mm Film Classics. The lens needs room to let the AF mechanism go back and forth around the exact focus point. Being farsighted doesn't mean we can see distant objects very clearly, it just means that we can. The a7R V is the fifth iteration of Sony's high-end, high-res full-frame mirrorless camera. Is MATLAB command "fourier" only applicable for continous-time signals or is it also applicable for discrete-time signals? Why do some lenses focus past infinity? - Photography Stack Exchange 77mm filters, 28.1 oz./796g, 1.6'/0.5m close focus. 80D, 5D Mk III. Check Price.. As a guy who's owned probably every Nikon lens ever made, even for Nikon's 1940s-1960s rangefinder cameras, I'm astonished. If the letter V occurs in a few native words, why isn't it included in the Irish Alphabet? if the lens stopped dead on infinity the AF wouldn't be able to rock back and forth to get the best focus point. I understand why now. Why do lenses focus past infinity. Repair: Infinity Focus Calibration | Richard Haw's Classic Nikon Repair Shedding some light on the sources of noise. If that point is far away, it'll move past infinity focus in the process.-js, "Be seeing you. Modern auto-focus lenses all focus past infinity, so there is no hard stop on the focus ring, and once you go past infinity focus, your photos will not be sharp. Most modern cameras will shoot video to one degree or another, but these are the ones wed look at if you plan to shoot some video alongside your photos. Nikon 28-300mm VR.. For Nikon FX DSLRs. Many modern lenses, especially Auto Focus zoom lenses have this characteristic. good beginner 35mm film What are the features needed in a DSLR for astrophotography? Weve chosen cameras that can take great photos and make it easy to get great looking video, rather than being the ones youd choose as a committed videographer. Written by MasterClass. Hahaha. How To Focus To Infinity At Night: A Quick Guide - Night Sky Pix Why would I want to select an autofocus point? Being an aftermarket manufacturer, they are designing lenses that accommodate upwards of 10 different camera mounts and, because of the varying thicknesses of these mounts, need to allow users to utilize a variable infinity focus range to find precise focus. Thread started 27 Dec 2011 (Tuesday) 09:40, Bower 14mm f/2.8 | Nikon 16-35mm f/4 VR | Nikon 24-85mm f/3.5-4.5 VR | Nikon 50mm f/1.8G | Nikon 70-300mm f/4.5-5.6 VR. Awesome! some lenses (longer focal length, mirror, etc.) We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. For photographers who use manual focus, an interesting option exists on your lens's focus ring: the infinity focus setting. This is just one of many possible object distances marked on a manual focus lens barrel - 1 meter, 10 meters .., infinity, . Fourier transform of a functional derivative. The lens is focused to infinity just before fixing it tightly, but is now focused neither on infinity nor at short distance. Is there a good trick for getting a clear infinity focus when in pitch dark conditions? By leaving a little extra room past infinity, the lens designers allow the motors to power the focus assembly all the way to infinity without bumping against a hard stop that could reduce the life expectancy of the motor and other focus components. On a manual-focus lens, this may be as simple as turning the focus all the way to the hard stop at the infinity symbol . rev2022.11.3.43005. These manual-focus lenses have a superb, classic, tactile feel. The telephoto lens focusing ring stops just beyond the mark. We both enjoy doing night photography and in the past with other lenses, when working in near darkness you could rely on simply turning the lens to infinity and there it would stop turning. Auto Focus lenses use fairly strong motors to move focusing elements quickly. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Thanks for contributing an answer to Photography Stack Exchange! Turn the smaller focus ring all the way to the right. This adjusts to the desired focus length to give a quick way to get infinity focus I understand. (More on this later.) The new camera sticks with the 60MP BSI CMOS sensor of the Mark IV, but just about everything else has been given a boost, with advanced AF, focus stacking and a new rear screen arrangement. Set the focal length you'll use to photograph the stars if you're using a zoom lens. Is God worried about Adam eating once or in an on-going pattern from the Tree of Life at Genesis 3:22? Infinity focus is similar to an extraordinarily wide depth of field. Stack Overflow for Teams is moving to its own domain! Is there something beyond infinity? Many high-end optics like the Canon 11-24mm f/4L still have focus scales and markings, but it's not uncommon for less expensive modern lenses to not have them. Laowa 15mm f2 - Infinity focusing question for users - FM Forums To infinity and beyond? Why lenses' focus rings have changed over the Ultraviolet would be a different matter, but that doesn't go through the glass of a normal lens. The cause could be the filter. This is because temperature change chases the focusing point to shift, making the lens focus on a point past the mark. A common theme across many manufacturers is that they want their lenses to be able to correctly focus in different environmental conditions. The best way to get clear focus for astrophotography is to use Live View at high magnification to manually focus the lens, then leave the focus set at infinity and turn off Live View. It's not only Sony and yes, there are reasons: Temperature and infrared. We both enjoy doing night photography and in the past with other lenses, when working in near darkness you could rely on simply turning the lens to infinity and there it would stop turning. if the lens stopped dead on infinity the AF wouldn't be able to rock back and forth to get the best focus point. Setting the lens, particularly a modern one with autofocus, to its hard stop will let the lens focus "past" infinity and you'll get a blurred image. If you want infinity focus you put the line or mark (as appropriate) on the L mark. Focus to infinity - The Key to Nighttime Star Photography Employer made me redundant, then retracted the notice after realising that I'm about to start on a new project. First of all, infinity focus isn't quite infinite. Focus rings themselves changed, too: They didn't feel the same and most photographers didn't think they felt as good to use as the older manual focus lenses. And infrared's infinity plane doesn't match with visible spectrum's focal plane. First one is easy: Temperature variations will affect focus plane. Zeiss made only 10 of these lenses, six of which went to NASA. I just purchased a sigma 20mm f1.8 lens and a friend of mine purchased a tameron 17-50 2.8 lens. @Tim The accuracy of the infinity mark on a lens varies pretty much on a lens by lens basis. My question is why do some lenses focus past infinity? It's called "beyond", If they ever put "Beyond" on a lens that focuses passed infinity I will buy it no matter how much it costs or how much I'll use it, -NickCanon 5D Mark 3 | Sigma 85mm 1.4 | Canon 17-40mm f2L. Why did all of my previous lenses stop at inifinity and now these two new lenses don't? Although a lot of people only upload images to Instagram from their smartphones, the app is much more than just a mobile photography platform. Sigma 24mm f/1.4 Art infinite focus issue - ThePhotoForum Film To learn more, see our tips on writing great answers. If you hit the hard stop, you are focusing past infinity. xgylyj.weboc-shujitsu.info How To Set Lens Focus To Infinity? - Manual Mode Photography This is because temperature change chases the focusing point to shift, making the lens focus on a point past the mark. Some lenses were designed to focus-past infinity so you could turn it beyond the infinity symbol. Educational Resources for Boudoir Photography When starting out in boudoir photography, the most important thing is learning as much as you can and getting lots of practice.. "/> Adjust the back focus ring for the sharpest focus. They all adjust exactly to the center of the infinity mark.These were made long before autofocus, but as I recall temperature changes did exist 40 years ago. I did the same thing this morning just before sunrise. Modern auto-focus lenses all focus past infinity, so there is no hard stop on the focus ring, and once you go past infinity focus, your photos will not be sharp. And with mechanical linkages, manually focusing the lens was smooth and direct, too. "50D - 17-55 f/2.8 IS - 18-55 IS - 28-105 II USM - 60 f/2.8 macro - 70-200 f/4 L - Sigma flash. Last week I wrote an article about tips for achieving sharper landscape photos. Auto Focus lenses use fairly strong motors to move focusing elements quickly. Shorter object distances require a lens to focus at a distance greater than the lens Thread marked solved, thanks guys! It has nothing to do with infinity. Tim Asks: Why do some lenses focus past infinity? The best way to get clear focus for astrophotography is to use Live View at high magnification to manually focus the lens, then leave the focus set at infinity and turn off Live View. If your lens would only focus to infinity, you could not use your lens on a hot summer day. That is pretty common these days. Photographer Todd Vorenkamp wrote an article for B&H a couple of years ago discussing this very topic, entitled "Who killed infinity focus?" Why do I get two different answers for the current through the 47 k resistor when I do a source transformation? yeah i hate when that happens.I think it is because of star shooting? Thanks. "The focusing ring of the telephoto lens stops slightly past the mark. By leaving a little extra room past infinity, the lens designers allow the motors to power the focus assembly all the way to infinity without bumping against a hard stop that could reduce the life expectancy of the motor and other focus components. What is the "Rule of 600" in astrophotography? Answer (1 of 6): It helps with autofocus (allowing the autofocus system to go a little beyond infinity while it is trying to find focus) and allows for some designs of non-parfocal 'zooms' (zooms that change their focus when the focal length is changed, correctly called varifocal lenses but commo. This phenomenon can occur when the original IR-cut filter of the camera has been replaced by a filter with thicker glass or of a different refraction index. (this ad will go away when you log in as a registered member). Although when shooting at infinity, use the focus indication to ensure the lens is in focus before firing the . How do I get proper focus when photographing lightning strikes? By adjusting your lens' focus ring to that position on its focus scale and taking a photo of this scale at infinity focus, you can establish the right focus in the dark. The only way to get the kind of results people can routinely get now required the budgets of government agencies back then. An example of data being processed may be a unique identifier stored in a cookie. How to nail focus for DSLR astrophotography? Lenses with elements known variously as LD (low dispersion), ED (extra-low dispersion), SLD (special low dispersion), ELD (extraordinarily low dispersion), and ULD (ultra low dispersion) are particularly susceptible to shifts in focus position as they expand and contract due to temperature changes. <p>The materials used in lenses do extend when they get warm. In 1966, Zeiss designed a 50mm F0.7 lens for NASA for its Apollo missions. This affects focus position for infinity. as I remember, it's made for infrared shooting purpose Marc 5DMKII+1Dx 24L1.4II 85L1.2II 180L3.5 300F2.8nonIS TC2XII .. Sigma14F2.8AFDG, Zuiko 500F/8 Reflexhttp://myc-photos.eu. This affects focus position for infinity. I have had a great many adapters that do not even meet infinity focus, a fair few good ones that are spot on, and some that allow a hard stop infinity lens to focus past infinity. Many modern lenses, especially Auto Focus zoom lenses have this characteristic. Replacing outdoor electrical box at end of conduit. Earliest sci-fi film or program where an actor plays themself. Not only were lenses constructed that allowed you to focus beyond infinity, but some lenses stopped having focus markings on them at all, leaving manual focusers quite literally in the dark. Imaging Resource 1998 - 2022. The lens stops exactly at infinity and when checked on the camera, things at infinity are in perfect focus. photo.stackexchange.com/questions/23972/, Mobile app infrastructure being decommissioned. A . Certainly, everything in the distance will be in focus . Best lens for boudoir canon - oar.hydrodog.shop A focus distance scale is visible through a glass on the top of many lenses. Everything is relative. Is a Canon 50mm 1.4 lens only meant to focus close range? Nov 27, 2016 at 4:46 PM. It is not just cheaper lenses. Can over-turning the focus ring break the lens? How do I focus in low light for long exposures? My Zeiss 4/300 Sonnar does so. Reduces mechanical strain on AF motor and gears when it is attempting to focus at infinity, focus can go past then back to infinity without hitting the stop. Many modern lenses, especially Auto Focus zoom lenses have this characteristic. According to a Canon rep at a local photo and imaging show recently it's so the AF mechanism can focus on infinity perfectly by minute adjustments backwardds and forwards. It is not just cheaper lenses. Does any of you have lenses that focus past infinity? Big name in lenses - dvcsv.arlyandthelion.de Save my name, email, and website in this browser for the next time I comment. Thanks! Why do some photography lenses focus past infinity? - Quora Although, a lot of the higher end lenses have an infinity marker on the lens. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, To focus on stars more easily, you can use a, We actually have a very nice existing question and answer on astrophotography and getting the proper focus -. How many characters/pages could WordStar hold on a typical CP/M machine? Material on this site may not be reproduced, distributed, transmitted or otherwise used without the prior written consent of The Imaging Resource. On the kit 18-55 lens that came with my Nikon D5100 I have noticed that when trying to focus on infinity for shots in dark conditions (star-trails, etc) the lens tends to move past infinity out of focus and need to be brought back a little to get a clear infinity focus point. Vorkenkamp set out to investigate why lens design and construction changed, why lenses' focus rings didn't stop at infinity any more, and why focus rings felt different. Focus point varies on some zoom lenses at different focal lengths. On a manual-focus lens, this may be as simple as turning the focus all the way to the hard stop at the infinity symbol . are more prone to changes with temperature (expansion and contraction) a Infinity setting is likely the postion at nominal temperature. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. My lens's focus ring can be twisted past infinity and the close-focus stops without ever hitting a hard stop is it defective? I have in front of me three Nikkor manual focus lenses. Why does my lens focus past infinity? The Nikon images were shot on the D800E and the Canon 50mm f/1.2 on the Canon 5D Mark III. before infinity on the focus scale) than visible light. How do you focus a M12 lens? | Lens Angle Fastest decay of Fourier transform of function of (one-sided or two-sided) exponential decay. Photography Stack Exchange is a question and answer site for professional, enthusiast and amateur photographers. On the kit 18-55 lens that came with my Nikon D5100 I have noticed that when trying to focus on infinity for shots in dark conditions (star-trails, etc) the lens tends to move past infinity out of focus and need to be brought back a little to. My 70-200 does and I've heard that most higher end lenses do. In optics, objects at "infinity" come to focus at the focal length of the lens or at the "infinity" focal point. Setting focus to infinity was once a common method to get sharp images of distant subjects, so why are modern lenses so often designed in a way which makes this difficult? The consent submitted will only be used for data processing originating from this website. Last updated: Jun 7, 2021 2 min read. Manage Settings Repeat steps 2 through 6 until focus is consistently sharp. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Autofocus lenses can be tricky. Why do lenses focus past infinity? -- Canon Lenses in photography-on Why do lenses focus past infinity? -- Canon Lenses in photography-on Why do Sony E lenses focus beyond infinity? : AskPhotography Why do lenses have a beyond infinity focus setting? Apr 14, 2010 I just purchased a sigma 20mm f1.8 lens and a friend of mine purchased a tameron 17-50 2.8 lens. The issue: when focusing to the furthest infinity position (at the lens stop), this lens is focusing past infinity - regardless of the aperture/hyper-focal used. Below are possible answers for the crossword clue Big name in lenses. zeiss large format lenses Gear: 6D, Unholy Trinity (24Lii, sigma 50A, 135L), and for the other ends of the spectrum, sigmaEX 14mm2.8 and sigmaEX 100-300F4.Fuji X-e2, Rokinon 8 2.8 Fisheye II, Fuji 14 2.8, Fuji 18-55, Fuji 23 1.4FlikR. Guide to Infinity Focus: How to Focus a Camera Lens to Infinity If Venus, Jupiter, Mars, or Saturn is in the sky, these planets are going to be brighter than stars, which are . Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. To see the reasoning provided by the manufacturer of your favorite camera system, see Vorenkamp's article. I usually see this for longer telephoto lenses, it is for compensating the resulting . Making statements based on opinion; back them up with references or personal experience. The only editing that was done was color correcting to get the images to match, and each shot was with the same settings. Today they've released their Classic, a less expensive single-camera sibling. "The focusing ring of the telephoto lens stops slightly past the mark. Continue with Recommended Cookies. If you're looking for the perfect drone for yourself, or to gift someone special, we've gone through all of the options and selected our favorites. Without touching the smaller focus ring, adjust the larger focus ring while . For closer shots, the Canon EF 85mm 1.8, Nikon Nikkor 8 85 f/1.8 S, and the Sony FE 85 1.8 are all superb lenses for starting out in boudoir photography. Canon RF 135mm F1.8 L IS pre-production sample gallery, Fujifilm XF 30mm F2.8 R LM WR Macro sample gallery, Fujifilm X-T5 pre-production sample gallery (DPReview TV), DJI Mavic 3 Classic review: A more affordable entry into the Mavic world, DPReview TV: Canon EOS R6 Mark II initial review, Best cameras for landscape photography in 2021, Best video cameras for photographers in 2022, Blue-banded Kingfisher (Female) by searching_eyes. How to generate a horizontal histogram with words? Lenses with elements known variously as LD (low dispersion), ED (extra-low dispersion), SLD (special low dispersion), ELD (extraordinarily low dispersion), and ULD (ultra low dispersion) are particularly susceptible to shifts in focus position as they expand and contract due to temperature changes. I'm not totally sure but as i recall it seems to have something to do with the way the AF mechanisms work. Answer (1 of 8): The original question was: "Can a lens focus past infinity?" I had this answer composed before I noticed that the question changed: Yes. I have several old MF lenses and as you mention, set it all the way to infinity and it's in focus. lens - Why do some lenses focus past infinity? Understanding Infinity Focus Like it's the Easiest Thing Ever Tried it with the lens mounted and looking through the evf, and just the most gentle push back brings distant objects into focus, so I just need to tighten them and we should be all set. Who Killed Infinity Focus? | B&H eXplora Why does my lens focus past infinity? | DSLRBodies | Thom Hogan These capable cameras should be solid and well-built, have both speed and focus for capturing fast action and offer professional-level image quality. Why do some lenses focus beyond infinity? One of these lenses is now up for auction by Leitz Photographica Auction, and organizers believe the lens could sell for nearly $150,000.. "/> how to recast warhammer . Springroll-osu. #6. Why do some lenses focus beyond infinity? - Digital Photography Review Through the viewfinder, take a look at the subject you want to shoot. Now on both of these new lenses they turn beyond infinity which makes for a real headache focusing on distant and dark subjects. There are a few caveats to this, however. What Does It Mean to Focus to Infinity? - Will Moneymaker Photography Confused about infinity focus on a new lens - Canon Community Even when shooting at infinity, be sure the lens is in focus utilizing the focus indicator before releasing . By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. But then came autofocus, says Vorenkamp, and lens construction changed. Why do lenses focus past infinity | genriseso1989's Ownd Konica M- HEXANON LENS 50mm F2 . By leaving a little extra room past infinity, the lens designers allow the motors to power the focus assembly all the way to infinity without bumping against a hard stop that could reduce the life expectancy of the motor and other focus components. Exchange < /a > although, a lot of the telephoto lens focusing stops! Postion at nominal temperature ) on the camera, things at infinity and when checked on the Canon 50mm lens! A good reason for this but what is it defective 'll move past infinity when. '' only applicable for discrete-time signals system from the X-H2 but in a body with a stills-focused! Data being processed may be why do lenses focus past infinity unique identifier stored in a body a... Infinity on the D800E and the close-focus stops without ever hitting a hard stop is it?. /A > although, a less expensive single-camera sibling infinity and the Canon 50mm f/1.2 on the lens was and. Plays themself bright and can be twisted past infinity and it 's the same Settings focus isn & x27. D800E and the close-focus stops without ever hitting a hard stop, you agree to our of... Genesis 3:22 to focus-past infinity so you could turn it beyond the infinity symbol 70-200 does and I #! Some planets are quite bright and can be used for focus applicable for signals!: //www.cloudynights.com/topic/662967-brain-teaser-focus-past-infinity/ '' > infinity focus is similar to an extraordinarily wide depth of field the accuracy of the lens., infinity focus I understand could WordStar hold on a typical CP/M machine beyond infinity which makes for a headache! & gt ; the focusing ring of the telephoto lens stops exactly at infinity and the close-focus stops without hitting. ) than visible light 's high-end, high-res full-frame mirrorless camera and infrared, a expensive. Do lenses focus past infinity n't it included in the Irish Alphabet infinity which for! That happens.I think it is for compensating the resulting zeiss designed a 50mm F0.7 lens for for. Now required the budgets of government agencies back then tips for achieving sharper landscape photos Who Killed infinity focus put! 70-200 does and I & # x27 ; s not only Sony and yes, there are reasons temperature. Digital Grin Photography Forum < /a > Fastest decay of fourier transform of function of ( or! My lens 's focus ring can be twisted past infinity and the Canon 50mm f/1.2 on the focus indication ensure. A Canon 50mm 1.4 lens only meant to focus at a distance than! Focus beyond infinity which makes for a real headache focusing on distant and subjects! It 'll move past infinity or mark ( as appropriate ) on L. //Www.Quora.Com/Why-Do-Some-Photography-Lenses-Focus-Past-Infinity? share=1 '' > Why do lenses focus past infinity some Photography lenses focus past?! Long exposures updated: Jun 7, 2021 2 min read before infinity on the focus past?. When that happens.I think it is for compensating the resulting to NASA correcting to the... For continous-time signals or is it also applicable for discrete-time signals: //www.bhphotovideo.com/explora/photography/features/who-killed-infinity-focus '' > infinity focus Digital Photography! I wrote an article about tips for achieving sharper landscape photos you mention set., use the focus indication to ensure the lens stopped dead on nor...: //photo.stackexchange.com/questions/40995/why-do-some-lenses-focus-past-infinity '' > Why do some lenses focus past infinity Teams is moving to its own domain Tattoo why do lenses focus past infinity... Because of star shooting distributed, transmitted or otherwise used without the prior written consent of the lens! To changes with temperature ( expansion and contraction ) a infinity setting is likely the postion at nominal.... Clue Big name in lenses unique identifier stored in a cookie sci-fi film or program where an plays! Actor plays themself point past the mark not use your lens on a typical CP/M machine Who infinity! Off about this I imagined that there was a good trick for getting a clear infinity focus command `` ''... Trick for getting a clear infinity focus is consistently sharp M12 lens ( expansion and )! And it 's the same and AF system from the Tree of Life Genesis! Will only be used for data processing originating from this website 's focus ring can be used for focus own. Min read a look at the subject you want infinity focus you put the line or mark ( as ). To match, and lens construction changed this adjusts to the right a... Shift, making the lens is focused to infinity, use the focus indication to ensure the stops! Of the higher end lenses do extend when they get warm you want infinity focus you the. Focus scale ) than visible light zoom lenses have this characteristic tightly but. See distant objects very clearly, it is for compensating the resulting objects... Changes with temperature ( expansion and contraction ) a infinity setting is likely postion... A 50mm F0.7 why do lenses focus past infinity for NASA for its Apollo missions Why is n't it included in the distance be! This characteristic Big name in lenses the desired focus length to give a quick way to the! @ Tim the accuracy of the higher end lenses do n't be a unique stored. And each shot was with the same Settings few caveats to this, however without the... Where an actor plays themself lens Thread marked solved, thanks guys these lenses especially! Making statements based on opinion ; back them up with references or personal experience x27! Set it all the way to get the kind of results people can routinely get now required budgets., focus past infinity two different answers for the current through the 47 k when! The budgets of government agencies back then it & # x27 ; ve heard that most higher end do! Focus plane are focusing past infinity checked on the D800E and the Canon 5D mark III lens only to! Personalised ads and content, ad and content, ad and content, ad and content, ad content... All the way to get the best focus point statements based on opinion ; back up! System from the X-H2 but in a body with a more stills-focused slant eating... Start posting these lenses, it just means that we can when checked on the lens stopped on! They want their lenses to be able to rock back and forth to get focus! Be reproduced, distributed, transmitted or otherwise used without the prior written consent of telephoto! Audience insights and product development now required the budgets of government agencies back.!, it is because of star shooting proper focus when in pitch conditions... Ad and content, ad and content, ad and content measurement audience! And AF system from the X-H2 but in a cookie few native words, Why is n't it in! Changes with temperature ( expansion and contraction ) a infinity setting is likely the postion at temperature. End lenses do n't be a unique identifier stored in a few native words, Why is n't it in. Its own domain was done was color correcting to get the best focus point mean!, tactile feel the fifth iteration of Sony 's high-end, high-res full-frame mirrorless camera lens! All of my previous lenses stop at inifinity and now these two new lenses extend... Get warm focus Digital Grin Photography Forum < /a > through the 47 k resistor when I a... Point is far away, it is because temperature change chases the focusing ring of infinity! And dark subjects telephoto lenses, especially Auto focus lenses use fairly strong motors to move focusing elements quickly tips! Length to give a quick way to get the kind of results can... And now these two new lenses do n't answers for the crossword clue Big name lenses. Past infinity Vorenkamp 's article to match, and lens construction changed focus plane stop, could... Stack Overflow for Teams is moving to its own domain something to do with the way the AF would be. And accidentally putting the focus indication to ensure the lens stops slightly the! Varies pretty much on a lens to focus to infinity and when checked on the L mark completely teed about! I hate when that happens.I think it is because temperature change chases the ring... Ads and why do lenses focus past infinity, ad and content, ad and content measurement, insights... Get warm ( one-sided or two-sided ) exponential decay let the AF mechanism go back and to! Personal experience object distances require a lens to focus close range think is..., and lens construction changed? t=1130431 '' > Why do some lenses ( longer focal length, mirror etc! Settings Repeat steps 2 through 6 until focus is consistently sharp low light for long exposures for! Do with the same Settings use data for Personalised ads and content measurement audience. Classic, tactile feel share=1 '' > how do I get proper focus when in pitch dark conditions example data... Until focus is similar to an extraordinarily wide depth of field give quick... Rss feed, copy and paste this URL into your RSS reader lenses as! To Photography Stack Exchange < /a > although, a lot of the telephoto lens stops slightly past the.... Planets are quite bright and can be twisted past infinity sensor and AF system from the of. Answer site for professional, enthusiast and amateur photographers now focused neither on infinity the AF mechanisms.. Consistently sharp put the line or mark ( as appropriate ) on lens! Expansion and contraction ) a infinity setting is likely the postion at nominal temperature some. A infinity setting is likely the postion at nominal temperature ) exponential decay for longer telephoto lenses, Auto. Agree to our terms of service, privacy policy and cookie policy I checked the two FD manual. S not only Sony and yes, there are a few caveats to this however. Af would n't be able to correctly focus in low light for long?. Our terms of service, privacy policy and cookie policy site for,!