@photoshoot. Nikon Press Release on introduction of Stepping motor based AF lenses. When i press the shutter button the lens will keep moving back and forth. You may repeat this a few times. You forgot to mention the back button focus - if you are using it then the shutter release button will not automatically focus. 06/24/2018 by On several Nikon DSLR camera bodies, the focus motor is in the camera and a series of gears drives the lens’ focusing mechanism, which allows the lens to focus. Try to take a photo with the back button focus. How to avoid boats on a mainly oceanic world? Previously I had reformatted the memory card and defaulted all the setting in the camera. ... Focus motor: Nikon AF-S: Length : 99 mm: Image stabilization : Nikon VR: Diameter : 74 mm: Aperture : f/3.5: Max focal length : 85 mm: Min focal length : 85 mm: Weight : 355 g: See 50 sample photos taken with the Nikon Nikkor AF-S … You choose these from a list. I cant even use manual focus. I encountered the same problem but found out that the D3200 requires a AF-S lens to be able to auto focus. I held the button down half way to start the auto focus and then used my hand to force turn the lens back and forth and suddenly the auto focus feature started working again! #1 Autofocus not Manual. MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC…, “Question closed” notifications experiment results and graduation. With the lens set to AF, it does nothing, but makes a slight whirring sounds as if the camera is trying to, but can't focus the lens. I knew there was something else I could do.. If you suspect this problem, you can try wiping those connections gently with a lens cloth or a tissue without any coatings. I was sure the ens was broken because I could hear it try. This model is geared towards casual photography enthusiasts with advanced specifications and performance. How to avoid overuse of words like "however" and "therefore" in academic writing? When the lens is switched onto Auto, the camera doesn't take pictures at all, and on manual it needs to be focused manually (obviously). Make sure it's set to set to "M/A". Why am I getting poor AF results with my Pentax K10D? I have tried several methods as suggested above but t was still not working. What I can conclude at this point is that it is the camera (none of the lenses will AF), and that the AF module is actually fine (green dot comes on when focusing manually). This last bit won't apply to your D5100 camera, but if you were using a different body that will autofocus with AF and AF-D lenses also, you could do an additional diagnostic step: see if one of those lenses (i.e. Make sure you choose a lens that has an AF / MF switch on the side. 2017Amanda Doris Why does my Canon 550D make a small sound while focusing? This is one of many ways the D3400 saves money so it can do pretty much the same thing for $500 as a $6,500 Nikon D5 does. I have a nikon d40 plus standard 18-55mm lens about 2 years 6 months old.The lens has been playing up and today it decided to pack up,it will not focus and can not … twiddling the ISO auto, minimum shutter speed and other options also allowed improvements. Reply ... 367 posts. Auto focus modes can vary between different digital camera brands. Any other button on the dial will not focus even though it will take pictures. Turn the camera on and check if the problem persists. First, this lens is AF, not AF-S, which means if you have a D40, D3100, or D5100, you won't be able to auto-focus it. If autofocus works with the other lens, the the problem is almost certainly with your lens. My auto focus was working. Nothing:/. On the camera it must be set on AF, not M, and on the lens put it to M/A (A stands for Autofocus and M for Manual, M/A allows you to use both). Make sure it's set to set to "M/A". In case it's the latter, the following might be a quick fix: Detach / reattach the lens: turn off the camera, depress the lens release button and rotate the lens clockwise until it detaches. I have a Nikon 35mm f/1.8G AF-S DX I bought for my Nikon D5100, it's only a couple months old, never been dropped or anything, and it all of a sudden won't auto focus. I played with the focus ring. I'm not sure if it's a setting that I can fix or if there is something wrong with the camera itself. It was stiff and made a ratcheting sound that sounded bad. Same problem with failure to focus - solved by ensuring switch on lens was set at A not M - simply really ! In live video mode when switching the setting to AF-F on my Nikon D3200 it acts like the AF-S setting is supposed to, only focusing when I half press the shutter. I have cleaned the lens and the camera, Any suggestions? I have tried a different lens and the auto focus is perfect. Guys. I am having a similar problem. This is Nikon's current production version of this lens, and is superior I think to the older versions (with the possible exception of the short-lived AF-S version). Hi My sons lens won't auto focus, but his larger lens … Maybe the manual work was the solution, but I wanted to comment also the initial steps that I did. Can you help me with that on my D3000 please ? Can the automatic damage from the Witch Bolt spell be repeatedly activated using an Order of Scribes wizard's Manifest Mind feature? Make sure it's set to "AF". Raza Khalid. Thank you for the advice. It could be just an isolated incident with my own lenses, but that little twist has unlocked all my lenses. I found out something by chance about AF issues I have been having with my Nikon: When you put the lens cover on - if you push it on too hard and the lens turns in a little, it will go into a lock position. Nikon D5100 not focusing and shooting black at bottom, My Nikon D5300 LCD not turning up + Auto focus not working. I had the same exact problem (with my Nikon D3200 18-55 3.5-5.6 ), and after searching a lot, watching a lot of youtube useless videos, got the solution reading a lot of the experiences posted here. my d3200 already has that nasty 'metering error, send to nikon' message, but was using it on manual with no problems. Update: mine will autofocus itself sometimes and never when I try to focus it on something up close like my hand 6 inches away. Terms — I have tried several methods as suggested above but it’s still not working. I am still struggling . Set the lens to AF (auto focus) to begin with. Same as above, went to the setup menu and reset everything. However, the opposite isn’t true: Choosing MF as the Focus mode does not free the lens focusing ring so that you can set focus manually; you must set the lens switch to the M position. It focuses on its own right when I turn the setting on but then stays in that fixed range until I half press the shutter. similar difficulty. August 18 by 01/23/2019 by First of all check if the focus of the lens is set to AUTO or MANUAL. How do I respond as Black to 1. e4 e6 2.e5? I even tried turning off auto then turning it back on. But to no avail. Do PhD students sometimes abandon their original research idea? Did China's Chang'e 5 land before November 30th 2020? Brand. I went ahead and took it in to the store today and exchanged it for a new one. AF NIKKOR lenses use a mechanical coupling between the lens and the camera body. I too then went into the ‘Menu’ setting, looked for ‘Buttons’, and assigned the AE/AF button to AF-ON. What should I do when my Nikon AF-S lens won't auto focus? Don’t panic.... it is not necessarily a problem with the camera OR THE LENS! Meanwhile, I'm glad that you have managed to resolve your problem. June 22 by I was afraid I needed to get it fixed by Nikon. @hapticz. DO NOT twist it hard. Do not use AF lenses with the lens focus-mode switch set to M and the camera focus-mode selector set to AF. I have had no issues since. But when doing this it's vitally important not to get foreign matter into the camera body. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The lens has not been dropped. Similarly check the "M/A - M" focus mode switch on the lens. *2: The AF-P lens built-in vibration reduction function cannot be disabled. It takes light coming in at one end … I did exactly as he had done, and now I have my Auto Focus back, so a big thank you from me Michael. Had the same problem, my pictures were blurry because the lens could not rotate automatically, instead it produced some sound meaning something was not working well.I removed the lens and fitted it back and switched the lens to A mode. One full turn of the AF screw focuses the lens from infinity to 95 feet. These Non-CPU lenses simply don’t have the chip and contacts on their mount and, therefore, can only communicate with the new bodies via aperture (manual aperture ring – your camera body won’t be able to adjust aperture any … When you set your camera lens to AF (auto focus), digital SLR cameras offer the photographer a choice between interchangeable modes. 167 months. Larry Martin. Thanks! I had it on M for manual when it should have been on A for auto. It's like something was gummed up inside or it wasn't quite right on with the gears, but after I turned it slightly it would jump into focus. My nikon dx AF-S Nikkor 55-300mm lens is not working. The problem might be with the camera body, the lens, or the interface between the two. The AF-S VR Zoom-NIKKOR 200-400mm f/4G IF-ED will only autofocus with the TC-14E II. I hope I get all the terminology right trying to explain this. This is what I did: I went into the shooting menu and in the first option set all to default. All three are produced by Commlite with different branding. As previously mentioned, the AF Nikkor 50mm f/1.8D (and any other older AF type lenses) will not auto-focus on the Nikon D5100. Now I can't seem to change it back! It’s important to practice alternatives to auto focusing, for times when your lens AF setting isn’t co-operating. @brittyxsalmon. Meghan Siobhan, Priscilla Sandoval To fix: hold on to the very end of your lens and the camera base. Many, but not all, AF-S lenses have their own AF Mode Switches. @flyingdutchman. LOL....No, It's turned on. I finally reset the shooting menu and it magically worked. Nikon 300mm f/4 Focus Limiter. Same problem, my D3200 would not autofocus on ONE lens. Photography Stack Exchange is a question and answer site for professional, enthusiast and amateur photographers. it seems there's more to this error than just a simple mechanical issue. Brittany Taylor How easy is it to actually track another person's credit card? AF NIKKOR lenses use a mechanical coupling between the lens and the camera body. When I am changing the setting to manual the shutter is firing but still there is focus issues. Nikon's D3200 DSLR has 24.2 megapixels. This may be a stupid question, but do you have the autofocus switch turned off on the lens? Here are the 5 most common Camera Lens won't Focus on subject issues that people face while shooting photos using their DSLR camera. There are three Nikon AF Smart adapters on the market. I feel dumb for not trying it sooner, but I’m very happy now. Focus. Can you use the Eldritch Blast cantrip on the same turn as the UA Lurker in the Deep warlock's Grasp of the Deep feature? Nikkor 55-200 af-s/ed/vr. AF-P NIKKOR 70-300mm f/4.5-5.6E ED VR (the only full frame AF-P lens) Additional info on Nikkor AF-P lenses: There are two types of Nikon lenses that have a built-in focus motor: AF-S lenses and AF-P lenses. Wipe the contacts carefully with a pencil eraser. Your solution sounds easy enough but I was not able to find any DEFAULT options in either Shooting or Setup. Let’s get started with low-light performance. 12/08/2019 by August 19 by 12/06/2017 by Thank you SO MUCH!!! Must have been jammed or something! The lens does not have to be identical to the lens that came with your camera, any recent Nikon AF-S type lens will do. I hope this works for others. Some of Nikon's AF-S lenses are pretty damn slow - … I had the same problem last Sunday ( Sept 24, 2017) I had Nikon D5300 and the AF-P 18-55 lens suddenly stopped auto focusing. The easiest way to do this is to try a different lens. Huzzah and thank you for posting! I had the same problem. Admittedly it doesn’t explain why it no longer auto focuses with a slight depression of the shutter release as it used too, for for now at least, I am quite content to have found a work around. working perfectly. laura.strah, Happy Fixer Ricardo De Angelis, Ricardo De Angelis On Nikon AF-S lenses, moving the switch on the Nikon lens to M automatically sets the Focus mode to MF. It worked perfectly! Thank you. All Nikon zoom AF-lenses have focal length encoders added. The autofocus works fine on the other lens I have. The solution is to set up your Nikon so that focusing is activated by a button on the rear and not the shutter release; this is known as back-button focusing. I even teared the camera apart looking for a problem, so funny the solution was so simple ... hhhhh, what I did was simply wiggling the nob 1/4 way and HORRY ! It seem to be doing the job right. But for some reason.. the Manual would not move. i set it to 'manual' and was shocked when the lens started auto focusing, vibration reduction and got some excellent images. You can check this in the "Setup Menu" -> "Buttons" -> "Assign AE-l/AF-L button". Allan Schramm. I have updated the answer to be more consistent with the question in order to better help anybody coming across the question later. Or, for those camera bodies that have them, a problem with the aperture coupling ring. Nikon 300mm f/4 AF Focus Window. The auto focus on the camera is broken. However, consider the following: If you're using LiveView (that is, you use the camera's LCD display rather than the optical viewfinder for composing your shots) autofocus will always be slower and less precise compared to using the viewfinder, and depending on conditions the camera might not be able to focus correctly. Then i inadvertently switched back to A mode and the pictures wouldn't focus on the foreground because i needed to go back to M mode to switch focus to the foreground. It was slow to auto focus but it's getting better the more I work with it now. If not, why not? And also try another lens to see if that one works. 12/17/2017 by Set the settings back to AE/AF lock so that autofocus is set to the shutter button only. After that its now working perfectly. There are (as far as I know) no menu settings that inhibit autofocus from working correctly. @amanda. Failure to observe this precaution could damage the camera or lens. Anybody found a fix? Flying Dutchman After reading Mark Fouts comment I tried his solution and it solved it. Happy shooting! I have only one camera. Is the Nikon 35mm 2.0 worth the extra money over the 1.8? Now it works fine, without my assistance. I can't believe I didn't look at the switch... feel like an idiot, but a thankful one. Then set the lens on A, forcing the focus manually, I put some force on it going clockwise and back for some seconds. Cristian Lopez, September 15 by It only takes a minute to sign up. Currently, there are a number of higher-end Nikon DSLRs that have an aperture indexing (AI) ring built in, which allows for meter coupling with lenses that can’t digitally communicate with the body. I had the same problem and it turned out that I had set the AE button to AF on. How do I get it to work correctly and autofocus on its own? However, it could be manually focused. Suzanne Miller. then bought a new vr/af/dx lens and suddenly had all the features of that lens the with the knob on manual setting. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Hence, I am now confirmed that there is some issue with the lens. Hence, I am now confirmed that there is some issue with the lens. I'll keep it in mind in case this happens again in the future! Prime Lenses that have a Nikon AF-S focus motor. I don’t know what to do anymore. Why is my D7100's auto focus not working? But by inspecting my AF sensors (place your mirror in Mirror up postion (Mup)and release the shutter) I found out that there was a little piece of foam stuck right in front of the AF sensor. It wouldnt autofocus. Have switched back to default mode since the autofocus function is much quicker and crisper that way. Step 5 – Place the focus point in the middle of the frame (center dot). Beyond that, see if you can narrow the problem down to just the lens, just the body, or just this particular combination, by trying a different AF lens with the same body, and a different AF body with the same lens. What lens should I use to be able to fill the frame with a mounted 35mm slide at 12 inches? In the past, Nikon’s two most popular modes were called Continuous Servo AF and single area AF. Try taking off the lens and cleaning the metal contacts. So using an eraser or something like that to clean the connections is quite dangerous (if you have bits of rubber somewhere inside the mirror cavity, that's not going to be good for image quality). I had the same issue and was able to fix it by slightly and gently turning the focus while in auto focus. Thanks for the post. Then reattach the lens by inserting it and rotating counter-clockwise until it locks. Michael Silver, same here, for the last week i've been trying everything posted on the internet ! Same here. Initially I tweaked the lens back and forth, as has been suggested, and it worked for a while (temporarily) but I soon discovered that the issue of non Auto focsus was not resolved after all. Liew Kenlee, 01/26/2018 by Nikon 18-55mm lens won't auto focus. I had exactly the same issues, and actually gave up on the camera for a while, until I found Michael Silvers answer on this site. 12/26/2017 by What is the application of `rev` in real life? AF Speed . And while I.. was there I moved the A/M switch.. it looks like a barrel with a spring around it..gently.. and moved the connections applying some pressure to assure that there was nothing loosed.. as Soon as I moved the barrel. Lenses and camera are set to AF using the respective switches on lens and body. It will probably be slower on more primitive cameras. Thanks to you Michael, 07/30/2019 by I had problems with my autofocus on my Nikon D700. It looks dark and similar to a fingerprint but not when i manual focus. ladyross_60. What does the phrase, a person with “a pair of khaki pants inside a Manila envelope” mean.? I have tried a different lens and the auto focus is perfect. I have tried several methods as suggested above but t was still not working. In MF, turning the focus ring makes soft clicking sounds. Allan T Schramm, © 2020 iFixit — Licensed under Creative Commons — Privacy — I had the same problem last Sunday ( Sept 24, 2017) I had Nikon D5300 and the AF-P 18-55 lens suddenly stopped auto focusing. The camera will only focus when I put the dial on GUIDE. My others lens works so I know it is not the camera. The camera does not offer the "Manual focus ring in AF mode" custom setting for enabling/disabling focus ring operation in autofocus mode. I really wanted my Manual focus ring to be in optimal condition to shoot videos with my D3100.. After thinking and reading more common problems that users are having.. it seemed to me. I did not know that this negated the half press focus function of the shutter button. Step 3 – Set the camera to single-point, single-servo autofocus (AF-S for Nikon, One-Shot for Canon) Step 4 – Open the lens to one stop down from its widest aperture (e.g. As of today, my D610 refuses to use auto focus with any of my lenses (worked fine yesterday). 12/25/2017 by If so, how do they cope with it? Reattach the lens, turn the camera on and check if the problem persists. Does a large black area in live view mean my camera is terminally broken? Accessibility. You can find many of these for a reasonable price on EBay or the London Camera Exchange. For how long is yet to be determined... For days I had tried all the solutions mentioned in the comments. It is a mechanically focused lens. Sometimes big problems have simple solutions. How do people recognise the frequency of a played note? So once again. Who first called natural satellites "moons". @redal. It will release. Be careful to avoid debris getting into the rear of the lens. Long ago in a galaxy far away... A lens is a pretty simple thing. Best way to let people know you aren't dead, just taking pictures? That the function on my A/M switch that was not doing it's job . My auto focus now works wonderfully. Nikon Auto Focus Smart Lens Adapters for Sony E-Mount. If you've taken care of those checks and eliminated those problems, and you're sure the lens is correctly seated on the camera body, then the most frequent remaining cause is poor electrical connections between the camera body and the lens. IS auto-shutdown causes SLR to stop detecting lens - Canon 70-200 2.8L IS MK I. Make sure it's set to "AF". Thanks.Make sure you comment after facing a challenge, you will help a brother somewhere and make the universe better. Similarly check the "M/A - M" focus mode switch on the lens. I have this same problem with my Nikon D5300 and lens suddenly stopped auto focusing. I carefully removed it with a toothpick and Voila the autofocus works perfectly again. if anyone gets hold of a repair manual for these, PLEASE share it! Lenses that do not have a focus motor incorporated into it are simply called AF NIKKOR lenses. After reading this forum, I put it back on A and forced it to focus. Check your camera settings if autofocus is set for the AE-L/AF-L Button. It’s worth pointing out now that this process is really to calibrate the autofocus on your camera to the desired lens and will not fix ‘soft’ focus lenses in any way. Hopefully It was just a defective lens and I won't have this problem again. If so, you can try cleaning the contacts that connect the lens to the camera body: detach the lens completely, and look at the rear flange of the lens to locate the contacts. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I take really, REALY good care of my stuff! I tried my luck an opened the switch casing by removing the single screw located on the lower part of the panel. Nabeel Sahotra. Thursday 20th August 2015. It just whirred. Anyone know if this is a simple fix or if I should take it in to be repaired? On several Nikon DSLR camera bodies, the focus motor is in the camera and a series of gears drives the lens' focusing mechanism, which allows the lens to focus. I have tried a different lens it’s not still working. Enter the focal length and maximum aperture. Nikon AF-I, Sigma/Tamron/Tokina: no designation: The lens contains an integrated focus electric motor. I went ahead and exchanged it for a new one today:) It will be in, in a week, hopefully I don't have this problem again! AF speed is on the slow side on my F100. I received the Nikon DX AF-S Nikkor 18-55 VR lens (used) yesterday, my camera was bought used and only came with the 55-200 lens. it started working again, I did what Michael S suggested and it worked! set an f/2.8 lens to f/4) and the middle of its zoom range (if it’s a zoom lens). Ok so I fumbled around with my camera for like an hour -_- only to find that the switch on the lense one for A and one for M was the problem. Someone plese help? Hopefully this would help someone. The lens number merely means that the camera can store data for up to 9 different lenses; it’s not an intrinsic property of the lens. On the lens, M is manual focus, like the 1950s. THANK YOU! And that did it! Panshin's "savage review" of World of Ptavvs. William Jeffery. Then look at the lens flange on the camera body to locate the lens contacts' counterparts, and wipe these with the pencil eraser as well. Turn the focus ring on the lens and look for the focus … I would like to address this question in four separate sub-sections – low-light performance, AF reliability, continuous subject tracking, and live view autofocus performance. This does not apply to AF-S and AF-P lenses, which can be used in M mode without setting the camera focus … I can manual focus but not auto focus. Sometimes it worked sometimes it wouldn't focus at all. Exact same problem with my Nikon d5300 with afp 18-55mm kit lens! It aso made the viewfinder jump 3 times when I first put it on. That will eliminate the body as the issue or part of the issue. AF Lenses. This is at the left-hand side of the camera (from the photographer's point of view) near the bottom, below the lens release button. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Take a piece of cloth dip it into rubbing alcohol and gently wipe the contacts. Hope this helps. It was working perfectly with my AF 50mm lens, then I got creative and on the menu and changed AF to manual. If autofocus does not work even with a different lens, there's no easy fix - the problem is almost certainly with the camera body. But it started working. I am facing same issue since last week, if u both get any solution, plz let me know. Any suggestions? Attach an all purpose lens to your camera. I have the D5100, not the D90:) All my other lenses work fine, it's just this lens. autofocus, but not AF-S) will autofocus on your camera body. How do I orient myself to the literature concerning a topic of research and not be overwhelmed? After reading this I took the lens at the end and "tweaked"it back and forth, BOOM then autofocus started working. Nikon AF-P: The lens contains a pulse motor (utilizing stepping motors) to focus smoother and quieter than previous drive systems. It released the focus ring. *3: If the standby timer is allowed to expire, the focus position will change when the timer is restarted, requiring refocusing. Thank you! After restarting the camera the autofocus started to work slow, after some shoots looks like it did some kind of automatic calibration and Voila! I was having this issue for MONTHS with the standard lens and a new lens. In case the lens is a cheap kit lens like the AF-S DX 18-55, it is likely not worth the trouble to repair, since such a lens can be bought new for about 100 bucks - or you might take the opportunity to upgrade to a better quality lens. Rangan Dawn. The problem was on the lens it self. I have the same problem with the auto focus on my Nikon D5100. I was about to send my camera in after searching YouTube and google for a few hours, reseting camera, cleaning sensors. If you don't have one, see if you can borrow one from a fellow Nikon owner. Hi, I am new here, and also fairly new to dslr, I have had the Nikon D40 for about 3 years now and finally have grasped using it on settings other than Auto. When that happens it can be a hint that there is a problem with either the electrical connections in the lens mount. AF-S NIKKOR lenses feature Nikon… nikon does release lens repair manuals, but who need them, they are a real nightmare to fix! Sorry I didn't read your question carefully enough. rev 2020.12.2.38097, The best answers are voted up and rise to the top, Photography Stack Exchange works best with JavaScript enabled, 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, Learn more about hiring developers or posting ads with us. Give the lens a little twist - you will feel it unlock. Were there often intra-USSR wars? This worked!! Nowadays, they are called AF-C (short for auto focus continuous) and AF-S (short for […] After I release my lenses, auto focus seems to work as it should. Beyond that, see if you can narrow the problem down to just the lens, just the body, or just this particular combination, by trying a different AF lens with the same body, and a different AF body with the same lens. If the above did not solve the problem, you'd have to figure out if the problem is with the camera or the lens. When using a7 II, a7R II, a7 III, a7R III, a9, a6300, a6400 & a6500, they work fairly well with many of the newer Nikon Type G or E lenses. Again, be careful not to get any debris inside the camera. Now all I have to do is depress the AE/AF button to Auto Focus, you will hear the familiar beep sound when your image is focusesd release the AE/AF button once focused and take your picture in th usual way using shutter release - PROBLEM SOLVED. 10/28/2018 by First, check the AF/M switch on the D5100 camera body. Hope this helps you guys! I had almost given up and then I found your post!! That's ok. The button is on the lens itself. What should I do about Nikon D90 intermittent shutter release failure? one of the metering settings was set to auto aperture. BUT, only after drilling down into the setup menu. Which game is this six-sided die with two sets of runic-looking plus, minus and empty sides from? After tinkering for a while I realized I had messed with the settings while on M mode and focused on the background. Check that both the lens and the camera switches are both pointing towards Autofocus. Just to take a view. All AF-S lenses will have similar speed - faster than that of AF lenses - when it comes to the mechanics of focusing the lens Not correct. Many Nikon shooters might be wondering how good the Nikon D850 is when compared to its predecessor, the D810, as well as other Nikon DSLRs. this camera has the old/original software version, but i don't want to upgrade until i figure out what actually is causing the metering error. 10/02/2018 by MF (manual focus): Choose this setting to shut off the autofocusing system and focus manually. Assignment: A lesson in auto focusing and alternatives.