Dec 6, 2008. My brand new 5D Mark II works great except for the focus confirmation beep sound. I have enabled the beep in the first menu (right after quality). I've read the manual and I don't see anything else to set. The camera does seem to focus properly, I see the AF sensor flash red briefly and I also see the focus confirmation light turn
The Canon 5D Mk II has micro focus adjustment which allows you to compensate for manufacturing tolerances. Micro focus adjustment should be done at the distance and type of light you normally shoot / use your camera. Newer cameras allow you to micro focus adjust a zoom lens at both ends of zoom range.
I'd been using a 70D with the 17-40 lens, but then replaced that with a Tokina 11-20 f28, for real estate jobs. After I got the 5D, I upgraded to the Canon 16-35 lens. The issue is the focusing on the 5D is not as accurate as the 70D. I work on a tripod, and when the shot is framed, I'll press the shutter half way to get the correct focus points.
The short answer is that the 5D III has a very advanced and highly customizable focus system. It's basically the *same* AF system that the 1D X (flagship) camera uses (with one minor nuance in that the 1D X links the metering system to the subject tracking system and the 5D III does not.

Options. 11-19-2022 06:21 PM. I recently purchased a 70-200mm F2.8L USM lens and when I hold the shutter button half way, the lens is just focusing back and forth, and not finding anything to focus on. If it does focus on an image,80% of the time the image is out of focus. Iā€™ve tried it on a T5 and an 80D but the problem still exists.

With all of my lenses - 50mm 2.8 macro, 24-105mm 4f L, and 85mm 1.2f II L, I cannot get auto focus to work with my Mark 5dIII. The minute I set the camera to "Auto" the auto focus works perfectly. I don't like shooting in "Auto" but with the 85mm it is almost a necessity to have Auto Focus working. Can someone please help me troubleshoot?
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I have recently-purchased 6D Mark II camera and EF 100-400mm 1:4.5-5.6 L IS II lens. The past few days the lens will not autofocus at 400mm some of the time. If I zoom out to 250mm, focus, then zoom back to 400mm, it will focus. I can re-create the problem easily on the 6D, but on my older 5D Mark III the lens works perfectly.
The 50/ 1.4 uses Micro Motor USM not the higher end Ring Type USM AF Motor. A lot of Micro Motor lenses DO NOT support Full Time Manual Focus. The 50/ 1.4 is a bit special in this case that it does. It supports Full Time Manual Focus because there is an additional clutch system that Ring Type USM lenses have. 1. I have tried two different lenses with the same result (EF 70-200 F4L IS USM and the EF 100 F2,8L IS macro) 2. I have cleaned the lense contacts on both the body and the lense. 3. I've upgraded from firmware 1.2.3 to 1.3.3 and reset the camera to factory settings. 4. I've changed focus back to the shutter button. This is NOT Meant to be Click-Bait - Protecting Your Front Lens Element in Camera Accessories 12-31-2023; 50mm 1.8 ii repair cost in EF & RF Lenses 12-31-2023; Need info on my grand daughter's EOS Rebel T7 lens dimensions in EOS DSLR & Mirrorless Cameras 12-25-2023; EF 70-200 2.8 L IS II USM focus not working in EF & RF Lenses 12-22-2023

Canon DSLRs donā€™t feature focus peaking at all. You can only use focus peaking on cameras with Magic Lantern. ML is third-party software that extends Canon camerasā€™ features. The problem is that Magic Lantern is not yet developed for many of Canonā€™s newest DSLRs. That includes the 1DX series, the 5D MkIV, the 7D MkII, the 80D and 90D, and

"Even if I had both the 24-70 and the 70-200, I think I'd still want the 24-105 as my third lens." Bedsides the Canon duo, I have the Sigma 24-70mm f2.8 and 70-200mm f2.8 and the Tamron 24-70mm f2.8 and the 70-200mm f2.8 and still I have the 24-105mm f4. Matter of fact I have/had two of them! It For video I suggest the 5d III. The 5dIII has better options for video with Magic Lantern (higher resolution options and framerate options). Don't expect much from autofocus. On the 6d, you can half press the shutter button while in liveview (and not recording) and then it autofocus on where the focus box is, or if facedetection is on, it Solution. AF (Autofocus) does not work (EOS 5D Mark III) ID : 8201363600 _ EN _ 1. Solution. Check the focus mode switch on the lens. Autofocus will not operate if the focus mode switch on the lens is set to . Set the focus mode switch on the lens to , as shown in the image below. Clean the lens and camera electrical contacts. I heard a rumor that the Canon 6D similar to the 5d MKII cant autofocus in HD Video. That can't be If that is true Canon severely crippled the 6D. 5D Mark II CAN autofocus during HD video, but it's terrible. Phase detection AF can't be used because that requires the mirror to be down, which blocks the sensor. The 18-55 STM, and 18-135 STM (or 18-135 USM) have virtually silent AF that does not move during AF or MF. The 50mm lens has a noisy AF that moves during AF or MF. With both the 18-55 and 18-135, any AF or MF movement takes place inside the lens and is not visible or audible to the user.
I wondering how auto focus goes with the 5DIV at F8. It says work better than 5DIII. Also how is the 1,4xIII on the lens, I had II, it was not very good. thanks. Well I have not had a chance to BIF because all the birds froze and dropped. Maybe this weekend. For whatever reason my 1.4 III needs a lot of MFA with that lens. +13.
Magic Lantern is a free firmware addon for Canon EOS DSLR cameras that adds a host of features to assist photographers and videographers. 5D Mark II, 5D Mark III
PEhH.