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Canon 24-85mm f/3.5-4.5 Review

"L" Manual Focus Override Question: Canon SLR Lens Talk
Feb 21, 2013I have a question regarding full-time manual focus override on the Canon EF 70-200mm f/4 L IS. Per manual, I understand that manual focusing is available after the subject comes into focus in Canon lenses provide instant manual focus override?: CanonFeb 19, 2019Instant manual focus override with RF Lens: Canon EOS RNov 05, 2018Re: Instant manual focus override with RF Lens: Canon EOSNov 05, 2018Any g7xII owners using manual focus overide?: Canon PowerShotOct 22, 2018See more results
Solved: EF-S 24mm f/2.8 STM: Manual Focus override - Canon
community.canon›Canon Forum›Camera›LensesIn AF mode, the manual focus override is not working. Every review of this lens that I have read states that this lens should have instant manual focus override when is AF mode. Turning the manual focus ring in AF mode does nothing even when the shutter button on my Rebel T5 is half pressed. Any explanations or suggestions are appreciated.
CHDK Manual Focus and Subject Distance Overrides | CHDK
And still others need the camera to be in Canon manual focus (MF) mode before you can focus via CHDK set_focus() or SD override via menu. Listed below are some notes collected from various CHDK forum posts and wiki pages that should help you determine how to enable manual focus
Canon AF and full time manual focus override | Photography
wwwography-forum››Photography Chat ForumFeb 24, 2015Canon's response was to re-engage the manual control after auto-focus is complete. So for these lenses manual focus is available and you can use the lens manually nearly all the time. This is usually only an issue with larger bodied lenses where the manual controls create too much torque requirements for the brushless motors to handle quickly.
Canon Full Time Manual Focus Override.. - Canon Camera
Canon Full Time Manual Focus Override Full time manual focus override is a lens focusing function for fine-tuning focus while in camera / lens Autofocus mode.
Videos of canon manual focus override
4:47Click to viewManually Focusing While in Auto Focus Mode -- 3 Types25K views · 5 years ago2:37Click to viewCANON EF 85mm f/1.2 L II USM Prime Lens | Unboxing & Review Video11K views · 3 years ago1:35Click to viewTemporary Auto Focus Override for a Canon XH A1 · 2 years agoSee more videos of canon manual focus override
lens - When would one need manual focus override
When would one need manual focus override? Ask Question 17. 1. A useful technique is to let the auto-focus make the first selection and then to use the manual focus override to fine tune the focus. What I find more useful is to use the full-time MF of a Canon USM lens to get close to the right focussing distance, then to use AF to lockWhen AF is hunting because of low light or lack of contrast in the subject. When you're doing intensive macro shooting. When you don't have enough time to change focus point. When you want to fine tune your focus.Best answer · 17I guess you are referring to the "full-time manual focus" feature which allows you to do manual focus without switching from AF to MF mode. I find it very convenient if you combine it with back-button autofocus . Then you will never need to fiddle with the AF/MF switch. You can just leave your lens on AF all the time. If you want autofocus, it is immediately available in the back button (just like with any autofocus lens). If you want manual focus, you can directly turn the focusing ring (as if your lens was in the MF mode). And you can combine these any way you want. For instance, you can first AF and then immediately after that fine-tune. Or if you notice that AF starts hunting, you can simply give up with AF and use manual focus. Of course there is a downside, too: it is easier to accidentally change the focus when you are handling the camera.8It is invaluable when accurate focusing is critical to the result as you then need not worry about the sometimes uncertain nature of auto-focus. This applies particularly in the following situations: macro photos where the depth of field is very small. photos of flat objects such as documents where you want to select a focus point such that the entire field of view is sharp. in some cases where the focus point is featureless, creating difficulties for the auto-focus system. in low light conditions where speed is necessary the auto-focus may prove to be too slow or unreliable. To get the best results from manual focus, you should use live view and magnify the image. It is possible then to get an exact focus (but for some applications this is rather too slow). A useful technique is to let the auto-focus make the first selection and then to use the manual focus override to fine tune the focus. From time to time I like to deliberately use manual focus just to keep those skills alive.3Sometimes you must manually focus because there are foreground objects that can't be avoided and will draw off the autofocus. You can also have a situation where the target has enough noise around it to keep the autofocus from working at all. Say a marine mammal popping out of the water in a cloud of spray. Lastly, when you can't focus and recompose because there's nobody behind the camera--timer or remote trigger--and the auto is going to go astray for some reason. (Or my old SLR that did the focus when you started the timer rather than when it fired. If you were using that timer to get into the shot it would go astray if there wasn't something suitable there.)2Another one: when the AF can't keep up. I regularly photograph airshows and other aircraft displays. The AF sensor simply can't focus rapidly enough on an aircraft coming in at hundreds of miles an hour, so what you do is you lock focus on a set distance and take your shot when the aircraft gets to that point. Having bright weather so you can use a deep DOF helps a lot in that, as it greatly increases the margin of error you have.1I have never understood this business of making fine adjustments with MF after a lens has focussed automatically. The viewfinders of AF cameras do not show enough detail for precise manual focussing, especially at speed. What I find more useful is to use the full-time MF of a Canon USM lens to get close to the right focussing distance, then to use AF to lock on to the subject. i.e. the exact opposite of what so many "experts" describe.0
chdk manual focus override equivalents (sx50, sx40) - page
chdk manual focus override equivalents (sx50, sx40) - page 2 - General Discussion and Assistance - CHDK Forum. also zoom and manual focus. Now press Menu, Save Settings.., and destination C1 or C2. Manual Focus - Canon SX50 HS - The way it works change. Started by Tomek Feature Requests. 3 Replies[PDF]
Manual Focus Override Pdf - floridaol
FORD FOCUS 2002 OWNER'S MANUAL Pdf Download. View and Download Ford Focus 2002 owner's manual online. Focus 2002 Automobile pdf manual download. The Org Manual 1.1 Summary. Org is a mode for keeping notes, maintaining TODO lists, and project planning with a fast and effective plain-text markup language. u2R English Manual
canon - Manual focus working in AF Mode with an STM lens
The Canon 18-135mm STM lens allows for Manual override when set to AF Mode. It will not harm the lens or the camera. It is a feature that is commonly used by Videographers but also by some photographers, A common example will be at a wedding. Here you focus on the bride, you hear the beep and see the red dot.
Canon EF Lens Full Time Manual Focus Override
I often use the lens full time manual focus override function on my Canon USM zoom lens when doing close-up photography with the Canon EOS 6D / Canon EF 70-300mm f/4-5 IS USM lens (without a tripod). Canon Full Time Manual Focus Override Full time manual focus override is a lens focusing function for fine-tuning focus while in camera / lens Autofocus mode.
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