08-23-2015 01:59 PM
Just bought the 5Ds r and have used it once (yesterday) on a shoot. Seemed to work fine. Picked it up today and the autofocus doesn't work with either of the two lenses I have at my disposal. I haven't changed a thing that I know of. I've cleared all custom functions and cleared camera settings to try and fix. Nothing has worked. Suggestions?
08-23-2015 05:57 PM
What are the two lenses?
If Canon, call Canon for support.
If 3rd party... this is mildy uncommon, but has certainly happened many times before (lens is "chipped" to be compatible with Canon bodies so far as the 3rd party lens maker has been able to test, but someone gets a new camera that the 3rd party lens maker has never tested before and they find out it's not compatible.)
You can contact the 3rd party to find out if they are aware of the problem. Sometimes you can send them the lens and they can update the logic (assuming they have an update available.)
08-23-2015 06:25 PM
Thanks for the reply Tim. The lenses are a Sigma 15mm and a Canon 24-70. I primarily use the Sigma and it seemed to be working fine yesterday. I can only assume that within the last 24 hrs that the contacts on the camera body have become corroded. This is hard for me to believe since the camera is brand new but I can't think of any other explanation. I don't see any corrosion and I've cleaned the contacts on both lenses. This is crazy irritating as I'm on the road supposed to be on a shoot over the next few days!!! I just left my old (but trustworthy) 5D MkII at home...
08-23-2015 07:17 PM
08-23-2015 07:34 PM
Yes, the AF/MF switch is in the AF position and I've been careful not to reconfigure any of the buttons. In any case, I have reset all the original camera settings a couple of times just to be sure.
It's kind of bizarre. I've kept playing around with it this afternoon and the autofocus seems to kick in once in a while but only for one or two shots. It then stops working. Again, it works fine in MF. This is driving me crazy - this being a brand-spanking new body!
08-23-2015 07:49 PM
08-23-2015 08:10 PM
I have tried each of the AF modes and none of them work. The lens isn't even trying to focus (in any mode) - using a subject with good contrast or one that doesn't. So, I don't believe it's the focus mode.
08-23-2015 08:23 PM
If the camera is in "One Shot" focus mode, will it take a photo?
I'm wondering if the lens "thinks" it's in MF mode (e.g. bad switch or something along those lines). In "One Shot" mode, the camera uses "focus priority" and will (should) refuse to take a photo if it cannot get a focus lock. But in MF mode it'll take a photo immedaitely (It will also take a photo immedaitely if in "AI Servo" mode.)
You could test it, take a photo (if it will), and then inspect the EXIF data to see if the camera or lens thinks the lens is in MF mode.
08-23-2015 09:07 PM
In "one shot" it only takes a photo if I move the camera to the point where the image is in focus. That is, I have to move forward or backward until the subject is in focus and then the camera will take a photo. In MF it takes photos immediately and in AI Servo it takes them immediately, though the lens is still not trying to focus when I hold the shutter button down half way.
The EXIF data says it's in whatever mode I shoot in, i.e. one shot (moving the camera to a point where the image is in focus), AI Servo, or MF.
I'm at my wits end BUT I really appreciate your help Tim!
08-24-2015 08:16 AM