Tamron 28-300mm f/3.5-6.3 DI XR for Canon "focussing problems" Questions

help with focusing with 7d What is the focussing problem? The EOS 7d is usually an autofocus camera with a 19-point focussing system. Are you trying to override the focus manually? This is not ...

...polarizing filter on my 70-300 DO lens, it cannot be made to focus. I don't mean it has trouble focussing on Auto, I mean even on Manual it cannot be focussed. Probelm disappears when using a ...

...flash to your body (e.g. 430EXII or 580EXII). These flashes emit a AF assist beam to assist focussing in low light

My Canon 24 f/1.4 L USM doesn't focus when autofocussing on long distant objects. When I turn manually to infinity, it focusses on the (long distance) object. Is this a known issue or is it normal? If

Lense dark and stuck in place. First of all the lense stuck so there was no way of focussing and then all went dark, I can't see anything when the lense is attached to the camera but its fine without ...

...K200d worked beautifully, the other day I went to take some pics but the motor runs but there is no focussing Found this myself check manual focus ring (closest to camera) maybe ring has moved to ...

POSSIBLE MOLD INSIDE CAMERA LENS I have two Quantaray (Minolta) AF Electronic Telephoto Lens showing internal spider web like indications of, I presume, mold. Is this an economically repairable ...

...It is just a possibility but you may have overrode the auto focus. If you accidentally move the focussing ring it disables the auto

...and often not achieving focus. It was returned ''fixed'' at a high cost. It is again now not always focussing at first press of the shutter with some resultant out of fucus images. Are other people ...

picture is blurred take photo but cannot see image clearly its just a blurr Any weird noise ? Is your camera old.. it must be focussing problem . It can be die to lens or poor light and contrast