Auto focus motor on DSLR camera

basith

11 Aug 2012 - 6:12 AM

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I have to undestand abt 'Auto focus motor' on slr cameras. I did not get help full answer yet.
I'm asking, A camera not having this AF motor,
can we take gd picture? &
which type camera is easy and good for Beginer to learn photography well?
Pls tell briefly abt it & its importants.
Thank u.

Steppenwolf

1

11 Aug 2012 - 8:26 AM

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The motors that drive autofocus can be either in the camera body or in the lens. The traditional way was to have the focus motor in the camera body with the lens elements driven by the camera using a screw thread. It's becoming more common nowadays for lenses to have built-in focus motors (very small silent piezo-electric ones, called variously SSM, HSM, etc) in which case the in-camera motor isn't used. Some manufacturers (Nikon) have stopped putting AF motors in their cheaper camera bodies. This is fine if all your lenses are SSM, but if they're not then they have to be manually focused.