What does autofocus on a camera do?
Yes in non i-ttl auto and manual
Wht is autofocus motor in DSLR camera Hw does it affect photography Does Nikon D3100 have it?
The motor drives a gear mechanism in the lens and operates its focus mechanism (how correct focus is determined is a bit complicated).The D3100 doesn't have one, it signals the motor in the lens, s...
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Autofocus on a digital camera?
Yes if Manual Focus is Off!
Can you turn autofocus off in Canon T4i camera?
The switch is on the lens marked AF/MF - shift it to MF