AF/MF in A77

Started Mar 6, 2012 | Discussions thread
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alfarunner
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AF/MF in A77
Mar 6, 2012

Struggling between the A65 and A77 I read in the review that the AF/MF button is a useful manual/automatic focus clutch, for quickly disengaging AF in older 'screw-drive' lenses.

Since I am a becoming Sony user I would like to know how old are "screw-drive lenses". When did they cease to manufacture these?

If I buy a new lens is it then possible to do a manual correction in AF-mode by hand without this button if I buy the A65?
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 alfarunner's gear list:alfarunner's gear list
Sony SLT-A77 Sony DT 16-105mm F3.5-5.6 Sony 70-300mm F4.5-5.6 G SSM Tamron SP AF 90mm F/2.8 Di Macro Adobe Photoshop Lightroom 5
Sony SLT-A65 Sony SLT-A77
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