Lenses with a tall focus cam gear ratio

Started Aug 26, 2012 | Discussions thread
Lightshow Veteran Member • Posts: 5,972
Re: Lenses with a tall focus cam gear ratio

In the lens, 1:1(360 degrees of rotation)(Short) fine control, slower AF,
1:4(90 degrees of rotation)(Tall) less control, faster AF.
Much like a car transmission, 1st gear = Short, 4th gear = Tall

 Lightshow's gear list:Lightshow's gear list
Sony Alpha NEX-7 Sony Alpha a7R Leica Elmarit-M 24mm f/2.8 ASPH Leica APO-Summicron-M 90mm f/2 ASPH Voigtlander 15mm F4.5 Super Wide Heliar +8 more
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