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Author Topic: Question Concerning Nikon AF vs AF-S  (Read 424 times)
Edalongthepacific
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« on: September 05, 2012, 10:23:06 PM »
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As I understand it, AF lenses require a camera that has a focusing motor for auto-focus. On a camera without a focusing motor you would have to focus the lens manually. AF-S lenses have a servo onboard but will only function with modern DSLR cameras that interface with the servo. Yes?
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lfeagan
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« Reply #1 on: September 05, 2012, 11:03:52 PM »
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AF-I and AF-S lenses will work without needing a motor in the camera body (and perhaps AF-N as well). Yes, you would have to manually focus with an plain AF lens if your body doesn't have a motor.

This page may help.
http://en.wikipedia.org/wiki/Nikon_F-mount#Electromechanical_and_data_communication
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Lance

Nikon: D700, D800E, PC-E 24mm f/3.5D ED, PC-E 45mm f/2.8D ED, PC-E 85mm f/2.8D, 50mm f/1.4G, 14-24 f/2.8G ED, 24-70 f/2.8G ED, 70-200 f/2.8G ED VR II, 400mm f/2.8G ED VR
Fuji: X-Pro 1, 14mm f/2.8, 18mm f/2.0, 35mm f/1.4
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