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Considering d3100 as First DSLR

JosephK

Seattle, WA, US
6060 posts

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"RE: Considering d3100 as First DSLR"

JosephK Silver Member Fellow Ribbon awarded for his excellent and frequent contributions and sharing his in-depth knowledge and experience with the community in the Nikonians spirit. Nikonian since 17th Apr 2006
Wed 05-Jun-13 08:43 PM

Some lenses have focus motors in them (af-s), some do not. For these older lenses that do not, they require a focus motor in the camera to auto-focus.

To make the D3000 line of cameras so physically small, the focus motor was removed from the camera. Thus, to have auto-focus the lens needs to have the motor. Given Nikon's current lens line-up, this is not as big a deal as it used to be since most lenses coming out these days have the motor in the lens for exactly this reason.

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Joseph K
Seattle, WA, USA

D700, D200, D70S, 24-70mm f/2.8, VR 70-200mm f/2.8 II,
50mm f/1.4 D, 70-300mm f/4.5-5.6 VR, 18-70mm f/3.5-4.5 DX

This is a hot, active topic! Considering d3100 as First DSLR [View all] , buffumjr , Wed 05-Jun-13 08:30 PM
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