Sigma 'D' / Nikon compatibility

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kehanharman@gmail.com - 27 Mar 2006 22:15 GMT

Hi all,
Aplolgies for cross posting.

I am looking at getting a digital Nikon body for my existing Nikon
lenses, and would like to know if anybody has any experience with
autofocus through a Sigma 'D' lens? I have heard that there could be
some issues.

The lens in question is the sigma 170-500 f/5-6.3 D
I'm looking at a D50 or D70 for the body.

I'd appreciate it if anybody could let me know whether there are any
problems.

Cheers,
Kehan

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bmoag - 27 Mar 2006 23:31 GMT

As you know there should not be any problems.
Try before you buy, or make sure you can return the lens if it does not work
properly.
I have no experience with that particular lens, I doubt many people do, but
other Sigma autofocus lenses function very well with Nikons. Some have
reported problems with Sigma lenses on Canon autofocus bodies.
A more interesting question is how Nikon outsources some lens production to
Sigma or other third party manufacturers . . .

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David Dyer-Bennet - 27 Mar 2006 23:32 GMT

> I am looking at getting a digital Nikon body for my existing Nikon
> lenses, and would like to know if anybody has any experience with
[quoted text clipped - 6 lines]
> I'd appreciate it if anybody could let me know whether there are any
> problems.

I can't cite experience with that exact lens, but I've used a Sigma
105mm f/2.8 EX DG on a Fuji S2 and a Nikon D200 digital and it focuses
as well on those as on the Nikon N90 I first got it for.

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Ed Ruf (REPLY to E-MAIL IN SIG!) - 28 Mar 2006 00:41 GMT

>Hi all,
>Aplolgies for cross posting.
[quoted text clipped - 9 lines]
>I'd appreciate it if anybody could let me know whether there are any
>problems.

You will lose A/F where ever the max aperture is greater than f/5.6
--
Ed Ruf Lifetime AMA# 344007 (Usenet2@EdwardG.Ruf.com)
http://EdwardGRuf.com

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