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briantilley

Paignton, UK
30235 posts

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"RE: AF ILLUMINATOR"

briantilley Gold Member Deep knowledge of bodies and lens; high level photography skills Donor Ribbon awarded for his support to the Fundraising Campaign 2014 Nikonian since 26th Jan 2003
Mon 12-Nov-12 06:07 PM | edited Mon 12-Nov-12 07:01 PM by briantilley

The D700's AF system is rated to operate down to EV -1. That translates to an exposure of 15 seconds at f/2.8, ISO 100. If it was darker than that, you may struggle.

(Nikon's newer AF system in the D800 and D4 improves on the D700, being rated down to EV -2, or one stop lower)

Especially in low light, a subject with little contrast will cause problems for any AF system. If you could post an example, we might be better able to advise you further.

Brian
Welsh Nikonian

A general, generic topic AF ILLUMINATOR [View all] , sensor , Mon 12-Nov-12 01:28 AM
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