Nikon SB900, SB910 with AF Assist and 24-70 AF Trouble!

Started Dec 25, 2012 | Discussions thread
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Grig
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Nikon SB900, SB910 with AF Assist and 24-70 AF Trouble!
Dec 25, 2012

Today I was shooting with my brand new 24-70 (I had another one for 5 years, but sold and got the new one for another 5 years) inside with SB910 wide open. AF was driving me crazy!

Just figured out that when you have AF assist ON on the flash (those red rays in AF-S mode) - lens if backfocusing at least for -10 correction!!! When I turned this lite off - it's dead on!

Try it for yourself... Get close object, use single point AF-S and see how it behaves for yourself... It does the same thing on all my bodies - D3s, D800 and D600.

I guess something needs to be done with this because this AF assist comes handy in the dark situations, but with its huge -10 backfocusing it is useless...

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Panasonic Lumix DMC-ZS3 Panasonic Lumix DMC-FZ1000 Nikon D3S Nikon D800E Nikon D600 +11 more
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