Humboldt Penguin by Sayer

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23-OCT-2008	Sayer

Humboldt Penguin

Akron Zoo, Ohio

The lighting was quite harsh making it a challenge to get a good shot.
68mm of extension tubes were required to allow focusing at such a close distance.

More images from the Akron Zoo can be seen here.

Canon EOS-1D Mark III ,Sigma 300-800mm f/5.6 EX DG IF HSM APO
1/640s f/8.0 at 610.0mm iso640 full exif

other sizes: small medium original auto

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Guest		02-Jun-2009 14:43
Interesting! I've never even thought about using extension tubes with this lens! Does AF work with ex-tubes? What focus interval/distance do you get with these tubes?

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