Oncoming transport - K-3 tracking

Started Dec 19, 2013 | Discussions thread
Contributing MemberPosts: 666Gear list
Re: Impressive series of samples
In reply to audiobomber, Dec 21, 2013

More impressed with the bird shots personally.

I looked at at DOF calculator and put in 135mm lens at F/ 5.6  at 200-25 feet and it is extremely large. It could miss by a country mile and still get it in focus.

200' = 176.2 feet in focus.

50'  =  9.46 feet in focus.

25'  =  2.3 feet in focus

Someone check me on that but I think that is right.

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Presently living in Asia

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Canon EOS 7D Canon EOS-1D Mark IV Pentax K-3 Canon EF 300mm f/2.8L IS II USM Sigma 500mm F4.5 EX DG HSM +1 more
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