nikon 800mm decision

Started 4 months ago | Questions thread
hoof
Senior MemberPosts: 1,644
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How about pro-DX + 500mm f/4?
In reply to Stephen Robinson, 4 months ago

Stephen Robinson wrote:

Well, Nikon is going to finally release the 800 mm lens in April so i was going to pre order one until i saw the 17,800.00 price!! As everyone knows you always need to get a little closer to get that shot. Well I am looking at other ways to accomplish this. Looking at Nikon's 600 mm (i have all the TCs, or sigma 300 - 800 or the sigma 800. I cant find any good comparisons any where as for sharpness ect. Has anyone out there used these and what are your thoughts. All my other gear is nikon, D800 E, D800, D 3, including largest lens being Nikon's 400mm f2.8 Thanks

An alternate would be a DX + 500mm F/4.  The main obstacle would be the lack of a current-sensor pro-level DX camera (e.g. the d400).  Maybe the upcoming D7100 would be good enough?

The way the optics and math works is your framing, ISO and shutter speeds would be nearly identical for a D800 + 800mm F/5.6 vs a D400 + 500mm F/4.  Dof is the same (not that it matters for these lenses), and you'd get the same IQ images (the FF "advantage" is "made up for" by the 1 stop faster lens).

And likely, the D7000 or D300 successor will be out long before you could get your hands on an 800mm

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