blackfox wrote:
not with the 7100


update
after running round like a headless chicken all week and not finding the answer to soft pics on the d7100 a post on flickr from a contact made me realise this is not a ordinary camera with a normal sensor ,he disected one of my pics from yesterday and told me that my shutter speed was way to low for b.i.f ,,i was working on my old formula of focal length plus crop factor equals shutter speed ,i put in a minimum s/s of 1/1600th sec and auto iso 100-4000 and let rip in late evening light .BINGO the first SET of sharp b.i.f shots i have got with the camera .this one below is taken with the 300mm f4 and 1.4 tc ,i will try the new formula on the 1.7 tc tomorrow .PHEW WHAT A RELIEF thats saved a few bob on e/bay fees


test 3 by blackfox wildlife & nature imaging, on Flickr

this btw is a huge crop as well so even better



I dont know exactly at what MP count it occurs but for my D800 I have found that the minimum shutter speed is (at least) twice that I would use for my D3. So for my D3 I get away with my 300mm by going as slow as 1/200th second. On the D800 even at 1/500th I can see the evidence of shake unless I put the camera on a tripod or monopod.

Last edited on Mon Aug 26th, 2013 17:29 by Eric