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asiostygius
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Re: The Nikon 600mm F4 Official thread


A crazy (and forced) experiment with an unusual combo:
TC-16A teleconverter autofocusing for a AF-S lens!
My 600/4 AF-S II chip isn\'t communicating properly with TC14E or TC17E converters (!!!), so a meantime solution was to leave lens at MF and use a modded TC16A!

You need to manual prefocus roughly and then the TC-16A made fine autofocus.
Focus is surprisingly responsive and accurate after I made an af-tune for the combo to (-8).
Exif shows 145mm lens and f/ stops not multiplied by 1.6.




Burrowing Owl offspring Dec-2013, early morning por labecoaves, no Flickr

D7100 + modded TC16A + Nikkor 600mm f/4 AF-S II [=960mm f/6.4] + tripod, ISO 500, f/8 (in fact x 1.6 = 12.8) at 1/100s. ~25% cropped image.




Picazuro Pigeon with a 960mm f/6.4 "crazy" lens + TC combo por labecoaves, no Flickr

D7100 + modded TC16A + Nikkor 600mm f/4 AF-S II [=960mm f/6.4] + tripod, ISO 200, f/5.6 (in fact x 1.6 = f/9) at 1/100s. ~50% cropped image. The bird was ~30m of distance.





Picazuro Pigeon couple por labecoaves, no Flickr

D7100 + modded TC16A + Nikkor 600mm f/4 AF-S II [=960mm f/6.4] + tripod, ISO 400, f/5.6 (in fact x 1.6 = f/9) at 1/160s. ~50% cropped image. The birds were ~30m of distance.




Sayaca Tanager with a 960/f/6.4 "crazy" lens por labecoaves, no Flickr

D7100 + modded TC16A + Nikkor 600mm f/4 AF-S II [=960mm f/6.4] + tripod, ISO 640, f/5.6 (in fact x 1.6 = f/9) at 1/400s. ~50% cropped image. The bird was ~25m of distance.





May 03, 2014 at 12:47 PM





  Previous versions of asiostygius's message #12322506 « The Nikon 600mm F4 Official thread »

 




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