The AFS 70-300mm is one of the few non-Pro zoom lenses I use a TC with. The rear element is recessed so there is no danger of it interfering with the TC front element, unlike most other zoom lenses. It works nicely with the Kenko pro 1.4X extender but as mentioned above it really slows down auto focus and in poor light will hunt, especially at the 300mm end.
Ryan, I'll take a few photos outside tomorrow with the AFS 70-300mm and the Kenko pro 1.4x. I took a couple photos indoors today but in the low light it chatters with the extender and then settles down at 300mm. And that was with the D800's improved AF sensitivity. Performance was fine at 200mm. I was 14' from the target.
But here is what I shot inside tonight. Shot with the D800 and AFS 70-300mm VR at 300mm, first without and then with the Kenko Pro 300 1.4X extender. Other than size there is no post processing. The focus point was just under the nose.
300mm full frame. Shot at f5.6 and ISO 800 with SB-400 flash.
420mm full frame. Shot at f8 (actual f11)
crop from 100% enlargement of 300mm photo.
crop from a 67% enlargement in order to keep the size comparable.
Sat 02-Feb-13 04:51 PM | edited Sat 02-Feb-13 04:53 PM by Leonard62
Here's an outdoor photo taken today with the AFS 70-300mm VR and the Kenko Pro 300 1.4x extender.
It's a cold and windy day but at least the sun is shining. I found that even in the sun with the lens at 300mm plus extender,the lens focus will chatter and then settle down so I could take the photo. The chatter was not caused by the VR.
Here's the full frame taken about 100 feet from the tree. I used the D800, ISO 400, lens at f5.6 (effective f8) with the 1.4x extender attached. No post processing.