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1.4 or 1.7 converter

shytot 5
24 Apr 2013 1:47PM
Recently bought the new Nikon AF-S NIKKOR 80-400mm f/4.5-5.6G ED VR Lens to go on my D600 and was wondering if I could get away with a 1.7 teleconverter or should i stick with the 1.4?
I know the 2x converter won't auto focus properly above f8.

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GarethRobinson 11 1.0k 2 United Kingdom
24 Apr 2013 2:07PM
I personally would not use a tc on a lens that is
a: Not a 2.8 or f4 lens
b: Not at a constant Aperture through the zoom range.

Got close to the subject then crop if need be.
scottishphototours 14 2.6k 2
24 Apr 2013 2:22PM
Do a search...same question was asked 2 days ago...
MikeRC Plus
13 3.6k United Kingdom
24 Apr 2013 2:32PM
...I had this lens and it worked fine with a Kenko 1.4 TP 300.

check this out...(NOT MINE) https://www.ephotozine.com/user/featherfriend-71199/gallery/photo/pelican-8304310

and this ... https://www.ephotozine.com/user/featherfriend-71199/gallery/photo/nuthatch-juvenile-8720302

.....try before you buy...good luck .....Mike
tdonaldp 6 1 United States
24 Apr 2013 2:39PM
The most you could use would be the 1.4. I have used 1.7 with 2.8 lenses and there is a degradation in the picture to the extent that I would not print it. With a 1.4 your F stop would be up to a F8.0 and that leaves you having to push the ISO or dropping the speed.
MikeRC Plus
13 3.6k United Kingdom
24 Apr 2013 2:45PM
....they told him that it couldn't be done
....with a smile he went straight to it
....he tackled the job that couldn't be done
....and couldn't do it.
LenShepherd 10 3.6k United Kingdom
24 Apr 2013 3:49PM

Quote:Recently bought the new Nikon AF-S NIKKOR 80-400mm

Maybe those replying do appreciate there is a new version Sad
Nikon confirm autofocus with a 1.4 converter on an f8 compatible body http://imaging.nikon.com/lineup/lens/zoom/telephotozoom/af-s_80-400mmf_45-56g_ed_vr/index.htm
The old version can autofocus with a Kenko 1.4x though autofocus performance is somewhat less than Nikon's minimum standard.
Autofocus with the 1.7x is extremely unlikely at 400mm as the effective aperture is smaller than f8 at the 400mm zoom setting.

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