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Which TC to use on my 80-400?
  
 
Ghostinz
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p.1 #1 · Which TC to use on my 80-400?


I was out and about shooting some wildlife at the local animal sanctuary. Mounting my 80-400 on my D7100, I still longed for a bit longer range. For all you 80-400 users...which TC, if any, have you used? If you have multiple, which is the best in your mind.


Oct 09, 2013 at 05:02 AM
Frogfish
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p.1 #2 · Which TC to use on my 80-400?


A lot of people recommended the TC14EII but personally (handheld on a D800E) I found it better just to crop.

If you use a TC then at 560mm or more you are going to need support (mono or tripod).



Oct 09, 2013 at 05:09 AM
trenchmonkey
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p.1 #3 · Which TC to use on my 80-400?


+1 to CROP...why lose a stop of light, or more?? The AF will noticeably slow down too.
TC's are really best with fast primes. Even the 200-400 f4's IQ dropped off with the TC-14E II.



Oct 09, 2013 at 12:01 PM
binary visions
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p.1 #4 · Which TC to use on my 80-400?


After using my 80-400mm AF-S with a 1.4x TC & 1.7x TC... I don't agree with the above.

I wouldn't recommend the 1.7x. However, the 1.4x TC performed very well if you can afford to lose the stop of light. Obviously, f/8 isn't a great place to start if you're shooting in low light but the autofocus is still very good on the D7100 and the image quality, though not quite as sharp as the bare lens, is still excellent.

Obviously, everything is situational. If the extra stop of light is going to let you capture a sharp image, well, cropping a sharp image is better than not cropping a blurry or excessively noisy image. But for this combo, cropping a shot out of the 80-400mm AF-S is not as good as a shot with the 1.4x attached. I didn't directly try it, but my impression is that cropping as shot with the 1.4x TC is similar to a shot with the 1.7x TC - I didn't like the softening I was seeing with the 1.7x.

My only caveats being that I noticed my 80-400mm AF-S + TC-14E II required a massive autofocus fine-tune, to the order of something like +16. When I first started shooting with it, I was getting terrible shots because the AF was so far off. Also, that focal length is distinctly into the "tricky to hand-hold" range.

All that said - I don't use the 1.4x much. I'd rather shoot without it, and the time it takes to put it on is not very conducive to a quick, that-animal-is-a-little-too-far-away situation. However, if you're going to be doing something where you know 400mm is too short, it works pretty well.



Oct 09, 2013 at 01:20 PM
gugs
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p.1 #5 · Which TC to use on my 80-400?


I agree with all of the above. The 1.4 TC is really usable in terms of IQ, but on the other hand, cropping will be easier because you don't always want to add/remove the TC depending on the situation and as Will said, AF and aperture won't be influenced. In other words both cropping and the 1.4 are decent solutions. It depends...

Guy



Oct 09, 2013 at 02:30 PM
leonkoum
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p.1 #6 · Which TC to use on my 80-400?


no one


Oct 09, 2013 at 05:00 PM
 

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Alan321
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p.1 #7 · Which TC to use on my 80-400?


Keep in mind that with a TC you will gain capability when you need a FL greater than 400mm and lose capability between 80mm and 112mm (80 x 1.4). Between those two extremes you can expect poorer IQ from 112mm to 400mm with the TC than without it. If you are only using the long end then that is ok but if you are using the middle FLs as well then you may not like the compromise. Or you may not even notice it, especially if you make small prints that cannot use most of the image data anyway (e.g. a 5"x7" needs only about 3 Mpx at 300ppi).

This sort of compromise is common with zooms where FLs with and without TC have some overlap but is not applicable with primes.

- Alan



Oct 14, 2013 at 02:11 PM
trenchmonkey
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p.1 #8 · Which TC to use on my 80-400?


This sort of compromise is common with zooms where FLs with and without TC have some overlap but is not applicable with primes.

Especially true with variable aperture zooms



Oct 14, 2013 at 02:14 PM
ckcarr
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p.1 #9 · Which TC to use on my 80-400?


This is as good as I could get with my new 80-400mm G and a 1.7tc...
Stationary subject, tripod & remote, f/11, VR off. 640mm on a D800e and cropped a bit.

You be the judge.








Oct 14, 2013 at 02:28 PM
trenchmonkey
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p.1 #10 · Which TC to use on my 80-400?


Not bad...but the feather smearing and loss of details, kills it for me. You might be happy with it, Craig.
FWIW, the AF-S 300 f4 TC-17E II combo (handheld) totally spanks this IQ. Just sayin'...
~70% crop SOOC




  NIKON D800    500mm    f/8.0    1/3200s    400 ISO    -0.7 EV  




Oct 14, 2013 at 02:53 PM
OccAeon
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p.1 #11 · Which TC to use on my 80-400?


I don't know, those two look pretty close to me in terms of sharpness, at least at web sizes. I think that ckcarr's just has more aggressive noise reduction.


Oct 14, 2013 at 03:15 PM





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