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TC's

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Cornish-guy
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Joined: Wed Apr 24, 2013 1:57 am

TC's

Post by Cornish-guy » Sat Dec 10, 2016 12:59 am

Anyone us Teleconverters with your lenses or do you just rely on cropping in post?


C.
Nikon D7100, Nikkor 300 f4 IF ED :-)

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Skip
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Joined: Sun Sep 29, 2013 1:34 pm
Location: Norwich

Re: TC's

Post by Skip » Sat Dec 10, 2016 11:49 am

I use the canon x1.4 mk III regularly on my Canon 500mm f4 with no noticeable loss of sharpness and IQ and the x2 mk III is much the same
The last time I saw an F22 at Lakenheath i DIDN'T photoshop it...
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ChrisCwmbran
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Joined: Mon Jun 09, 2014 11:30 am

Re: TC's

Post by ChrisCwmbran » Sat Dec 10, 2016 2:19 pm

Skip wrote:I use the canon x1.4 mk III regularly on my Canon 500mm f4 with no noticeable loss of sharpness and IQ and the x2 mk III is much the same
Agreed. I have a 1.4x Mk III I use on my 100-400 Mk2 and a 2.0x Mk II that I use on my 70-200mm and they both perform pretty well.

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Cornish-guy
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Re: TC's

Post by Cornish-guy » Sat Dec 10, 2016 5:39 pm

I have been looking at the Kenko 1.4 pro dgx ones - they are supposed to be good?

C.
Nikon D7100, Nikkor 300 f4 IF ED :-)

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Skip
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Location: Norwich

Re: TC's

Post by Skip » Mon Dec 12, 2016 10:25 am

I purchased a Kenko TC years ago and to be honest they should stick to making coffee ;) the difference was night and day in my opinion :)
The last time I saw an F22 at Lakenheath i DIDN'T photoshop it...
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nhoenich
Posts: 19
Joined: Mon Oct 05, 2009 6:28 am

Re: TC's

Post by nhoenich » Mon Dec 12, 2016 11:26 am

Echoing earlier posts, my experience with TC's has been mixed. A 1.4 will shift exposure by 1.4 stops and in poor light there will be some hunting, less so in good sunlight,
Remember that adding a TC means adding more glass to your lens.
Your post doesn't indicate what lens you are using, but if you are using a lens in which the maximum f stop is 4.5 or 5.6 I would resist from using one.
Cordially
Nh

jeallen01
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Joined: Sun May 11, 2014 3:31 pm

Re: TC's

Post by jeallen01 » Tue Dec 13, 2016 12:03 pm

FWIW, the lens manufacturers' "matched" TCs are generally a lot better than the3rd party ones because the manufacturers know much more about the characteristics of the lenses to which they should, and should not, be matched - OTOH, you still have the light loss issues.

Zymurgy661
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Joined: Fri Sep 17, 2010 10:15 am

Re: TC's

Post by Zymurgy661 » Mon Jan 02, 2017 4:25 pm

ChrisCwmbran wrote:
Skip wrote:I use the canon x1.4 mk III regularly on my Canon 500mm f4 with no noticeable loss of sharpness and IQ and the x2 mk III is much the same
Agreed. I have a 1.4x Mk III I use on my 100-400 Mk2 and a 2.0x Mk II that I use on my 70-200mm and they both perform pretty well.
Like yourself, i have used a 1.4x Mk III with my 100-400 Mk2 but have found it sluggish and shockingly soft. However, it works perfectly with my 300 2.8 and still gives wonderfully sharp images.

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