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Archive 2014 · Benefits or negatives of AF TCs on old MF Tele's?

  
 
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p.1 #1 · p.1 #1 · Benefits or negatives of AF TCs on old MF Tele's?


Is there any notable Benefits or negatives of using the new school AFS TC's on the older AI, AI-S telephoto's? (Outside of lenses that need contacts for metering) have the designs remained similar outside of the AF technology being implaced? Would there be any reason to buy TC-14B's if you already have the new II or III. Thanks. Ed


Oct 26, 2014 at 09:44 PM
cadman342001
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p.1 #2 · p.1 #2 · Benefits or negatives of AF TCs on old MF Tele's?


IIRC you have to mod the later TC's to allow you to use them with the older MF lenses by grinding off a tab. Not sure I'd want to be doing that to the latest tc's.

The newer ones may have better coatings perhaps ?

I have an old TC200 for use with my mf lenses and it meters fine on my d800, just like old mf lenses.

Ask the question in the MF thread for a more definitive answer.

HTH

Andy




Oct 26, 2014 at 11:42 PM
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p.1 #3 · p.1 #3 · Benefits or negatives of AF TCs on old MF Tele's?


Nvm

Edited on Oct 27, 2014 at 11:32 AM · View previous versions



Oct 27, 2014 at 10:10 AM
mawz
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p.1 #4 · p.1 #4 · Benefits or negatives of AF TCs on old MF Tele's?


It's worth noting that the III series TC's are not compatible with MF Tele's, they don't have an AI follower or the AE minimum aperture switch so they do not work with anything other than G or E tele's (Well, Leitax'd lenses should work too)


Oct 27, 2014 at 10:19 AM
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p.1 #5 · p.1 #5 · Benefits or negatives of AF TCs on old MF Tele's?




mawz wrote:
It's worth noting that the III series TC's are not compatible with MF Tele's, they don't have an AI follower or the AE minimum aperture switch so they do not work with anything other than G or E tele's (Well, Leitax'd lenses should work too)


Thanks



Oct 27, 2014 at 10:24 AM
MitchSC
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p.1 #6 · p.1 #6 · Benefits or negatives of AF TCs on old MF Tele's?


I have a TC 1.4 E that at some point a previous owner filed off the tab. The only manual lens I've tried it on is the AIS 200 f4 and the internal barrel makes contact with the protruding element of the TC limiting focus. I don't know if that would be the case with the lens you plan on using. The Kenko 1.4 works well.




Oct 27, 2014 at 03:01 PM





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