HD DA TC x1,4: no Sigma HSM; not making FF compatible

Started 7 months ago | Discussions thread
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beholder3
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HD DA TC x1,4: no Sigma HSM; not making FF compatible
7 months ago

Just to confirm two items:

  • The new TC does not work with 3rd party Sigma HSM driven lenses
    tested on 70-200/2.8 OS and only focussed to infinity nothing else; 85/1.4 not working at all. Even FNumbers are not converted for these lenses (while oldies like FA 24-90 do show converted FNumbers)
  • While in theory a TC would convert the FoV to make APSC lenses FF-compatible in practise they dont, due to the fact that the lens system in the TC has such a small diameter and you get hard black vignetting all around. Tested with some lenses on 5D3.

Other than that the TC isĀ  a little jewel with DA* 300, DA* 60-250 and DFA 100. And that is what it is intended for.

Nikon Df
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