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

Started 6 months ago | Discussions thread
Barry Pearson
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Re: HD DA TC x1,4: no Sigma HSM; not making FF compatible
In reply to Stig Vidar Hovland, 6 months ago

Stig Vidar Hovland wrote:

beholder3 wrote:

I tested with DA 15 and Sigma 8-16 and both hard vignetting came from the unlucky combination of either fixed hood (Sigma) or not fully retracted hood (DA 15) combined with the fact that the adapter mounts the lens somewhat turned to the side so the petal shaped hoods come into sight.

I suppose you didn't read this from the specification?

Please refrain from equipping the following lenses since the rear converter lens might touch the joint part of those main lenses - HD PENTAX-DA 15mm F4 ED AL Limited / HD PENTAX-DA 21mm F3.2 AL Limited / smc PENTAX-DA 40mm F2.8 XS

That is a good point! With lenses on the "compatible" list, they are properly aligned, so perhaps we now know what happens when the lens hits the converter!

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