Pentax HD 1.4x TC


edin_togger

Link Posted 15/02/2017 - 23:03
I picked up one of the newest 1.4x Pentax Tele-Converters to use with my Tamron 70-200 (works brilliantly) but I wondered what other lenses are compatible with it?
I have few that would likely be of much use with it (perhaps just my 100mm macro) but I don't see a firm list and the slight extra reach might be handy from time to time on some of my other lenses if it works!

JAK

Link Posted 15/02/2017 - 23:28
There's a list here:
https://www.dpreview.com/articles/6091717631/ricoh-announces-hd-pentax-da-af-1-4...
Probably out of date though.
John K
Last Edited by JAK on 15/02/2017 - 23:29

dcweather

Link Posted 28/02/2017 - 21:09
Mine works great with the DA*300 and the 100mm macro with virtually no IQ loss.

Mike-P

Link Posted 28/02/2017 - 23:24
It has problems with Sigma HSM lenses.
No equipment list here but thanks for taking an interest. My Flickr

RobL

Link Posted 28/02/2017 - 23:30
Has anyone tried the 1.4x teleconverter with DFA lenses on a K1? Googling compatibility with FF brings up lots of speculation but I cannot find anything definite. Logically it would only be used at the long end of telephoto zoom lenses like the 70-200mm and 150-450mm, as well as the 300mm lens so that is where the performance matters. The results would need to be better than cropping an image to be worth buying one, I say that because I have an old Vivitar 2x teleconverter which requires manual focus but a cropped image without it and using autofocus is marginally sharper.
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