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I am looking for a 2X TC to use with my 43 ltd and fa 50/1.4 for an inexpensive macro solution.
I have found two for sale:
1. Pentax-Takumar 2x TC PK-A/R-PK mount
2. Vivitar 2x TC PK-A/R-PK mount.
My questions are, will these work on my K100D and 1st D without an adapter, and is one better than the other?
Thank you.
Bob