focal reducer speed booster adapter Pentax PK K to Sony NEX

Started May 9, 2013 | Discussions thread
lenshoarder Contributing Member • Posts: 609
Re: re: the previous posts were all about Nikkor-F to E-mount SB

jpr2 wrote:

lenshoarder wrote:

This item has been posted before.

are you sure? all I can remenber about PK-mount to NEX speed boosters was the warning that the protrusions at the back of PK lenses can possibly damage the SB


Right here.  Same ebay ad and everything.

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