Originally Posted by beachboy2
Roy, its a Vivitar MC Tele Converter 2X-22 in Pentax K mount. Was cheap but in mint condition.
i shot a few with a tamron 2x mc4 kr. it's about as good a 2x i've seen. pix were very good with viv200/3.5..
not posting as they were tests. i'll wait for the k20 to arrive and i'll do a test of the viv vs. the M200/4.
well, that depends on if i survive the encounter..