So I got my Helios 44M a couple of years a go at Pasar Baru for Rp 200.000,- (around USD18)....
M42
Using an M42 or screw mount lens on my Pentax K100D is a fairly same issue as using an SMC-Pentax...
Here are some pics of Vivitar 135mm F2.8 that recently fall into my custody :D My first M42 lens. Some...
