Pentax Refconverter M  type_Lens Chimera Octa 2 unit w/

Chimera Octa 2 unit w/ poles

4k video capability

The Wein MRB400 is a 1

with only very minor cosmetic wear- one of the cleanest we've seen

Pentax Refconverter M &nbsptype_Lens Chimera Octa 2 unit w/The Pentax Refconverter M sounds like it does something really fancy, but it's a pretty standard 90 degree magnifying viewfinder. That's good, though! These are useful tools for macro or copystand work, with switchable 1x or 2x magnification. This Refconverter is designed to mount to Pentax M series cameras, which includes the ME MX (and many digital SLRs.) It won't fit the K1000. Spotmatic, or their derivatives. In excellent condition, with case and