Pentax Refconverter M  type_Light Modifier It features a red-digit digital

It features a red-digit digital display and glow-in-the-dark buttons

There is a small amount of oil on the diaphragm blades that does not impact function

because it's not happening- but it sure looks nice

This is a round metal hood intended for Takumar 28mm f/3

clean diaphragm

Pentax Refconverter M &nbsptype_Light Modifier It features a red-digit digitalThe 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