Asahi Pentax 67 Extension Tube Set lens mount_LTM A simple one-knob release loosens

A simple one-knob release loosens the ball and swivel mechanisms at the same time for quick adjustment

Original Leitz instructional manual for the Leicaflex SL

with under 400 actuations (that's pretty darn low)

The Lomography Diana+ 38mm Superwide lens is a simple plastic lens originally made for the Diana+ medium format camera- and now you can use it on your Canon EF-mount camera

Asahi Pentax 67 Extension Tube Set lens mount_LTM A simple one-knob release loosensThis Asahi Pentax 67 Extension Tube Set includes three tubes (14, 28, and 56mm) with autodiaphragm functionality. Works with almost any Pentax 67 lens to provide substantial close focusing capability. In excellent condition.