Asahi Pentax 67 Extension Tube Set (two piece) brand_Sony and priced it accordingly: it's

and priced it accordingly: it's a solidly built camera that takes some pretty impressive lenses

both standards have geared focus adjustments

The same serial number as on the focusing track is engraved on the outside of the front cell

all filters have excellent glass

with minor dust and smooth focusing action

Asahi Pentax 67 Extension Tube Set (two piece) brand_Sony and priced it accordingly: it'sThis Asahi Pentax 67 Extension Tube Set includes two tubes (28mm and 56mm) with autodiaphragm functionality. Works with almost any Pentax 67 lens to provide substantial close focusing capability. In excellent working order, with minor cosmetic wear.