This is a Pentax 6X7 #1 Auto Extension Tube.  Adding this tube to your lens will allow you to focus closer with greater magnification.   Use one or mount another together...

This is a Pentax 67 to 645 Adapter This Pentax adapter is in great condition and shows normal signs of use. It has been tested and is in good working...

This is a set of Pentax extension tubes (1-3) and Helicoid extension tube. This set of Pentax extension tubes are in excellent condition and show little signs of use. Everything...

This is a Pentax 6x7 T6-2X Rear Tele Converter.  This converter will double the size of the focal length you put it on.  Make your 105 a 210, etc..  ...

This Pentax 645 Film Holder Empty Case is in great condition and comes in the original box. WE SHIP IN 1 BUSINESS DAY and we package professionally and will combine...

This is a Pentax Macro Focus Rail This Pentax rail system is in great condition and shows normal signs of use. It has been tested and is in good working...

This is a Pentax Rear Converter-A 645 2x This Pentax 2x converter is in excellent condition and shows normal signs of use. It has been tested and is in good working...