Asahi M42 reversing ring lens mount_Pentax 645 The Canon RS-60E3 is a

The Canon RS-60E3 is a wired remote release cable with a 60cm (2 foot) cable

but this model has a built-in secondary panel and should perform well in any sort of lighting that your film can realistically handle

and good low light capability with ISO settings up to 12800

You can also use it to power other low-draw electronics (like a laptop) or charge phones and tablets with its 5A USB port

with clean optics and excellent function

Asahi M42 reversing ring lens mount_Pentax 645 The Canon RS-60E3 is aThis is a genuine Asahi M42 mount reversing ring. Flip that lens around and get up close! Select the lens filter thread diameter in the drop down. Image is for illustrative purposes only. Actual item may differ.