Canon Powershot G16 rear 4 was designed to fit

4 was designed to fit the Asahiflex camera and its 37mm thread mount

Please note that this is not a 4x5 camera: it is a 2x3 camera

Do you want the baddest car window mount ever made

it runs on just regular ol' AA batteries

but no guarantees (it's not quite right for a Pentax Spotmatic/K1000 finder)

Canon Powershot G16 rear 4 was designed to fitThe Canon Powershot G16 is a digital camera with a fixed 28 140mm lens and a 12MP 1 1. 7" type sensor. Full 1080p 60p video recording is available in MP4 format, and the High Speed AF mode offers improved autofocus speeds while maintaining 12. 2 9. 3 FPS continuous shooting. In excellent condition. Includes battery, charger, strap, and "getting started" instructions.