Konica Infrared 750nm (EXPIRED 02/93) lens mount_Pentax 645 RAFcamera's listing with more information

RAFcamera's listing with more information is here

Meter coupling is available for any AI-compatible or autofocus camera

so you're free to use it on a film camera if you want

and it's in great shape

locking and releasing ball and swivel in one twist

Konica Infrared 750nm (EXPIRED 02/93) lens mount_Pentax 645 RAFcamera's listing with more informationKonica Infrared 750nm was an infrared film sensitized to (as you might have guessed) 750nm. Please note that this is 30 year old film, and while it is sealed in its original box, its infrared imaging characteristics will almost certainly have changed from new. 35mm format, 24 exposures per roll. EXPIRED 02 1993