Voigtlander S67 UV (67mm) lens mount_Mamiya TLR The QR system base attaches

The QR system base attaches via either 1/4" or 3/8" inner threads

Seems awkward at first

This is a nice ultrawide lens with a fast f4 constant aperture and an image stabilizer for steadier shooting- yeah

but there are a few light marks in the coating of the front element which will not affect imaging

this leveling system provides a nice amount of static friction

Voigtlander S67 UV (67mm) lens mount_Mamiya TLR The QR system base attachesThis Voigtlander is a standard UV filter for lenses with a 67mm thread. In excellent condition overall, with very light edge coating marks which will not affect imaging. Includes leather case.