Brida de montaje en C: 17.526 mm
Brida de montaje en C: 12.526 mm
Canon FD Flangeback: 42.0mm
Konica Flangeback: 40.5mm
Nikon F Flangeback: 46.5mm
Olympus Flangeback: 46,0 mm
Pentax «K» Flangeback: 45.5mm
Pentax tornillo Flangeback: 45.5mm
Ricoh Flangeback: 45.5mm
Sigma Flangeback: 44.0mm