SHARP 75mm 3 F3.8 EFL WIDE-ANGLE LARGE FORMAT SHORT THROW PROJECTION LENS. FITTING SCREW near D60mm, BARREL near D64mm, FRONT BARREL D124mm. 200mm LONG, W 1990gr. FLANGE DISTANCE – INFINITY DISTANCE of REAR BARREL about 200mm(QUITE LONG). IT WILL COVER 4X5″+, AND 5X7″++ EASILY. GLASS CLEAN, CLEAR, NO SCRATCHES, NO PROBLEMS. The rear element has an edge little chipped, what not affect use. LENS MAY BE CAPABLE PROJECT CINE 70mm, ADAPTER REQUIRED. Made in the USA by BUHL Optical co.