OM-2 OM-4 OM-6 OM-8 OM-10 OM-12 OM-14 OM-16 OM-18 OM-20 OM-21 | .5" x 2" (13 x 51mm) .625" x 1.625" (16 x 42mm) .625" x 2.5" (16 x 64mm) .625" x 3.5" (16 x 89mm) .875" x 2.25" (23 x 57mm) .875" x 3" (23 x 76mm) .875" x 4" (23 x 102mm) 1.25" x 2" (32 x 51mm) 1.25" x 3.125" (32 x 80mm) 1.25" x 4" (38 x 102mm) 1.437 x 1.437 (37 x 37mm) | OM-24 OM-26 OM-28 OM-30 OM-32 OM-34 OM-35 OM-45 OM-OV OM-50 OM-75 | 1.625" x 3" (42 x 76mm) 1.625" x 4" (42 x 102mm) 2" x 2" (51 x 51mm) 2" x 4" (51 x 102mm) 2.5" x 3.25" (64 x 83mm) 3" x 4" (76 x 102mm) 1.25" (dia. Ø 32mm) 1.625" (dia. Ø 42mm) 1.25" x 1.875" (oval 32 x 48mm) 50" dia. (Ø 13mm) 75" dia. (Ø 20mm) |