Century, Optex, Elite, Optar

Focal Length Aperture Close Focus Front Diameter Weight (lbs)
3.5mm Century T2.8 1' 123mm / 80mm 1.2
6mm S2000 T1.9 1' 87mm 2.2
4mm Optex T2..0 2' 150mm 1.7
4.5mm Elite T2.2 6" 70mm 1.2
5.5mm Optex T2.0 8" 95mm 1.8
7mm Elite T1.3 8" 104mm 2.4
8mm Optar T1.3 10" 80mm 1.4
20mm Elite T1.3 10" 80mm 2
35mm Elite T1.3 10" 80mm 2.2