Century Precision Optics rehoused Kinoptik Tegea 9.8mm (PL) is an rectilinear lens that has remarkably no distortion. It has internal 2×2 filter capabilities.

Century / Kinoptik 9.8mm T2.3 Rectilinear PL Prime

Focal Length: 9.8mm
Aperture: T2.3
Close Focus; 8 in
Front Diameter: Ø 99
Weight: 3.8 lbs