Theia ML183M 1/2.3” format, Manual iris, C mount Lens

Quick Overview
1.8 – 3mm varifocal, ultra wide, no distortion, 5+ MPX, Day/Night
Theia's ML183M lenses provide ultra wide field of view without distortion. These are varifocal lenses allowing the user to optimize the field of view from wide angle to ultra wide.
ML183MDC-Autoiris
MountC Mount
Focal Length1.8-3.0mm 
Linear Optical Technology®Yes  (Note: this technology causes the image to be flipped) 
Distortion<1%
Image CircleØ7.4mm (at FL 1.3mm) 
ResolutionUp to 5MPix resolution  
F/#F/1.8 to close 
IR Correction435-850nm, <10um focal plane shift 
EasyZoom™Yes
Minimum Focus Distance30cm
Pan Focus.5m ~ ∞
Lens Length (TTL)60.8 – 62.8mm
Back Focal Length (BFL)7.8mm
Chief Ray Angle (CRA)< 15° 
Temperature Range-20C to 60C 
Weight58g
Iris Cable LengthN/A