The Tamron M118FM12 is an 12 mm, 1/1.8" format lens with a M25.5 x 0.5 filter size, -1.2% distortion, 120 resolution. The Tamron M118FM12 and the Tamron 1/1.8" M118 Lens family features C-mount for up to 9 mm image circle, 120 lp/mm, compact size, and close working distances.
Manufacturer: Tamron Manufacturer PN: M118FM12 Focal Length: 12mm Quality: 2MP Sensor Size: 1/1.8" Lens Mount: C F Stop: 1.4 M.O.D. (m): .1 Dimensions (LxW mm): 29x38.6 Weight (grams): 57 Iris type: smooth Filter size: M25.5x0.5 Distortion: -1.20% Resolution: 120