Description Additional Information Filter Thread: M 40x0.5 Focal Length (mm): 25 F# Range: 2.0-16 Image Diagnonal (mm): 23 Image Size at MOD (HxV): 125x93 Kowa: Weight (grams): 255 Min Operating Distance: 0.15 Mount: C Weight (g): 255 F# 2.0-16 Focal Length 25 mm Format 4/3"
