Kowa LM8JCR 2/3-inch 8mm Fixed Focal Manual Lens

→ Focal length: f=8mm +- 5%
→ Max. diameter (ratio): F=1:1.4 +- 5%
→ Element: 6 ELEMENTS 7 GROUPS
→ Picture Size: 2/3" = 6.6x8.8mm; 1/2" = 4.8x6.4mm; 1/3" = 3.6x4.8mm
→ Vertical Angle: 2/3" = 47.7°; 1/2" = 34.6°; 1/3" = 28.6°
→ Horizontal Angle: 2/3" = 64.2°; 1/2" = 46.2°; 1/3" = 34.5°
→ Diameter Angle: 2/3" = 81.3°; 1/2" = 58.1°; 1/3" = 43.3
→ Distortion (TV): 2/3" = -6.2%; 1/2" = -2.5%°; 1/3" = -1.3°
→ Shooting range at M.O.D. Ver.: 2/3" = 184mm; 1/2" = 129.3mm; 1/3" = 95.5mm
→ Shooting range at M.O.D. Hor.: 2/3" = 260mm; 1/2" = 177.5mm; 1/3" = 129.3mm
→ Shooting range at M.O.D. Dia.: 2/3" = 356mm; 1/2" = 231.0mm; 1/3" = 161.1mm
→ Minimum object distance: 0.2m +0.13
→ Flange back: 17.526 -0 mm in air
→ Back focus: 11.30mm in air
→ Filter screw size: M30.5x0.5
→ Front/rear effective dia.: front 17.4mm rear 11.1mm
→ Mount: c-mount
→ Exit pupil: -27.0
→ Temperature range: -10~+45°C
→ Storage temperature range: -40~+60°C
→ Resolution center/corner: center 100LP/mm corner 40LP/mm
→ Stopper strength: 10kgf .
→ Endurance test: iris=5,000 times focus=5,000 times
→ Operating torque: iris=50~600gf . cm focus=100~1000gf . cm
→ Weight: 51g +- 5g