Kowa LM4NCR 1/2" 3.5mm Fixed Focal Manual Lens

→ Focal length: f=3.5mm +- 5%
→ Max. diameter (ratio): F=1:1.4 +- 5%
→ Element: 6 ELEMENTS 7 GROUPS
→ Picture Size: 1/2" = 4.8x6.4mm; 1/3" = 3.6x4.8mm
→ Vertical Angle: 1/2" = 76.6°; 1/3" = 57.7°
→ Horizontal Angle: 1/2" = 103.6°; 1/3" = 77.0°
→ Diameter Angle: 1/2" = 132.1°; 1/3" = 97.5°
→ Distortion (TV): -28.0%
→ Shooting range at M.O.D. Ver.: 247mm
→ Shooting range at M.O.D. Hor.: 396mm
→ Shooting range at M.O.D. Dia.: 688mm
→ Minimum focus distance: 0.2m
→ Flange back: 17.526mm in air
→ Back focus: 8.89mm in air
→ Filter screw size: ---
→ Front/rear effective dia.: front 19.6mm rear 10.4mm
→ Mount: c-mount
→ Exit pupil: -71.4mm
→ 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: 56g +- 5g