Senko TVF3X1815IR-BCD-MD 1/3" 18.0-55mm Motorized Day & Night Board Level Varifocal Lens

→ Type: AI VARI
→ Focal Length: 18.0~50.0mm
→ Fno.: F1.5
→ Designed Image Format: 1/3"(4.8x3.6mm)
→ Operation Range: Iris = F1.5-F360; Focus = 1.0m ~ ∞ ; Zoom = 18.0 ~ 50.0mm
→ Control: Iris = DC Galvanometer; Focus = Motorized; Zoom = Motorized
→ Object Size at MOD: Wide = 198.0x266.2mm; Tele = 84.2x112.1mm
→ Field of View: 1/3" 18.4~7.0° (D), 14.6~5.6° (H), 10.9~4.2° (V); 1/4" 13.7~5.3° (D), 10.9~4.2° (H), 8.2~3.2° (V)
→ Iris Control: Galvanometer (Motor type); 190 Ω (Driving Coil/Supply Volt.); 465 Ω (Damping Coil/Current)
→ Focus Control: PM type stepping motor (Motor type); 2.8V ~ 3.6V (Operation voltage); 28.5 Ω /phase ± 7 % (Coil resistance); 1-2 phase Bipolar Constant voltage (Excite driving method); 1/131.574 (Reduction ratio); 0.342° (Step angle); 1M Ω or more (Insulation resistance)
→ Zoom Control: PM type stepping motor (Motor type); 2.8V ~ 3.6V (Operation voltage); 28.5 Ω /phase ± 7 % (Coil resistance); 1-2 phase Bipolar Constant voltage (Excite driving method); 1/131.574 (Reduction ratio); 0.342° (Step angle); 1M Ω or more (Insulation resistance)
→ Operating Temperature: -10~+50°C
→ Mount: Ø 19 Straight Mount
→ Back Focus: 12.92~7.59mm
→ Flange Back: 13.5mm
→ Exit Pupil: -39.24 ~ -1617.32mm
→ Aperture: Front = Ø 20.5mm; Rear = Ø 9.2mm
→ Dimensions: Ø 29x45.6mm
→ Weight: 35g