The 12-50mm CS-Mount 4K Telephoto P-Iris Varifocal Lens from Theia Technologies is designed for image sensors from 1/1.7" up to 1/2.5". The compact design allows you to use this lens for cameras as small as 4" mini-dome size. This lens features motorized zoom, focus, and iris control. It comes equipped with a limit switch that allows you to perform various functions such as zooming and focus limiting.
| Focal Length | 12-50mm |
| Image Circle | Up to 9.4 mm |
| Resolution | 12.4 MP |
| F-Number (f) | f/1.8 @ 12mm f/2.4 @ 50mm to close |
| IR Corrected | Yes |
| Focus Range | 6.7' (2 m) to infinite |
| Lens Length | Up to 2.5" (64 mm) TTL |
| Back Focal Length | BFL 0.3" (8.2 mm) in air |
| Angle | CRA: <7° |
| Field of View | @ 1/1.7" Horizontal: 36 to 8.6° Vertical: 26 to 6.5° Diagonal: 46 to 11° @ 1/1.8" Horizontal: 36 to 8.6° Vertical: 23 to 5.8° Diagonal: 44 to 10° @ 1/1.8" 4K Horizontal: 35 to 8.5° Vertical: 17 to 4.3° Diagonal: 40 to 9.5° @ 1/1.2" Horizontal: 30 to 7.4° Vertical: 23 to 5.6° Diagonal: 39 to 9.2° @ 1/2.3" Horizontal: 30 to 7.2° Vertical: 22 to 5.5° Diagonal: 38 to 9° @ 1/2.5" Horizontal: 27 to 6.7° Vertical: 20 to 5° Diagonal: 34 to 8.3° |
| Distortion | <10% at 12mm <2% at 50mm |
| Relative Illumination | Up to 40% |
| Transmission | Lens Transmission: Up to 80% |
| Operating Conditions | Temperature: -4 to 140°F (-20 to 60°C) Humidity: 70%, non-condensing |
| Storage Conditions | Temperature: -22 to 158°F (-30 to 70°C) Humidity: 90%, non-condensing |
| Dimensions | 2.4 x 2.0" (61.0 x 51.8 mm) maximum |
| Weight | Not specified by the manufacturer |
| Drive | Stepper motor 2 phase bipolar drive |
| Operation Voltage | Zoom/Focus Motor: 3.3 V; 2.6 to 4.8 V P-Iris Motor: 4 V ±1 |
| Operation Time | @ 3.3 V: 60 sec @ 68°F (20°C) 35 sec @ 104°F (40°C) 20 sec @ 140°F (60°C) @ 4 V: 12 sec @ 68°F (20°C) 9 sec @ 104°F (40°C) 6 sec @ 140°F (60°C) @ 4.8 V: 6 sec @ 68°F (20°C) 5 sec @ 104°F (40°C) 4 sec @ 140°F (60°C) |
| Coil Resistance | Zoom/Focus Motor: 28.5 Ohms ±7% P-Iris Motor: 30 Ohms |
| Gear Ratio | 1:1954 |
| Speed | Zoom Speed: 4 sec @ 1000 pps Focus Speed: 8.9 sec @ 600 pps |
| Rotation | Zoom Cam: 75° Focus Cam: 102° |
| Connectors | Zoom/Focus Motor: Housing: Molex 51021-0800 Terminal: Molex 50058-8000 P-Iris Motor: Connector 1: Housing: Molex 51021-0400 Terminal: Molex 50058-8000 Connector 2 (CCTV): Housing: EYC 221 |
| Cable | Zoom/Focus Motor: 5.9" (15 cm) P-Iris Motor: 11.8" (30 cm) |
| Model Number | Sharp GP1S396HCPSF |
| Type | Photo interrupter phototransistor |
| Operating Voltage | 3.3 V |
| Output Level | High: Up to 2.2 V Low: 0.6 V minimum |
| Connector Type | FPC cable |
| Package Weight | 0.2 lb |
| Box Dimensions (LxWxH) | 4 x 2.3 x 2.2" |
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