Lens specifications
Optics
| Image sensor | 1/2.7" Effective image area > 6.8mm |
| Focal distance | 3.4±5% ~ 10±5%mm |
| Aperture | f/1.7~f/3.0 |
| Focus range |
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Field of view (D=6.6mm) |
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Relative contrast |
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Distortion |
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Mechanics
| Mechanical back focus | -0.35 (in glass t=0.4 BK7) |
| Lens zoom structure | The stepper motor is directly connected to the screw |
| Lens focusing structure | The stepper motor is directly connected to the screw |
| Lens size |
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Motor specifications
| Screw pitch | 0.4mm |
| Spiral rotation direction | Right |
| Rated voltage | 4.5-5.0 VDC |
| Coil resistance | 55Ω ± 10% |
| Phase count | 2 |
| Step angle | 18° / step |
| Max start frequency | 800 PPS/min @ at 5.0 VDC |
| Max operating frequency | 1200 PPS/min @ 5.0 VDC |
| Pull torque | 2.8 gf-cm min (at 480 PPS @ 5.0 VDC) |
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Push torque |
3.8 gf-cm min (at 480 PPS @ 5.0 VDC) |
| Operating temperature range | -10°C ~ +70°C |
Position alignment sensor PI
| Model number | RPI-222 / ROHM |
IR switch
| Coil resistance | 25 ± 5Ω |
| Operation voltage |
4.5V |
| Current consumption |
144~200mA |
| Switching time |
200-500ms |
| Filters |
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Zoom-Focus curve diagram
