Marshall obiektyw 15-50mm Varifocal VS-M1550-A do kamer z sensorem o rozdzielczości 3MP 1/2.7" i mocowaniem CS-mount. Soczewka obiektywu o wysokiej precyzji, wykonana jest ze szkła o niskiej dyspersji i wysokim współczynniku załamania światła. Ma ogniskową 15-50mm oraz zakres przysłony f/1.5-T360 i posiada wbudowany filtr szary ND.
| Mount | CS-mount |
| Focal Length | 15-50mm |
| Aperture | f/1.5 |
| Iris Range | f/1.5-T360 (equivalent to F360) |
| Iris | DC auto iris, 4-pin plug |
| Focusing Range | Infinity to 1 m from front of lens |
| Field of View | Horizontal: 20-6° Vertical: 15-4° Diagonal: 24-7° |
| Object Dimensions at M.O.D. | Vertical: 372 x 114 mm Vertical: 279 x 86 mm |
| Clear Aperture | Front: 30.5 mm Rear: 8.2 mm |
| Back Focal Distance | In Air: 0.3-0.31" (7.68-7.89 mm) |
| Flange Focal Length | In Air: 0.5" (12.5 mm) |
| Exit Pupil Position | -38 to -37 mm from image plane |
| Coil Resistance | Drive Coil: 190 Ohms +/- 10% Damping Coil: 500 Ohms +/- 10% |
| Current Consumption | 23 mA (maximum) at 4 VDC |
| Operating Temperature | 14 to 122°F (-10 to 50°C) |
| Storage Temperature | -4 to 140°F (-20 to 60°C) |
| Relative Humidity | 35 to 90% |
| Dimensions | 1.6 x 2.7" (40.5 x 68.7 mm) |
| Weight | 2.8 oz (80 g) approximately |
