SecOptx : HVCS851D
Description
The SecOptx HVCS851D is a 8.5-51mm vari-focal lens.
Features
→ 8.5-51mm vari-focal lens→ CS-Mount (Available in C-Mount)
→ 1/2" Format
→ Compatible with 1/3" and 1/4" cameras
→ Vari-zoom allows for focus tracking throughout zoom range
Specifications
| Focal Length | 8.5~51mm |
| Max. Relative Aperture | 1: 1.6 |
| Iris | F1.6~Approx. F360 with ND Spot Filter |
| Zoom Ratio | 6X |
| Angular Field of View | 1/2": 41.3° x 31.5° @ 8.5mm, 7.2° x 5.4° @ 51mm 1/3": 31.5° x 23.9° @ 8.5mm, 5.4° x 4.0° @ 51mm 1/4": 23.9° x 18.0° @ 8.5mm, 23.9° x 18.0° @ 51mm |
| Minimum Object Distance(M.O.D.) | 0.8m (From Front Vertex) |
| Optical Back Focal Distance | 15.89mm (In Air) |
| Flange Back | 12.5mm |
| Operation Zoom | Manual |
| Focus | Manual |
| Iris | IG (Auto-Close System) |
| Close to Open | Less than 3V |
| Open to Close | More than 0.5V, Speed within 4sec. |
| Operation Temperature | -10 - 50°C ( 14 - 122°F) |
| Filter Size | 37.5mm P0.5 |
| Mount | CS-Mount (Adjustable Lens Position) |
| Size, Approx. | 48 x 59 x72.6mm / 1.9 x 2.3 x 2.9in. |
| Weight | 130g, 4.6oz. |
| Notes | C-Mount version = HVC851D |