(M55-0.75X ) 2/3" Lens Extender (2X) for TEC-55
| Model No. | TEC-M55 | Effective Lens Aperture | Front | Ø33.0mm | |||
| Focal Length | 55mm | Rear | Ø13.3mm | ||||
| Max. Aperture Ratio | 1:2.8 | Back Focal Length | 29.8mm | ||||
| Max. Image Format | 8.8mm x 6.6mm(Ø11mm) | Flange Back Length | 17.526mm | ||||
| Operation Range | Iris | F2.8 - F32C | Mount | C-Mount | |||
| Focus | 0.14m - Inf. | Filter Size | M43 P=0.75mm | ||||
| Control | Iris | Manual | Dimensions | Ø53mm x 92.9mm | |||
| Focus | Manual | Weight | 320g | ||||
| Object Dimension at M.O.D. | 17mm x 13mm | ||||||
| Angle of View | D | 2/3 type | 11.5° | 1/2 type | 8.3° | 1/3 type | 6.2° |
| H | 9.2° | 6.7° | 5.0° | ||||
| V | 6.9° | 5.0° | 3.7° | ||||
| Operating Temperature | —20°C - +50°C | ||||||