The Tele Vue telephoto zoom is a small lightweight optical system that offers a set of magnification replacing 4 Tele Vue Radian eyepieces, while maintaining a 50-degree field of view throughout the entire focal range. This eyepiece allows you to easily adjust the magnification to the currently- siting . Outlet meter offset by 10 mm is not usually sufficient for fully comfortable observations in prescription spectacles, but it is much larger than in similar spectacles in this focal length range.
| • Focal length: || 3-6 mm (zoom) |
| • Own field of view: || 50 ° |
| • The distance of the output pupil: || 10 mm |
| • Diameter of binding: || 1.25 " |
| • Construction: || 5 elements in 3 groups |
| • Weight: || 150 g |