Leica Zoom Eyepieces & Extender 1.8x Technical Data
Leica Zoom Eyepieces
| Designation | Leica vario eyepiece 25x-50x WW ASPH. | Leica vario eyepiece 20x-60x |
|---|---|---|
| Device type | Spotting scope | Spotting scope |
| Order no. | 41021 (black) | 41023 (black) |
| For use | with all Leica APO-Televid and Televid HD spotting scopes | with all Leica APO-Televid and Televid HD spotting scopes |
| Scope of delivery | Bayonet cap and eyepiece cap | Bayonet cap and eyepiece cap |
| Magnification | 25x-50x | 20x-60x |
| Lens focal length | - | - |
| Exit pupil | ||
| Televid 65 | 2.6 mm (25x) to 1.3 mm (50x) | 3.25 mm (20x) to 1.1 mm (60x) |
| Televid 82 | 3.3 mm (25x) to 1.6 mm (50x) | 4.0 mm (20x) to 1.4 mm (60x) |
| Close distance | ||
| Televid 65 | 2.9 m | 2.9 m |
| Televid 82 | 3.9 m | 3.9 m |
| Field of view at 1,000 yds / m | 126 ft (25x) to 84 ft (50x) 42 m (25x) to 28 m (50x) |
105 ft (20x) to 60 ft (650x) 35 m (20x) to 20 m (60x) |
| Subjective angle of view | 57° (25x) to 74° (50x) | 37° (25x) to 65° (50x) |
| Eyepiece for eyeglass wearers | yes | yes |
| Eyecup with twist-and-pull action | yes | yes |
| Watertightness | to a depth of 16.5 ft / 5 m | to a depth of 13.1 ft / 4 m |
| External diameter | 2.3 in / 59.5 mm | 2.2 in / 57 mm |
| Overall length | 4.1 in, 3.4 in (without bayonet) 105 mm, 87 mm (without bayonet) |
3.5 in, 3.0 in (without bayonet) 90 mm, 75 mm (without bayonet) |
| Weight | 15.3 oz / 435 g | 13.1 oz / 370 g |
Leica Extender 1.8x & Digiscoping Lens 35mm
| Designation | Leica Extender 1.8x | Leica Digiscoping lens 35 mm |
|---|---|---|
| Device type | Spotting scope | Spotting scope |
| Order no. | 41022 (black) | 42308 (black) |
| For use | with Leica APO-Televid and Televid HD (angled) spotting scopes with Leica zoom eyepieces | with Leica APO-Televid and Televid HD (angled) spotting scopes with Leica zoom eyepieces and Leica Extender 1.8x |
| Scope of delivery | Bayonet cap and eyepiece cap | Cordura lens case |
| Magnification | 45x-90x | corresponding to eyepiece combination |
| Lens focal length | - | 34.5 (35 mm format) |
| Exit pupil | ||
| Televid 65 | 1.5 mm (45x) to 0.73 mm (90x) | - |
| Televid 82 | 1.8 mm (45x) to 0.91 mm (90x) | - |
| Close distance | ||
| Televid 65 | 3.5 m | depends on spotting scope |
| Televid 82 | 3.8 m | depends on spotting scope |
| Field of view at 1,000 yds / m | 64.8 yds (45x) to 42 ft (90x) 21.6 m (45x) to 14 m (90x) |
- |
| Subjective angle of view | 53° (45x) to 65° (90x) | - |
| Eyepiece for eyeglass wearers | yes | - |
| Eyecup with twist-and-pull action | yes | - |
| Image size (mm x mm) | - | 23.6 x 15.7 |
| Image diagonal (mm) | - | 28.4 (APS-C, Leica T) |
| Largest scale | - | 1:2.4 1:1.3 (with Ext.) |
| Smallest diagonal of object | - | 72.2 mm 38.0 mm (with Ext.) |
| Smallest field of object | - | 60.1 x 40.0 mm 31.6 x 21.1 mm (with Ext.) |
| Watertightness | to a depth of 16.5 ft / 5 m | to a depth of 16.5 ft / 5 m |
| External diameter | 2.3 in / 59.05 mm | 2.7 in / 68 mm |
| Overall length | 1.61 in, 0.91 in (without bayonet) 41 mm, 23 mm (without bayonet) |
2.6 in / 65 mm (without T2 adapter) |
| Weight | 3.2 oz / 92 g | 8.8 oz / 250 g |
