Skeleton text
Skeleton text
Skeleton text
Skeleton text
Skeleton text
Skeleton text
Skeleton text
Store locator
WANT TO KNOW MORE ABOUT THIS PRODUCT?
Let ChatGPT, Claude, or Perplexity help you. Click a button and ask away.
The BTX combines the visual power of both eyes with a revolutionary viewing experience. Crucial subtleties can be seen with the crystal clear optics, with every detail now fully on show. A forehead rest and angled view guarantee comfortable viewing for hours on end.
| BTX 65mm | BTX 85mm | BTX 95mm | BTX 115mm | |
| Magnification | 30x | 30x | 35x | 35x |
| Magnification Plus ME1.7x Extender | 50x | 50x | 60x | 60x |
| Effective Objective Lens | 65mm | 85mm | 96mm | 115mm |
| Exit Pupil diameter | 2.2mm | 2.9mm | 2.7mm | 31.mm |
| Ext pupl distance | 21mm | 21mm | 21mm | 21mm |
| Fisld of view | 38 m/1000 m 112 ft/1000 yds |
38 m/1000 m 112 ft/1000 yds |
32 m/1000 m 96 ft/1000 yds |
32 m/1000 m 96 ft/1000 yds |
| Field of view (degrees) | 2.1° | 2.1° | 1.8° | 1.8° |
| Field of view, eyeglass wearers (degrees) | 2.1° | 2.1° | 1.8° | 1.8° |
| Field of view, apparent (degrees) | 60° | 60° | 60° | 60° |
| Shortest focusing distance | 2.2 m 7.2 ft |
3.8 m 12.5 ft |
5.0 m 16.4 ft |
5.0 m 16.4 ft |
| Diopter adjustment left/right | ± 4 dpt | ± 4 dpt | ± 4 dpt | ± 4 dpt |
| Diopter correction at ∞ | > 5 dpt | > 5 dpt | > 5 dpt | > 5 dpt |
| Interpupillary distance | 56-72 mm 2.2-2.9 in |
56-72 mm 2.2-2.9 in |
56-72 mm 2.2-2.9 in |
56-72 mm 2.2-2.9 in |
| Objective filter thread | M 67x0.75 | M 87x0.75 | M 97x0.75 | M 118x0.75 |
| Approx. length* | 371 mm 14.6 in |
404 mm 15.9 in |
458 mm 18.0 in |
472 mm 18.6 in |
| Approx. weight | 2195 g 77.3 oz |
2520 g 88.8 oz |
2760 g 97.3 oz |
3520 g 124.2 oz |
| Functional temperature | -25/+55°C -13/+131°F |
|||
| Storage temperature | -30/+70°C -22/+158°F |
|||
| Submersion tightness | 4 m 13 ft |
|||
| Tripod thread | 1/4˝ UNC; 3/8˝ UNC | |||
Recently viewed products
- Choosing a selection results in a full page refresh.
- Opens in a new window.