The Swarovski BTX Eyepiece Module revolutionizes long-duration observation by combining the visual power of both eyes, offering a comfortable and immersive viewing experience. Its dual eyepiece design allows users to observe with both eyes open, reducing eye strain and enhancing image perception. The integrated forehead rest and 45° angled view ensure comfort during extended use, making it ideal for activities such as birdwatching, wildlife observation, and nature photography. Compatible with all objective lenses in the Swarovski Optik ATX/STX range, the BTX module delivers vivid, true-to-life images with exceptional clarity and detail.
| Magnification | 30x with 65mm/85mm objective modules; 35x with 95mm module |
| Apparent Field of View | 63° |
| Field of View at 1000 Yards | 114 ft (65mm objective), 111 ft (85mm objective), 96 ft (95mm objective) |
| Exit Pupil | 2.2 mm (65mm objective), 2.9 mm (85mm objective), 2.7 mm (95mm objective) |
| Eye Relief | 21 mm |
| Functional Temperature Range | -13°F to +131°F (-25°C to +55°C) |
| Storage Temperature Range | -22°F to +158°F (-30°C to +70°C) |
| Submersion Tightness | Waterproof up to 13 ft (4 m) depth |
