Expanded Specifications Celestron TrailSeeker Binocular
| 10x32 | 10x42 | 8x42 | |
| Magnification: | 10x | 10x | 8x |
| Objective Lens Diameter: | 32mm (1.26") | 42mm (1.65") | 42mm (1.65") |
| Angular Field of View: | 6.2° | 6.5° | 8.1° |
| Linear Field of View (@1000 yds) / @1000 m): | 325 ft (108 m) | 341 ft (113 m) | 426 ft (142 m) |
| Exit Pupil: | 3.2mm (.12") | 4.2mm (.16") | 5.25mm (.20") |
| Eye Relief: | 14.4mm (.56") | 15mm (.59") | 17mm (.67") |
| Close Focus: | 8.2 ft (2.5 m) | 6.5 ft (2 m) | 6.5 ft (2 m) |
| Interpupillary Distance (max): | 73mm (2.87") | 73mm (2.87") | 73mm (2.87") |
| Interpupillary Distance (min): | 56mm (2.2") | 55mm (2.16") | 55mm (2.16") |
| Diopter Adjustment Range: | ±3 | ±3 | ±3 |
| Twilight Factor: | 17.88 | 20.49 | 18.33 |
| Relative Brightness: | 10.24 | 17.64 | 27.56 |
| Limiting Stellar Magnitude: | Ideal: 10.03 Moderate: 9.03 Poor: 8.03 |
Ideal: 10.62 Moderate: 9.62 Poor: 8.62 |
Ideal: 10.62
Moderate: 9.62 Poor: 8.62 |
| Lens Coatings: | Fully Broadband Multi-Coated | Fully Multi-Coated |
Fully Broadband Multi-Coated
|
| Prism Glass (Type): | Bak-4 | Bak-4 | Bak-4 |
| Prism Coatings: | Phase and Dielectric Coated | Phase and Dielectric Coated |
Phase and Dielectric Coated
|
| Weight: | 16 oz (453 g) | 22.4 oz (635 g) | 23.1 oz (655 g) |
| Environmental Protection: | Waterproof | Waterproof | Waterproof |
| Nitrogen Filled: | Yes | Yes | Yes |
| Tripod Adaptable: | Yes | Yes | Yes |
| Carrying Case: | Deluxe Soft Case w/ Pocket | Deluxe Soft Case w/ Pocket |
Deluxe Soft Case w/ Pocket
|
| Dimensions: | 123mm x 122mm x 48mm (4.8" x 4.8" x 1.9") | 141mm x 130mm x 51mm (5.5" x 5.1" x 2") |
141mm x 130mm x 51mm (5.5" x 5.1" x 2")
|
| Included Items: | Objective lens caps Rainguard Neck strap Harness strap Carrying case Lens cloth Instruction manual |
Objective lens caps Rainguard Neck strap Harness strap Carrying case Lens cloth Instruction manual |
Objective lens caps
Rainguard Neck strap Harness strap Carrying case Lens cloth Instruction manual |
