General | |
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Magnification: | 18 - 55x |
Objective Lens Diameter: | 65mm (2.56") |
Eyepieces: | 7mm - 21mm (.27" - .82") |
Angular Field of View: | 1.7° - .73° |
Linear Field of View (@1000 yds) / @1000 m): | 89 ft (27 m) @ 18x| 38 ft (11.58 m) @ 55x |
Focal Length: | 382mm (15") |
Exit Pupil: | 3.6mm - 1.1mm (.14" - .04") |
Eye Relief: | 18mm (.71") |
Close Focus: | 20 ft (6.1 m) |
Twilight Factor: | 59.5 – 34.3 |
Relative Brightness: | 12.6 – 1.2 |
Limiting Stellar Magnitude: | Ideal: 11.56 Moderate: 10.56 Poor: 9.56 |
Lens Coatings: | Fully Multi-Coated |
Prism Glass (Type): | BaK-4 |
Prism Coatings: | FMC |
Weight: | 37 oz (1049 g) |
Environmental Protection: | Waterproof |
Nitrogen Filled: | Yes |
Tripod Adaptable: | Yes |
Carrying Case: | Padded green woven nylon view-through |
Camera Adaptable: | Yes |
Dimensions: | 390mm x 90mm x 130mm (15.3" x 3.5" x 5.1") |
Included Items: | Zoom eye piece Carrying case Eyepiece lens cap Eyepiece Port cover T-adapter Eyepiece carrying case Eyepiece pouch Lens cloth Instrument manual |
Solar Warning |
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