The 20x70 Echelon Binocular from Celestron is a large-objective set of glasses featuring a fully multicoated optical path and a weather-resistant housing. Celestron's XLT lens coating helps maximise light transmission and improve image contrast. Individual focus eyepieces allow the viewer to set the focus depending on their eyesight. A nitrogen-filled aluminium alloy housing provides fogproof and waterproof performance and non-slip rubber armouring help maintain a secure grip in wet conditions or while wearing gloves.
Key Features
Optical Performance
- Magnification: 20x
- Objective lenses: 70mm
- Porro prism optical pat
- BAK4 prism glass renders improved image brightness and clarity
- Fully multicoated optics, XLT lens coating enhances image contrast and sharpness
- Eye relief of 19.5mm allows comfortable viewing distance while wearing eyeglasses
- Apparent angle of view: 60° wide angle
Use and Handling
- Individual focus eyepieces
- Threaded mount for tripod adapter
- Fold-down rubber eyecups
Construction Details
- Lightweight and durable aluminium alloy housing
- Nitrogen-filled for fogproof and waterproof performance
- Rubber armoreing provides slip-resistant grip
- Waterproof hard carrying case with die-cut foam insert included
- Hand-assembled in the USA
Specifications
| Prism Type |
Porro |
| Magnification |
20.0x |
| Objective Lens Diameter |
70mm |
| Angle of View |
3.0° (actual) |
| Field-of-View |
157.5' @ 1000 yd / 52.29 m @ 1000 m |
| Minimum Focus Distance |
328.08' / 100 m |
| Exit Pupil Diameter |
3.5 mm |
| Eye Relief |
19.5 mm |
| Interpupillary Adjustment |
58 - 72 mm / 2.28 - 2.83" |
| Dioptric Correction |
±4 |
| Focus Type |
Individual |
| Tripod Mount |
Yes (Adapter Optional) |
| Dimensions |
10.2 x 8.7 x 3.3" / 25.91 x 22.10 x 8.38 cm |
| Weight |
Not Specified By Manufacturer |
