$50 OFF NIKON ACULON A211 7x50 BINOCULARS: During Checkout Use Code:
ACULON7X50
- All coated glass optical elements for clear, crisp images
- Erect image diagonal so that your views are correctly oriented
- Smooth functioning altazimuth mount with easy pointing to located objects
- Preassembled aluminum full size photographic tripod ensures a stable platform
- Quick and easy no-tool set up
- The telescope and tripod fit inside the custom backpack for easy traveling and storage
- "TheSkyX – First Light Edition" astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images
| Optical Design | Refractor |
|---|---|
| Aperture (mm) | 70 mm (2.76 in) |
| Focal Length | 400 mm (16 in) |
| Focal Ratio | 5.71 |
| Focal Length of Eyepiece 1 (mm) | 20 mm (0.79 in) |
| Magnification of Eyepiece 1 | 20 x |
| Focal Length of Eyepiece 2 (mm) | 10 mm (0.39 in) |
| Magnification of Eyepiece 2 | 40 x |
| Finderscope | 5x24 |
| Highest Useful Magnification | 165 x |
| Lowest Useful Magnification | 10 x |
| Limiting Stellar Magnitude | 11.7 |
| Resolution (Rayleigh) | 1.99 arc seconds |
| Resolution (Dawes) | 1.66 arc seconds |
| Light Gathering Power (Compared to human eye) | 100 x |
| Optical Coatings | Fully Coated |
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