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High quality waterproof, nitrogen-filled observation binoculars, with individual eyepiece focusing, designed for medium- to-long-range terrestrial and astronomical observations. Incorporating BAK-4 prisms and a fully broadband multi-coated optical system. The 10x60 and 15x70 models feature a Central Focusing (CF) and an integral tripod bush. The larger 20x80, 20x90 and 25x100 models feature Individual Eyepiece Focusing (IF)and a central stabilizing bar with sliding tripod adaptor, for optimum balancing on tripod. High-precision construction using CNC machined metal components. Finished in Black Rubber and supplied in carrying case.
"Good for deep-sky views".... "The field of view was also noticeably sharper than nearly all the binoculars on test"
(Quantum-4 15x70 model)
BBC Sky At Night Magazine
| Model |
QUANTUM-4 (CF) & (IF) SERIES OBSERVATION BINOCULARS |
| Specification |
10X60 |
15x70 |
20x80 (Triplet) |
20x90 |
25x100 |
| Magnification |
10x |
15x |
20x |
20x |
25x |
| Object Lens Diameter |
60mm |
70mm |
80mm |
90mm |
100mm |
| Field of view |
5.3 ° |
4.4 ° |
3.2° |
3.22° |
2.53° |
| Nearest Focus Distance |
8m |
15m |
25m |
30m |
30m |
| Weight |
1.37kg |
1.87kg |
3.17kg |
3.7kg |
4.6kg |
| Product Code |
30872 |
30873 |
30808 |
30809 |
30810 |
| Price |
£ 119.00 |
£ 149.00 |
£ 249.00 |
£ 269.00 |
£ 299.00 |
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