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Sep. 1998
In 1998-09 Nikon Corporation introduces portable high-performance "5×15 Monocular HG" with 5× magnification, metal body, multilayer coated lenses, and superior light transmission for extraordinarily bright, clear images.
Nikon 5×15 Monocular HG 's qualities make the monocular suitable for various uses --- outdoors, at theaters, concerts and museums, and for business, to see projected images at convention halls, for example.
Major features
Specifications
| 5×15 Monocular HG | |
| Magnification | 5× |
| Effective objective diameter | 15 mm |
| Angular field of view (Real) | 9.0 degrees |
| Angular field of view (Apparent) | 45.0 degrees |
| Field of view at 1,000 m | 157 m |
| Exit pupil | 3.0 mm |
| Brightness | 9.0 |
| Eye relief | 15.8 mm |
| Close focusing distance | 0.6 m |
| Weight (approx.) | 75 g |
| Length (Depth) | 71 mm |
| Diameter | Ø30 mm |