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Mar. 1999
Nikon Corporation introduces its "SPRINT III" Series binoculars.
New "SPRINT III" Series is scheduled to be released in early May 1999.
The "SPRINT III" Series has two(2) tone color body, in "Green and Black", or "Silver and Black" (Black part is made of synthetic rubber to ensure a film grip).
It will be available in "Green" color (7×21CF, 8×21CF, 9×21CF, and 10×21CF models) or new "Silver" color (only 8×21CF, and 10×21CF models).
Major features
Compact and light weight.
Close focus distance of 3 m.
Multi-layer coated lenses for bright image.
Rubber coating for comfortable grip (green color model only)
Available two colors (green 7×, 8×, 9×, and 10× models / silver 8×, and 10× models)
Specifications
| 7×21CF (Green only) |
8×21CF | 9×21CF (Green only) |
10×21CF | |
| Magnification (×) | 7× | 8× | 9× | 10× |
| Objective diameter (mm) | 21 |
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| Angular field of view (Real / degree) |
6.7 | 6.3 | 5.6 | 5.0 |
| Angular field of view (Apparent / degree) |
46.9 | 50.4 |
50.0 | |
| Field of view at 1,000m (m) |
117 | 110 | 98 | 87 |
| Exit pupil (mm) | 3.0 | 2.6 | 2.3 | 2.1 |
| Relative brightness | 9.0 | 6.8 | 5.3 | 4.4 |
| Eye relief (mm) | 12.5 | 11.3 | 9.7 | 8.6 |
| Close focusing distance (m) |
3 |
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| Length (mm) | 95 | 93 | 89 | 87 |
| Width (mm) | 117 |
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| Weight (g) | 240 | 235 | 230 |
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| Type | Porro |
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