| Gemini® Waterproof Series Specifications
|
|
| MODEL |
GEMINI 15X70 WP-IF/CF |
GEMINI 20X80 TWP-IF/CF |
GEMINI 20X90 WP-IF |
GEMINI 25X100 WP-IF/CF |
GEMINI 30X100 WP-IF |
| OBJECTIVE LENSES |
70mm f/4.0; 2 Elements, 1 Group |
80mm f/4.1; 3 Elements, 2 Groups |
90mm f/4.2; 2 Elements, 1 Group |
100mm f/4.5; 2 Elements, 2 Groups |
100mm f/4.5; 2 Elements, 2 Groups |
| EYEPIECES |
4 Elements, 3 Groups |
4 Elements, 3 Groups |
4 Elements, 3 Groups |
4 Elements, 3 Groups |
4 Elements, 3 Groups |
| MAGNIFICATION |
15x |
20x |
20x |
25x |
30x |
| EYE RELIEF |
16mm useable (18mm total) |
14mm useable (17mm total) |
15mm useable (18mm total) |
15mm useable (18mm total) |
12mm useable (15mm total) |
| EXIT PUPIL |
4.7mm |
4.0mm |
4.5mm |
4.0mm |
3.3mm |
| APPARENT FIELD OF VIEW |
65º |
60º |
60º |
60º |
60º |
| TRUE FIELD OF VIEW |
4.3º (226 ft./1000 yds.) |
3.0º (156 ft./1000 yds.) |
3.0º (156 ft./1000 yds.) |
2.4º (126 ft./1000 yds.) |
2.0º (110 ft./1000 yds.) |
| WEIGHT |
4 lbs., 2.5 oz. |
7 lbs., 8 oz. |
8 lbs., 7 oz. |
10 lbs., 0 oz. |
10 lbs., 0 oz. |
| LENGTH |
10.5-in. |
12.4-in. |
14.6-in. |
17.1-in. |
17.1-in. |
| CLOSE FOCUS |
15m |
25m |
18m |
35m |
35m |
| IPD RANGE |
60-74mm |
60.5-74mm |
60.5-74mm |
61-73mm |
61-73mm |
| COATINGS |
Fully Broadband Multi-Coated |
Fully Broadband Multi-Coated |
Fully Broadband Multi-Coated |
Fully Broadband Multi-Coated |
Fully Broadband Multi-Coated |
| LIGHT TRANSMISSION |
99.0%-99.7% per surface; >85% total |
99.0%-99.7% per surface; >85% total |
99.0%-99.7% per surface; >85% total |
99.0%-99.7% per surface; >85% total |
99.0%-99.7% per surface; >85% total |
| WARRANTY |
2-year limited warranty |
2-year limited warranty |
2-year limited warranty |
2-year limited warranty |
2-year limited warranty |
