15-45X50 20-60X60 25-75X70 spotting scopes
Detailed Product Description
Magnification: | 25X-75X | 20X-60X | 15X-45X |
Objective diameter(mm) | 70 | 60 | 50 |
Front lens diameter | 92 | 82 | 73 |
Prism (BAK4 / BK7) | BAK4 | BAK4 | BAK4 |
Prism Type (Roof / Porro) | porro | porro | porro |
Eyepiece diameter(mm) | 15 | 15 | 15 |
Exit pupil diameter(mm) | 2.8-1.0 | 3.0-1.0 | 3.3-1.1 |
Relative Brightness Index (RBI) | 7.8-1.0 | 9-1.0 | 10-1.2 |
Field of view(ft /1000 yds) | 1.9-0.91 | 2.1-1 | 2.4-1.14 |
Eye relief(mm) | 16-14 | 16-14 | 16-14 |
Close distance(M) | 5 | 5 | 5 |
Waterproof (Y/N) | Yes | Yes | Yes |
Fogproof(Y/N) | No | No | No |
Yes | Yes | Yes | |
Twilight number | 41-72 | 36-60 | 27-47 |
Diopter adjustment: | -4D~+4D | -4D~+4D | -4D~+4D |
Net weight(g) | 1100 | 950 | 800 |
Dimensions of product | 360X92X145 | 310X83X145 | 290X73x145 |
magnifier lens night vision