《目镜视场数与视场角换算公式及汇总:tan(0.5*FOV)=FN/(2*EFL)》
《目镜视场角与线视场换算公式FN=2*EFL*tan(0.5*FOV)》
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 53 | 50 | 0.53 | 55.85 |
| 7.5 | 35.3 | 33.33 | 0.53 | 55.85 |
| 10 | 26.5 | 25.00 | 0.53 | 55.85 |
| 12.5 | 21.2 | 20.00 | 0.53 | 55.85 |
| 15 | 17.7 | 16.67 | 0.53 | 55.85 |
| 16 | 16.6 | 15.63 | 0.53 | 55.85 |
| 20 | 13.3 | 12.50 | 0.53 | 55.85 |
| 25 | 10.6 | 10.00 | 0.53 | 55.85 |
| 30 | 8.83 | 8.33 | 0.53 | 55.85 |
| 35 | 7.57 | 7.14 | 0.53 | 55.85 |
| 40 | 6.63 | 6.25 | 0.53 | 55.85 |
| 50 | 5.3 | 5.00 | 0.53 | 55.85 |
| 60 | 4.42 | 4.17 | 0.53 | 55.85 |
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 50 | 50 | 0.5 | 53.13 |
| 7.5 | 33.3 | 33.33 | 0.5 | 53.13 |
| 10 | 25 | 25.00 | 0.5 | 53.13 |
| 12.5 | 20 | 20.00 | 0.5 | 53.13 |
| 15 | 16.7 | 16.67 | 0.5 | 53.13 |
| 16 | 15.6 | 15.63 | 0.5 | 53.13 |
| 20 | 12.5 | 12.50 | 0.5 | 53.13 |
| 25 | 10 | 10.00 | 0.5 | 53.13 |
| 30 | 8.33 | 8.33 | 0.5 | 53.13 |
| 35 | 7.14 | 7.14 | 0.5 | 53.13 |
| 40 | 6.25 | 6.25 | 0.5 | 53.13 |
| 50 | 5 | 5.00 | 0.5 | 53.13 |
| 60 | 4.17 | 4.17 | 0.5 | 53.13 |
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 48 | 50 | 0.48 | 51.28 |
| 7.5 | 32 | 33.33 | 0.48 | 51.28 |
| 10 | 24 | 25.00 | 0.48 | 51.28 |
| 12.5 | 19.2 | 20.00 | 0.48 | 51.28 |
| 15 | 16 | 16.67 | 0.48 | 51.28 |
| 16 | 15 | 15.63 | 0.48 | 51.28 |
| 20 | 12 | 12.50 | 0.48 | 51.28 |
| 25 | 9.6 | 10.00 | 0.48 | 51.28 |
| 30 | 8 | 8.33 | 0.48 | 51.28 |
| 35 | 6.86 | 7.14 | 0.48 | 51.28 |
| 40 | 6 | 6.25 | 0.48 | 51.28 |
| 50 | 4.8 | 5.00 | 0.48 | 51.28 |
| 60 | 4 | 4.17 | 0.48 | 51.28 |
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 46 | 50 | 0.46 | 49.40 |
| 7.5 | 30.7 | 33.33 | 0.46 | 49.40 |
| 10 | 23 | 25.00 | 0.46 | 49.40 |
| 12.5 | 18.4 | 20.00 | 0.46 | 49.40 |
| 15 | 15.3 | 16.67 | 0.46 | 49.40 |
| 16 | 14.4 | 15.63 | 0.46 | 49.40 |
| 20 | 11.5 | 12.50 | 0.46 | 49.40 |
| 25 | 9.2 | 10.00 | 0.46 | 49.40 |
| 30 | 7.67 | 8.33 | 0.46 | 49.40 |
| 35 | 6.57 | 7.14 | 0.46 | 49.40 |
| 40 | 5.75 | 6.25 | 0.46 | 49.40 |
| 50 | 4.6 | 5.00 | 0.46 | 49.40 |
| 60 | 3.83 | 4.17 | 0.46 | 49.40 |
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 44 | 50 | 0.44 | 47.50 |
| 7.5 | 29.3 | 33.33 | 0.44 | 47.50 |
| 10 | 22 | 25.00 | 0.44 | 47.50 |
| 12.5 | 17.6 | 20.00 | 0.44 | 47.50 |
| 15 | 14.7 | 16.67 | 0.44 | 47.50 |
| 16 | 13.8 | 15.63 | 0.44 | 47.50 |
| 20 | 11 | 12.50 | 0.44 | 47.50 |
| 25 | 8.8 | 10.00 | 0.44 | 47.50 |
| 30 | 7.33 | 8.33 | 0.44 | 47.50 |
| 35 | 6.29 | 7.14 | 0.44 | 47.50 |
| 40 | 5.5 | 6.25 | 0.44 | 47.50 |
| 50 | 4.4 | 5.00 | 0.44 | 47.50 |
| 60 | 3.67 | 4.17 | 0.44 | 47.50 |
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 42 | 50 | 0.42 | 45.56 |
| 7.5 | 28 | 33.33 | 0.42 | 45.56 |
| 10 | 21 | 25.00 | 0.42 | 45.56 |
| 12.5 | 16.8 | 20.00 | 0.42 | 45.56 |
| 15 | 14 | 16.67 | 0.42 | 45.56 |
| 16 | 13.1 | 15.63 | 0.42 | 45.56 |
| 20 | 10.5 | 12.50 | 0.42 | 45.56 |
| 25 | 8.4 | 10.00 | 0.42 | 45.56 |
| 30 | 7 | 8.33 | 0.42 | 45.56 |
| 35 | 6 | 7.14 | 0.42 | 45.56 |
| 40 | 5.25 | 6.25 | 0.42 | 45.56 |
| 50 | 4.2 | 5.00 | 0.42 | 45.56 |
| 60 | 3.5 | 4.17 | 0.42 | 45.56 |
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 40 | 50 | 0.4 | 43.60 |
| 7.5 | 26.7 | 33.33 | 0.4 | 43.60 |
| 10 | 20 | 25.00 | 0.4 | 43.60 |
| 12.5 | 16 | 20.00 | 0.4 | 43.60 |
| 15 | 13.3 | 16.67 | 0.4 | 43.60 |
| 16 | 12.5 | 15.63 | 0.4 | 43.60 |
| 20 | 10 | 12.50 | 0.4 | 43.60 |
| 25 | 8 | 10.00 | 0.4 | 43.60 |
| 30 | 6.67 | 8.33 | 0.4 | 43.60 |
| 35 | 5.71 | 7.14 | 0.4 | 43.60 |
| 40 | 5 | 6.25 | 0.4 | 43.60 |
| 50 | 4 | 5.00 | 0.4 | 43.60 |
| 60 | 3.33 | 4.17 | 0.4 | 43.60 |
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 36 | 50 | 0.36 | 39.60 |
| 7.5 | 24 | 33.33 | 0.36 | 39.60 |
| 10 | 18 | 25.00 | 0.36 | 39.60 |
| 12.5 | 14.4 | 20.00 | 0.36 | 39.60 |
| 15 | 12 | 16.67 | 0.36 | 39.60 |
| 16 | 11.3 | 15.63 | 0.36 | 39.60 |
| 20 | 9 | 12.50 | 0.36 | 39.60 |
| 25 | 7.2 | 10.00 | 0.36 | 39.60 |
| 30 | 6 | 8.33 | 0.36 | 39.60 |
| 35 | 5.14 | 7.14 | 0.36 | 39.60 |
| 40 | 4.5 | 6.25 | 0.36 | 39.60 |
| 50 | 3.6 | 5.00 | 0.36 | 39.60 |
| 60 | 3 | 4.17 | 0.36 | 39.60 |
| Γ | FN | F=250/ Γ | tan(0.5*FOV)=FN/(2F) | FOV(全视场角°) |
| 5 | 32 | 50 | 0.32 | 35.49 |
| 7.5 | 21.3 | 33.33 | 0.32 | 35.49 |
| 10 | 16 | 25.00 | 0.32 | 35.49 |
| 12.5 | 12.8 | 20.00 | 0.32 | 35.49 |
| 15 | 10.7 | 16.67 | 0.32 | 35.49 |
| 16 | 10 | 15.63 | 0.32 | 35.49 |
| 20 | 8 | 12.50 | 0.32 | 35.49 |
| 25 | 6.4 | 10.00 | 0.32 | 35.49 |
| 30 | 5.33 | 8.33 | 0.32 | 35.49 |
| 35 | 4.57 | 7.14 | 0.32 | 35.49 |
| 40 | 4 | 6.25 | 0.32 | 35.49 |
| 50 | 3.2 | 5.00 | 0.32 | 35.49 |
| 60 | 2.67 | 4.17 | 0.32 | 35.49 |