|
| Properti | Nilai |
|---|---|
| Bahan | K9, kaca optik, kuarsa UV, fluor |
| Panjang fokus (f) | ± 2% @ 587,6nm |
| Toleransi dimensi | -0,05 ~ 0,1mm |
| Toleransi ketebalan pusat | ± 0,03 ~ 0,1mm |
| Pusat (arcmin) | 30 "~ 3" |
| Kekuatan ((W) | 1 ~ 5 |
| Ketidakaturan | 0.2 ~ 0.5 |
| Kualitas permukaan | 60-40 40-20 |
| Aperture yang jelas | >90% |
| Lapisan | Lapisan AR |
| Diameter (mm) | Panjang fokus (mm) | Panjang fokus belakang (mm) | Ketebalan pusat (mm) | Ketebalan tepi (mm) | Radius kelengkungan (mm) |
|---|---|---|---|---|---|
| 6.0 | - Enam.0 | - Enam.1 | 1.5 | 2.5 | -Sembilan.7 |
| 9.0 | -Sembilan.0 | -Sembilan.5 | 2.0 | 3.4 | - 14.7 |
| 12.7 | - 15.0 | - 15.8 | 3.0 | 4.7 | -24.0 |
| 12.7 | - Lima puluh.0 | - 51 tahun.1 | 3.5 | 4.3 | - 52 tahun.1 |
| 25.4 | -25.0 | -25.8 | 3.0 | 7.2 | - Tiga.6 |
| 25.4 | - Lima puluh.0 | - 51 tahun.0 | 3.0 | 6.1 | - 52 tahun.0 |
| 25.4 | -75 tahun.0 | - 76 tahun.1 | 3.5 | 5.6 | - 77.9 |
| 50.0 | -100.0 | - 101.6 | 5.0 | 11.3 | - 104.55 |
| 50.0 | - 125.0 | - 126.6 | 5.0 | 9.95 | - 130.48 |
| 75.0 | - 150 dolar.0 | - 151.8 | 5.0 | 14.42 | - 156.57 |
