Cylindrical iav muaj qhov zoo focal ntev thiab tuaj yeem tsom qhov teeb meem teeb meem.Lawv tsim nyog rau kev siv lub teeb tsom.Duab Optics muab cov iav tsis muaj coated thiab coated cylindrical.
Dia | 12.5 hli |
FL | 12.5 hli |
Txheej | Uncoated |
R | 25.0mm ib |
CT | 3.0mm ib |
ET | 3.79mm ib |
FL kam rau ua | ± 2% |
Txoj kab uas hla Tolerance | 0.0/-0.1 hli |
Thickness kam rau ua | ± 0.2 hli |
Khoom siv | H-K9L optical iav |
Irregularity (PV) | 1 nm633 |
Centering Tolerance | 3 arcmin |
Nto Zoo | 40/20-60/40 ib |
Rov qab nto | Sib tsoo los yog Polish |
Bevel | Kev tiv thaiv Bevel 0.2mmX45 ° |