| Diamita (mm) | 12.7 |
| Mai da hankali nesa (mm) | -38.1 -25.4 -19 |
| kayan | K9 |
| Size haƙuri | +0.0 / -0.2mm |
| Center kauri tolerance | ± 0.2mm |
| Hanyar mayar da hankali | ±2% |
| surface inganci | 60/40 |
| Tsakiya | <3 maki |
| Diameter na haske | >90% |
| juyawa kusurwa | Kariya |
Bayani na samfurin
H-K9L (N-BK7) shine mafi yawan amfani da gilashin gani don shirya kayan gani masu inganci, yana da kyakkyawan ƙimar watsawa daga kusan infrared (350-2000nm) mai gani, lokacin da ba a buƙatar ƙarin amfanin quartz mai narkewa na ultraviolet ba (yana da kyakkyawan ƙimar watsawa da ƙananan ƙimar faɗaɗa zafi a cikin ultraviolet band), H-K9L ana zaɓar shi gabaɗaya. Lokacin da aka yanke shawara ko za a yi amfani da ruwan tabarau mai laushi ko ruwan tabarau mai laushi biyu don rarraba haske, idan daidaitaccen rabo (raba nisan abu zuwa nesa) ya kusanci 1, an fi son zaɓar ruwan tabarau mai laushi biyu. Lokacin da cikakken girma ya kasance ƙasa da 0.2 ko fiye da 5, an fi son zaɓar ruwan tabarau mai laushi.
Kayayyakin Features
Tsawon raƙuman ruwa na ruwan tabarau shine 546.1 nm (e line na Green Mercury Spectrum Line), saboda nisan mayar da hankali yana canzawa tare da tsawon raƙuman ruwa, lokacin da aka yi amfani da shi tare da sauran tsawon raƙuman ruwa, nisan mayar da hankali yana canzawa. Its low farashi idan aka kwatanta da quartz abubuwa.
Aikace-aikace
Ana amfani da ruwan tabarau biyu a cikin tsarin sau da yawa don fadada haske ko haɓaka tsawon nesa, kuma ana iya amfani da shi don fadada laser, masu karatu na haske, masu lura da tsarin nunawa.

Specifications jerin sigogi
| samfurin | kayan | f(mm) | D(mm) | Tc(mm) | Ta(mm) | fb(mm) |
| OEM-DCV0112-01 | K9 | -19 | 12.7 | 2 | 4.2 | -19.7 |
| OEM-DCV0112-02 | K9 | -25.4 | 12.7 | 2 | 3.6 | -26 |
| OEM-DCV0112-03 | K9 | -38.1 | 12.7 | 2 | 3 | -38.8 |
