1.74 MR-174 FSV High Index HMC ruwan tabarau na gani
Cikakken Bayani
| Wurin Asalin: | Jiangsu | Sunan Alama: | BORIS |
| Lambar Samfura: | Babban FihirisarLens | Kayan Lens: | MR-174 |
| Tasirin hangen nesa: | Hangen Guda Daya | Fim Mai Rufi: | HMC/SHMC |
| Launin ruwan tabarau: | Fari(cikin gida) | Launin Rufi: | Kore/Blue |
| Fihirisa: | 1.74 | Takamaiman Nauyi: | 1.47 |
| Takaddun shaida: | CE/ISO9001 | Abbe Value: | 32 |
| Diamita: | 75/70/65mm | Zane: | Asperical |
MR-174 shine tauraro na jerin dangin MR, tare da mafi girman ma'auni mai jujjuyawa a cikin jerin, yana mai da shi mafi ƙarancin bakin ciki da ruwan tabarau mai haske.
Kayan MR-174 yana da ma'anar refractive na 1.74, AbbeDarajana 32, da zafin jiki na murdiya na 78 ° C. Yayin da ake samun matsananciyar haske da siriri, yana kuma amfani da kayayyakin "Do Green" da aka samu daga kayan shuka.
MR-174 samfuri ne mai wakiltar babban samfuri mai mahimmanci a cikin kasuwar ruwan tabarau ta duniya. Don haka, masu amfani da manyan digiri, ko masu siye waɗanda ke bin aikin bakin ciki da haske na ruwan tabarau kuma suna da matukar damuwa game da kariyar muhalli, suna siyan MR. Lenses sanya daga -174 abu.
Gabatarwar samarwa
Kwatanta 1.74 da 1.67:
1.67 da 1.74 duka suna wakiltar ma'aunin ma'aunin ruwan tabarau, kuma takamaiman bambanci yana cikin fa'idodi huɗu masu zuwa.
1. Kauri
Mafi girman fihirisar refraction na abu, mafi ƙarfin ikon hana hasken abin da ya faru. Mafi girman ma'anar refractive, mafi girman kauri na ruwan tabarau, wato, kauri daga tsakiyar ruwan tabarau iri ɗaya ne, matakin guda ɗaya na kayan abu ɗaya, gefen ruwan tabarau tare da babban ma'anar refractive ya fi bakin ciki fiye da gefen ruwan tabarau tare da ƙananan alamar refractive.
Wato, idan aka kwatanta da digiri iri ɗaya, ruwan tabarau mai ma'anar refractive na 1.74 ya fi bakin ciki fiye da ruwan tabarau mai ƙididdigewa na 1.67.
2. Nauyi
Fihirisar mai ɗaukar nauyi, ruwan tabarau masu sirara, da ruwan tabarau masu sauƙi don ƙwarewar sawa mai daɗi.
Wato, idan aka kwatanta da digiri iri ɗaya, ruwan tabarau mai ma'anar refractive na 1.74 ya fi sauƙi fiye da ruwan tabarau mai alamar 1.67.
3. AbbaDaraja(watsawa coefficient)
Gabaɗaya magana, mafi girman ma'auni mai jujjuyawa na ruwan tabarau, mafi kyawun yanayin bakan gizo a gefen lokacin kallon abubuwa. Wannan shine lamarin tarwatsewar ruwan tabarau, wanda Abbe ke bayyana gaba ɗayaDaraja(watsawa coefficient). Mafi girman AbbeDaraja, mafi kyau. Mafi qarancin AbbeDarajana lenses ga ɗan adam ba zai iya zama ƙasa da 30 ba.
Koyaya, ƙimar Abbe na waɗannan ruwan tabarau mai jujjuyawa ba su da girma, kusan 33 kawai.
Gabaɗaya, mafi girman ma'anar refractive na kayan, ƙananan ƙimar Abbe. Koyaya, tare da haɓaka fasahar kayan lens, wannan ƙa'idar tana raguwa a hankali.
4. Farashin
Mafi girman ma'aunin nuni na ruwan tabarau, mafi tsadar farashin. Misali, ruwan tabarau 1.74 na iri ɗaya na iya zama fiye da haka5ya kasance 1.67 Yuro.
Tsarin Samfur
