1.56 Semi Finished Progressive photo grey Optical Lens
Zambiri Zopanga
Malo Ochokera: | Jiangsu | Dzina la Brand: | BORIS |
Nambala Yachitsanzo: | Photochromic Lens | Zida zamagalasi: | Mtengo wa SR-55 |
Masomphenya: | lens patsogolo | Filimu Yophimba: | HC/HMC/SHMC |
Mtundu wa Magalasi: | White (m'nyumba) | Mtundu Wopaka: | Green/Blue |
Mlozera: | 1.56 | Specific Gravity: | 1.28 |
Chitsimikizo: | CE/ISO9001 | Mtengo wa Abbe: | 35 |
Diameter: | 70/75 mm | Kupanga: | Aperical |
Magalasi opitilira ma multifocal
Ndi ma lens angapo, ma lens amapindika kuchokera pamwamba mpaka pansi asanaonjezeke mosalekeza, mphamvu ya refractive yochokera kuchigawo ili kumtunda kwa mandala ndikutali, pang'onopang'ono, ikuwonjezeka mosalekeza, mpaka pafupifupi pansi pa disolo ndi dera. anafika nambala pafupifupi ndi diopta, magalasi akhoza kuona, mtunda akhoza kuona pafupi kachiwiri, mukhoza kuona chinthu mtunda. Magalasi opita patsogolo amafotokozedwa ngati "magalasi omwe amawonekera," ndipo magalasi amatha kugwiritsidwa ntchito ngati magalasi owonjezera. Mwachitsanzo, ndi oyenera ophunzira kuwerenga ndi kulemba ophunzira ntchito mandala (kukomana kuyang'ana pa bolodi, kuwerenga mabuku, homuweki ndi zofuna zina zooneka), oyenera woyera-kolala khamu la kutopa kukana kwa mandala (kuti agwirizane ndi kutali, pakati ndi pafupi zithunzi lophimba, zosavuta ntchito), kuzolowera anthu azaka zapakati ndi achikulire d mulingo woyenera kwambiri magalasi patsogolo (ufulu mwambo yopindika pamwamba, chabwino, sing'anga, pafupi lophimba, osati chizungulire ubongo kuwonjezera).
Mau oyamba a Zopanga
Mndandanda waukulu wa refractive wa mandala umaphatikizapo: 1.56, 1.60, 1.67, 1.71, 1.74 ndi zina zotero. Kukwera kwa refractive index ya lens, lens imachepa komanso yopepuka. Komabe, kuchuluka kwa refractive index ya mandala ndikwabwinoko. Kawirikawiri, chiwerengero cha refractive cha lens chikakhala chokwera, chiwerengero cha Abbe chimakhala chotsika kwambiri ndipo kubalalitsidwa kumakhala koonekeratu.