HOYA keeps supporting the optical technology that has advanced highly in the age through our high-quality optical glass which is widely used for the optical elements in telescope, binoculars, lens shutter camera, interchangeable lens, office automation apparatus, video camera, digital camera, and cellular phone camera.
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Glass Molded Lenses (GMO)
Glass-molded lenses are manufactured using high-precision machines and preforms developed in-house. The lenses require no grinding or polishing. ![]() |
Preforms (PF)
These are 2Types Preforms for Precision Molding (Precision Gob) and (Polishing Surface). ![]() |
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Glass Polished Lenses
Polishing glass lenses are manufactured using polishing process and used Pressed Blanks. We have processed Post-processing Centering, Coating, Painting(sumi), Cementing(Balsam), for your request. ![]() |
Glass Lenses Pressed Blanks
There are three types,direct pressed blanks(DP),Re-heat pressed blanks(RP),Rooled and sliced blanks(RS) for Polished glass Lens material. ![]() |








