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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. 

Glass Molded Lenses (GMO)
Introduction List

Glass-molded lenses are manufactured using high-precision machines and preforms developed in-house. The lenses require no grinding or polishing.

Glass Molded Lenses(GMO)
Preforms (PF)
Introduction List

These are 2Types Preforms for Precision Molding (Precision Gob) and (Polishing Surface).

Preforms(PF)
Glass Polished Lenses
Introduction List

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 Polished Lenses
Glass Lenses Pressed Blanks
Introduction List

There are three types,direct pressed blanks(DP),Re-heat pressed blanks(RP),Rooled and sliced blanks(RS) for Polished glass Lens material.

Glass Lenses Pressed Blanks
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