... 4. Optical equipment, made in China About RS8125-I Ophthalmic LensSpecifications: 1. Image Mag:0.75X2. ... Aperture:23mm5. Size:φ26×13mm90D LRThe related products:Wenzhou Redstar Optical Co., Ltd is one of ... international quality certificate systems. Meanwhile, most of our products are following the national standard: GB10810-1996, registered ... after sale service and maintenance! RS8125-I Ophthalmic Lens