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CR39 Round Top / Flat Top / Blended Top (Invisible) Bifocal Lenses
CR-39 1.50 Invisible Bifocal Lenses
Finished lenses: a) Nd: 1.499 b) Power range: Sph: 0.00 ~ -2.00 / Add: +1.00 ~ +3.00 Sph: 0.00 ~ +3.00/ Add: ...
Product Category: Eyeglass Lenses
Product Group: Bifocal Lenses
CR-39 1.499 Flat Top Bifocal Lenses
Finished lenses: a) Nd: 1.499 b) Power range: Sph: 0.00 ~ -2.00 / Add: +1.00 ~ +3.00 Sph: 0.00 ~ +3.00/ Add: ...
Product Category: Eyeglass Lenses
Product Group: Bifocal Lens
CR-39 Round Top Bifocal Lenses
Finished lenses: a) Nd: 1.499 b) Power range: Sph: 0.00 ~ -2.00 / Add: +1.00 ~ +3.00 Sph: 0.00 ~ +3.00/ Add: ...
Product Category: Optical Instrument & Parts
Product Group: Bifocal Lens
1.523 Mineral Glass Bifocal Eyewear Lenses
1) Refractive index ND: 1.523 2) Density: 2.533 3) Abbe number: 60.5 4) Visible light transmission rate: 92% 5) ...
Product Category: Eyeglass Lenses
1.56 Photochromic Round Top / Flat Top / Blended Top Bifocal Lenses
1) Photo brown and photo grey 2) Size: 70/28mm 3) Finished Lenses: Power range: SPH: (-0.00~ -3.00) ADD ( ...
Product Category: Eyeglass Lenses
Product Group: Bifocal Lens
1.56 Round Top / Flat Top / Invisible Bifocal Lenses
Finished Lenses: 1) Power Range: Power: -0.00~-3.00 Add: +1.00~+3.00 Power: +0.00~+3.00 Add: +1.00~+3.00 ...
Product Category: Eyeglass Lenses
Product Group: Bifocal Lens
Flint Button for Bifocal Lens
Specifications: 1) Density: 3.85g/cm. 2) Abbe value: 36.70. 3) Soft PT: 518c. 4) Ann PI: 480c. 5) White round shape ...
Product Category: Eyewear Accessories
Mineral Glass Photochromic Bifocal Lens
Mineral glass photochromic gray and brown bifocal lenses, both flat-top and round-shape, semi-finished and finished. ...
Product Category: Eyeglass Lenses
Glass Bifocal Lenses
Specifications: 1) diameter: 60mm, 65mm. 2) power range: a) upper: + / -300 ; b) add: + 3. 00. 3) color: white, ...
Product Category: Eyeglass Lenses