26 suppliers

Lens Blanks

A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which lenses are eventually fabricated. Lens blanks are made from various materials such as glass, plastic, or specialized optical materials like polycarbonate or acrylic. Learn more about lens blanks →

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Ohara Corporation - Rancho Santa Margarita, CA

Precision optical glass: strip, blanks, pressings, polished balls, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (standard/excimer grade), Nanoceram. Ohara CCZ ultralow expansion (excellent CTE uniformity, blank form, to 1.8 m diam). Double-side polished substrates (low surface roughness, excellent flatness).

Glass Fab Inc. - Rochester, NY

Manufacturer of custom blanks. Products include fused quartz and silica, optical and filter glasses, and low/ultralow expansion glasses. Capabilities include annealing, slumping, sawing, grinding, edging, drilling, waterjet cutting, and CNC shaping and generating.

EcoGlass a.s. - Jablonec nad Nisou, Czech Republic

EcoGlass is a family-owned company developing and manufacturing glass optics for lighting applications. Our products are lenses in car headlamps, prisms in runway lighting, optics for street or LED lighting, secondary optical elements (SOE) in solar powerplants (CPV), or primary optics for LEDs. We also offer optical design and full technical support.

Henan UM Optics Ltd. (Umoptics) - Xinyang, China

Provides customized materials for low stress, high purity, and high uniformity infrared crystals to customers in over 60 countries and regions around the world.

Ohara Corporation, Eastern Office - Branchburg, NJ

Manufactures precision optical glasses: strip/slab, blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (std./excimer grade). Ohara CCZ ultralow expansion (excellent CTE; large size). Nanoceram. Double-side polished substrates (low surface roughness, excellent flatness).

Simphoton Optronics Co. Ltd. - Xi'an, China

Advanced Glass Industries - Rochester, NY

American Acrylics LLC - Skokie, IL

Amorphous Materials Inc. - Garland, TX

Cimcoop Holding Ltd. - Sofia, Bulgaria

Crysmit Photonics Co. Ltd. - Dongguan, China

Dynasil Fused Silica - West Berlin, NJ

E.R. Precision Optical Corp. - Apopka, FL

HEBO Spezialglas - Aalen, Germany

Heraeus Quarzglas GmbH & Co. KG, Heraeus Conamic - Hanau, Germany

Hoya Corp. USA, Optics Div. - Milpitas, CA

Hubei New Huaguang Information Materials Co. Ltd. (NHG) - Xiangyang, China

Kunming Yunzhe High-Tech Co. Ltd. - Kunming, China

MSD Optics Manufacturing Co. Ltd. - Qingdao, China

Naked Optics Corp. - Nokomis, FL

Novotech Inc. - Acton, MA

Quantum Optics - San Marcos, CA

SCHOTT North America Inc. - Duryea, PA

Tianjin Tengteng Optoelectronic Technology Co. Ltd. - Tianjin, China

Umicore Optical Materials USA Inc. - Quapaw, OK

VITRON Spezialwerkstoffe GmbH - Jena, Germany

Glossary

blank A piece of glass, quartz or other transparent material formed roughly by molding or cutting into the approximate shape and size of the finished part.
optical blank A casting consisting of an optical material molded into the desired geometry for grinding, polishing or, in the case of optical waveguides, drawing to the final optical-mechanical specifications.
lens A lens is a transparent optical device that focuses or diverges light, allowing it to pass through and form an image. Lenses are commonly used in optical systems, such as cameras, telescopes, microscopes, eyeglasses, and other vision-correcting...
lens blank A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which lenses are eventually fabricated. Lens blanks are made from various materials such as glass, plastic, or specialized optical...

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