Product Information

BK7 Plano Concave Lenses

Stockcode:

MATERIALN-BK7 GRADE A OPTICAL GLASS
DIAMETER TOLERANCE+ 0.0 / - 0.1mm
THICKNESS TOLERANCE± 0.2mm SURFACE QUALITY40/20
CENTRATION≤ 3 arc MINS FOCAL LENGTH± 1%

CUSTOM SIZES
DIMENSIONSDIAMETERS 1mm TO > 300mm
COATINGSANTI REFLECTION UV TO IR ON REQUEST

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About us

Galvoptics Ltd is an Essex based leading optical components company specialising in the manufacture and supply of germanium windows, sapphire windows, Schott filters and UV fused silica windows and Lenses.

Galvoptics offer a wide range of optical components with both custom and standard options to choose from. Our products are distributed throughout the UK and around the world.

Silicon, Quartz, Germanium and Zinc Selenide ZnSe are just a few of the materials we use to manufacture our optical components.

Galvoptics helpful sales team have the knowledge and experience to answer any technical enquiries or custom requirements you may have.

Anti-Reflection Coated Germanium Windows

Suppliers of AR anti-reflection coated germanium windows.
Stock is held at our facility in Basildon.
Coatings can be manufactured to your exact specifications.
We stock coated windows for the 7-14 & 8-14 um region.

Sapphire Windows

Our Sapphire windows offer strength and durability, ideal for demanding situations.
Sapphire is an extremely tough crystal allowing for windows to be thinner than the normal type.
Hardness and resistance prevents attack from acids and alkalis.

Schott Filters

Schott cold light sources are supplied with either an integrated filter holder, filter slide or filter wheel.
A wide range of lens and filter sets are available, either custom built or straight from our stock

Our services include optical assembly, engraving, precision polishing, grinding/machining, vacuum coating, sawing, shot blasting and much more.