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CreatorOptics custom Plano-concave Lens, BK7, Fused Silica, Sapphire

CreatorOptics custom Plano-concave Lens, BK7, Fused Silica, Sapphire
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CreatorOptics custom Plano-concave Lens, BK7, Fused Silica, Sapphire

Product catalog summary
Overview of Plano-Concave Lenses (PCV)
The Plano-Concave (PCV) Lens is characterized by its negative focal lengths, which cause it to diverge collimated incident light and form only virtual images. These lenses are primarily used to expand light beams or increase focal lengths in optical systems. Common applications include telescopes, collimators, optical transceivers, magnifiers, radiometers, and condensers.
Materials
PCV lenses are made from a variety of materials, including BK7 glass, Sapphire crystal, Quartz crystal, UV Fused Silica, Germanium monocrystal (Ge), Silicon monocrystal, ZnSe, Barium Fluoride (BaF2), Calcium Fluoride (CaF2), ZnS, Pyrex, BOROFLOAT, and float glass.
Specifications and Quality Grades
  • Dimensions: Precise grade ranges from 3 to 150mm in diameter, while standard grade ranges from 1 to 300mm, with customization available.
  • Tolerance: Diameter tolerance is +/-0.05mm for precise and +/-0.1mm for standard. Thickness tolerance follows the same pattern.
  • Centering: Less than 1 arc minute for precise and less than 3 arc minutes for standard.
  • Chamfer/Bevel: Both grades have a chamfer of 0.25x45°, fine ground.
  • Surface Accuracy: 1/0.5 @633nm for precise and 3/1 @633nm for standard.
  • Surface Quality: 40/20, 20/10 for precise and 60/40 for standard.
  • Clear Aperture: Greater than 85% for both grades.
  • Coating: Anti-reflective coatings are available, with customization options.
Shapes
PCV lenses are available in circular/round shapes, with options for special cutting into rectangular or square shapes, or steps.
Contact Information
Nanjing Creator Optics Co., Ltd. can be contacted via phone at +86 25 8342 7907, fax at +86 25 8342 6285, email at [email protected], or through their website at http://www.creatoroptics.com.
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Catalog excerpts

CreatorOptics custom Plano-concave Lens, BK7, Fused Silica, Sapphire-1

Nanjing Creator Optics Co., Ltd. Plano-concave Lenses (PCV) The Plano-Concave (PCV) Lens has negative focal lengths, diverges collimated incident light, and forms only virtual images which are seen through the lens. It's often used to expand light beams or increase focal lengths in existing systems. They are widely used in telescope, collimators, optical transceivers, magnifiers, radiometers and condensers. The main material of plano-concave lens are as follows: BK7 glass and all catalog optical glass, Sapphire crystal, Quartz crystal, UV Fused Silica, Germanium monocrystal (Ge), Silicon monocrystal, ZnSe, Barium Fluoride (BaF2), Calcium Fluoride (CaF2), ZnS, Pyrex, BOROFLOAT, float glass, etc. Characteristic & Quality Grade Selection Chart Specifications/Grade Diameter 3 to 150mm, customized available Diameter 1 to 300mm, customized available Thickness Tolerance Surface Quality Clear Aperture Chamfer/Bevel Surface Accuracy Anti-reflective coatings, customized available ● Circular / Round Plano Concave Lens ● Special Cutting, rectangular or square, step

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.