Premium K9 Double Convex Lenses for Optical Clarity and Precision

Product type: Flat Lens. Application: Optical. Model: RAY-LH053#.

Overview

Premium K9 Double Convex Lenses for Optical Clarity and Precision: an optical lens in Optical Glass (Borofloat 33 or Equivalent substrate). Optical / electrical data: wavelength 488-694 Nm/700-950nm, transmittance >95%. Coating: Dielectric Coating; surface quality 40-20 Scratch-Dig or Custom Manufacturing; flatness Lambda/10 at 632.8nm with Power Removed. It is used in Optical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

Specifications

Technical data

What to specify when you request a quote

• Material — listed as “Optical Glass”; name the glass or crystal.
• Geometry — give diameter, focal length or radii, angles and tolerances.
• Surface figure — listed as “40-20 Scratch-Dig or Custom Manufacturing”; quote surface figure (λ) and scratch-dig.
• Centring and edges — state centration and edge chamfer.
• Coating — listed as “Dielectric Coating”; list the band and reflectance or transmission target.

Engineering guides for this part

For material grades and coating options, see BF33 Glass for Microfluidic Chips: Properties, Coatings & Selection Guide. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is 4-inch Borofloat 33 Glass Wafers.

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