Product type: Achromatic Lenses. Application: Optical.
Overview
The Optical Bk7 Fused Silica Dia 12.7mm Achromatic Lenses is supplied as an optical lens made from Optical Glass. Listed geometry: achromatic lenses shape. Optical / electrical data: transmittance >95%. 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
| Material | Optical Glass |
|---|---|
| Type | Achromatic Lenses |
| Shape | Achromatic Lenses |
| Transmittance | >95% |
| Usage | Optical |
| Lenses Color | Clear |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Diameter Tolerance | 1-600±0.02MM |
|---|---|
| Clear Aperture | >90% |
| Thickenss Tolerance | 0.5-50±0.02MM |
| Surface Flatness | 1/10LAMBDA |
| SufaceQuality | 20-10 |
| Material | N-BK7,FUSED SILICA,SAPPHIRE, CAF2,MGF2,ZNSE |
| Beveling | 45°X0.2MM |
| Coating | Coating Reflective Coating Dichroic Film |
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 — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Production: A Step-by-Step Manufacturing 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 Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
