Product type: Achromatic Lenses. Application: Optical.
Overview
The Bk7 Glass Optical Microscope Achromatic Lens is supplied as an optical lens made from Optical Glass. Listed geometry: achromatic lenses shape. Optical / electrical data: transmittance >95%. Typical applications: 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 Selecting Fused Silica and Quartz Glass for Precision Components. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. 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).
