Product type: Convex Lens. Application: Optical. Model: Optical Lenses.
Overview
The Bk7/Baf2/Mgf2/Quartz Sapphire Glass Lens Infrared/Collimator Lens Spherical/Aspheric/Meniscus/Achromatic/Dome Lens Endoscope Rod Lens Optical Lenses is supplied as an optical lens made from Optical Glass. Listed geometry: double convex 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 | Convex Lens |
| Shape | Double Convex |
| Transmittance | >95% |
| Usage | Optical |
| Model NO. | Optical Lenses |
| Lenses Color | Clear |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Diameter Tolerance | +0.0/-0.1mm |
|---|---|
| Center Thickness Tolerance | ±0.1 mm.. |
| Focal Length Tolerance | ±1%.. |
| Surface Quality | 60/40, 40/20 or better.. |
| Material | BK7, UVFused silica, Ge,CaF2, ZnSe |
| Clear Aperture | >90% |
| Centering | <3 arc min |
| Coating | Custom |
| Bevel | Protective bevel as needed |
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 Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Infrared Windows.
