Product type: Endoscope Lenses. Application: Optical.
Overview
High Quality Endoscope Glass Rod Lens 2.7mm for Repair is an optical lens made from Optical Glass. Listed geometry: endoscope 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 | Endoscope Lenses |
| Shape | Endoscope Lenses |
| Transmittance | >95% |
| Usage | Optical |
| Lenses Color | Clear |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Material | N-BK7, UVFS, H-K50, |
|---|---|
| H-F4, H-BAK7, H-LAF10L, | |
| N-SK15, H-ZK21, H-F1, H-ZF4 | |
| Diameter | Ø0.6mm or customization |
| Type | Flat/Flat |
| Plano-Convex | |
| Plano-Concave | |
| Cemented | |
| Flatness | N<3, ΔN<0.5 for spherical surface |
| N λ/4~λ/8 for flat surface | |
| Centering | <5' |
| Surface Quality | 20/10~60/40 |
| Clear aperture | 90% |
| Coating | Uncoated, or customized |
| Material | Length | Dia1 | Dia2 | Dia3 | Dia4 | Dia5 | Dia6 | Dia7 | Dia8 |
| N-BK7, UVFS, H-K50, H-F4, H-BAK7, H-LAF10L, N-SK15, H-ZK21, H-F1, H-ZF4 | 11.4 | 2.1 | 2.0 | 1.9 | 1.8 | 1.7 | |||
| 14.7 | 2.1 | 2.0 | 1.9 | 1.8 | 1.7 | ||||
| 15 | 2.1 | 2.0 | 1.9 | 1.8 | 1.7 | ||||
| 17.6 | 2.2 | 2.1 | 2.0 | 1.9 | 1.8 | ||||
| 19.4 | 2.2 | 2.1 | 2.0 | 1.9 | 1.8 | ||||
| 20.2 | 2.2 | 2.1 | 2.0 | 1.9 | 1.8 | ||||
| 22.9 | 2.8 | 2.7 | 2.77 | 2.2 | 2.1 | 2.0 | 1.9 | 1.8 | |
| 23 | 2.8 | 2.7 | 2.77 | 2.2 | 2.1 | 2.0 | 1.9 | 1.8 | |
| 24 | 2.8 | 2.7 | 2.77 | 2.2 | 2.1 | 2.0 | 1.9 | 1.8 | |
| 29 | 3.5 | 3.2 | 2.77 | 3.0 | 2.8 | 2.7 | |||
| 29.5 | 3.5 | 3.2 | 3.0 | 2.8 | 2.7 | ||||
| 29.8 | 3.5 | 3.2 | 3.0 | 2.8 | 2.7 | ||||
| 46 | 6.6 | 6.5 | 6.0 | 5.5 |
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 and Quartz Glass: Selecting Materials 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 Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
