Product type: Convex Lens. Application: Lighting, Medical, Optical, Photography. Model: TT Stock Lens 7.
Overview
China Manufactory Supply Standard Stock on-Sale Optical Bi-Convex Lens: an optical lens made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: wavelength 587.6nm, transmittance >95%. Coating: HMC; surface quality 40-20. Typical applications: Lighting, Medical, Optical and Photography. 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 | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 40-20 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Stock Lens 7 |
| Lenses Color | Clear |
| Bevel | Protective Bevel as Needed |
| Focal Length Tolerance | +/-1% |
| Focal Length Specification Wavelength | 587.6nm |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Name | Stock Double convex lenses |
|---|---|
| Shape | Double convex lenses |
| Material | H-K9L/N-BK7 |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “+/-1%”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “Protective Bevel as Needed”; state centration and edge chamfer.
- Coating — listed as “HMC”; 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).
