Product type: Spherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 56.
Overview
The Bk7 Optics Uncoated Custom Optical Component Pcv Plano Concave Lens is supplied as an optical lens made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality as Required. Listed for Lighting, Medical, Optical and Photography applications. 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 | Spherical Lenses |
| Shape | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | as Required |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 56 |
| Lenses Color | Clear |
| Bevel | Protective Bevel as Needed |
| Polished | Yes |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Bk7 Optics Uncoated Custom Optical Component PCV Plano Concave Lens |
|---|---|
| Shape | Plano Concave |
| Description | Plano-Concave Lenses, which have one concave surface, are Optical Lenses with negative focal lengths. |
| Material | JGS1 |
| Various Coating Options | Uncoated, MgF2, VIS 0°, VIS-NIR, and NIR I |
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 — listed as “as Required”; 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 Material Selection for Precision Glass Processing. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. 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).
