Product type: Spherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 1.
Overview
Customized Shott Bk7 Optical Plano Convex/Concave Lens with Coating: an optical lens made from Optical Glass. Listed geometry: diameter +0/-0.01mm, thickness as Required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality 10-5. 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 | Spherical Lenses |
| Shape | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 10-5 |
| Clear Aperture | 90%-100% |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 1 |
| Lenses Color | Clear |
| Diameter Tolerance | +0/-0.01mm |
| Tolerance of CT | +/-0.02mm |
| Tolerance of Et | +/-0.02mm |
| Vector Tolerance | +/-0.015mm |
| Curvature Tolerance | +/-0.01% |
| Centration | 30seconds |
| Focal Length | +/-1% |
| Edge Chip | <0.1mm |
| Bevel | as Required |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| 1.Material | Domestic or foreign materials are selected based on clients' requests |
|---|---|
| 2.Diameter tolerance | 0/-0.01mm |
| 3.Clear aperture | 90%-100% |
| 4.Tolerance of CT or ET | ±0.02mm |
| 5.Vector Tolerance | ±0.015mm |
| 6.Aperture Tolerance | ±0.02mm |
| 7.Surface Quality | US Standard 10-5,ISO Standard 3X0.063 |
| 8.Curvature Tolerance | ±1.5Lambda |
| 10.Centration | 30 arc seconds |
| 11.Focal Length | ±1% |
| 12.Edge Chip | <0.1mm |
| 13.Bevel | Based on clients' requests |
| 14.Coating | Apply AR or based on client requests |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “+0/-0.01mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “10-5”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “30seconds”; 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 and Other Glass Materials for Machined 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).
