Product type: Spherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 101.
Overview
The Optical N-Bk7/H-K9l Ar Coating Wedge Lens/Window for Microscopes is supplied as an optical lens made from Optical Glass. Listed geometry: thickness as Required, half ball shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality 40-20 or Better. It is used in 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 | Half Ball |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 40-20 or Better |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 101 |
| Lenses Color | Clear |
| Polished | Yes |
| Convenient Options | T/T, Western Union, Paypal, L/C |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Optical N-Bk7/H-K9L AR Coating Wedge Lens/Window for Microscopes |
|---|---|
| Size | D1mm to D300mm |
| Material | N-Bk7/H-K9L |
| 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 — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20 or Better”; quote surface figure (λ) and scratch-dig.
- Centring and edges — 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 AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is AR-Coated High-Transparency Optical Glass.


