Product type: Spherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 121.
Overview
Small Size Bk7/H-K9l Plano Convex Lens for Medical Device: 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 10-5. 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 | 10-5 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 121 |
| Lenses Color | Clear |
| Polished | Yes |
| Bevel | Protective Bevel as Needed |
| Focal Length Specification Wavelength | 587.6nm |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Small Size BK7/H-K9L Plano Convex Lens for Medical Device |
|---|---|
| Shape | Plano-Convex |
| Material | N-BK7/H-K9L |
| Size | Dia 1mm |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “587.6nm”; 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 “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 and Quartz Glass: Selecting Materials for Precision Components. 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).
