Product type: Meniscus Lens. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 78.
Overview
The Jgs1/H-K9l/H-Zf13 Optical Glass Stock Meniscus Lens Focusing Lenses 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 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 | Meniscus Lens |
| Shape | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 40-20 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 78 |
| Lenses Color | Clear |
| Bevel | Protective Bevel as Needed |
| Polished | Yes |
| NML | Negative Meniscus Lenses |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Stock Negative Meniscus Lenses |
|---|---|
| Shape | NML:Negative Meniscus 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 — 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 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 Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).


