Product type: Spherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 94.
Overview
4" Diameter/Customized Quartz Ar Coated Plano Convex Step Lens: an optical lens made from Optical Glass. Listed geometry: thickness as Required, spherical lenses shape. Optical / electrical data: wavelength 587.6nm, transmittance >95%. Coating: HMC; surface quality 40-20. 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 | Spherical Lenses |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 40-20 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 94 |
| Lenses Color | Clear |
| Bevel | Protective Bevel as Needed |
| Focal Length Specification Wavelength | 587.6nm |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | 4" Diameter/Customized Quartz AR Coated Plano Convex Step Lens |
|---|---|
| Shape | Plano-Convex |
| Size | 4" |
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 “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 Selecting Fused Silica and Quartz Glass for Precision Components. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is AR-Coated High-Transparency Optical Glass.


