Product type: Flat Lens. Application: Optical. Model: RAY-LH048#.
Overview
High-Definition Optical Lens for Exceptional Clarity and Precision is an optical lens in Optical Glass (Borofloat 33 or Equivalent substrate). Optical / electrical data: wavelength 488-694 Nm/700-950nm, transmittance >95%. Coating: Dielectric Coating; surface quality 40-20 Scratch-Dig or Custom Manufacturing; flatness Lambda/10 at 632.8nm with Power Removed. It is used in Optical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Substrate | Borofloat 33 or Equivalent |
| Type | Flat Lens |
| Shape | Customized |
| Wavelength Range | 488-694 Nm/700-950nm |
| Transmittance | >95% |
| Surface Quality | 40-20 Scratch-Dig or Custom Manufacturing |
| Usage | Optical |
| Model NO. | RAY-LH048# |
| Lenses Color | Clear |
| Surface Flatness | Lambda/10 at 632.8nm with Power Removed |
| Coating Type | Dielectric Coating |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| Diameter | 3.00mm |
|---|---|
| Center Thickness | Tc(mm)2.90mm |
| Edge thickness | Te(mm)2.32mm |
| Focal length | EFL4.00mm |
| Material | H-ZBAF52/H-ZF7LA |
| Applicable Lens Mounting Ring | N/A |
| Diameter Error | +0.0/-0.1 |
| Center thickness error | ±0.2mm |
| Focal length error | (EFL) ±2% |
| Lens centering error | 3~5 points |
| Surface finish | 3~4 grades |
| Chamfer | 0.2mmX45° |
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 Scratch-Dig or Custom Manufacturing”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Dielectric Coating”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Borofloat Glass Wafers: Material & Coating Options for Substrates. 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 Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is 4-inch Borofloat 33 Glass Wafers.
