Product type: Convex Lens. Application: Thermal Image. Model: STF509.
Overview
Collimator Laser Focus Glass Aspherical Lens Efl2mm Dia. 3mm: an optical lens made from Optical Glass. Listed geometry: single-lens shape. Optical / electrical data: transmittance >95%. Coating: HC; surface quality 60-40; flatness 1/4 Lambda. Typical applications: Thermal Image. 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 | Convex Lens |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | HC |
| Surface Quality | 60-40 |
| Flatness | 1/4 Lambda |
| Usage | Thermal Image |
| Model NO. | STF509 |
| Tolerance | +/-0.05mm |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| art NO | Dia(mm) | EFL(mm) | CT(mm) | CA(mm) | NA | Material | WL(nm) |
| SDXR3A6Y | 3 | 6 | 1.5 | 2.1/2.4 | 0.2 | D-ZK3 | 400-700nm |
| SDXR3A2C | 3 | 2 | 1.87 | 2.15/1.55 | 0.54 | D-ZK3 | 400~1050nm/600-1050nm |
| SJXR30383 | 3 | 3.8 | 1.5 | 2.3 | 0.3 | D-ZK3 | 650nm |
| SDX4A433C | 4 | 4.33 | 2 | 4.2/3.47 | 0.48 | D-ZLaF52La | 635nm |
| SDXR4A71 | 4 | 7.1 | 2.2 | 3.65/3.15 | 0.26 | D-ZK3 | 400-700nm |
| SDX47A8C | 4.7 | 8 | 2.9 | 4.0/3.29 | 0.25 | D-ZK3 | 420-680nm |
| SJLT476226 | 4.7 | 6.2 | 3.484 | 3.7/2.55 | 0.3 | D-ZK3 | 420-680nm |
| SD598A12A | 5.98 | 12 | 1.95 | 5.3/4.9 | 0.22 | D-ZK3 | 400-700nm |
| SDXR6A10C | 6 | 10 | 2 | 5.0/4.58 | 0.25 | D-ZK3 | 400-700nm,600-850nm |
| SD6AR991C | 6 | 9.91 | 2 | 5.0/4.57 | 0.25 | D-ZK3 | 420-660nm |
| SD6AR12C | 6 | 12 | 2.5 | 5.5/4.93 | 0.23 | D-ZK3 | 400-700nm |
| SDXR633405-A | 6.33 | 4.02 | 3.3 | 5.1 | 0.6 | D-ZK3 | 400-700nm,700-1100nm |
| SDXR633405-B | 6.33 | 4.02 | 3.1 | 3.2/2.09 | 0.4 | D-ZK3 | 400-700nm |
| SDXR633A8 | 6.33 | 8 | 1.91 | 5.3/4.87 | 0.33 | D-ZK3 | 400-700nm |
| SDXR85A15 | 8.5 | 15 | 2.5 | 8.0/7.48 | 0.27 | D-ZK3 | 400-700nm |
| SD10A19C | 10 | 19 | 3.14 | 8.16/8.8 | 0.23 | D-ZK3 | 915nm |
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 “60-40”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “HC”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Laser Beam Splitter Glass Sheet.
