Product type: Convex Lens. Application: Thermal Image. Model: SJXR30383.
Overview
650nm Efl3.8mm Dia. 3mm D-Zk3 Glass Aspherical Lenses is 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. | SJXR30383 |
| Tolerance | +/-0.05mm |
| Efl | 3.8mm |
| 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 Selecting Fused Silica and Quartz Glass 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).
