Product type: Flat Lens. Application: Optical. Model: HW-G830.
Overview
Optical Glass Fresnel Lens for Solar Usage (HW-G830): an optical lens made from Optical Glass. Listed geometry: size 830*630mm, single-lens shape. Optical / electrical data: transmittance 90%-95%. Coating: UV. Typical applications: 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 |
|---|---|
| Type | Flat Lens |
| Shape | Single-lens |
| Size | 830*630mm |
| Transmittance | 90%-95% |
| Coating | UV |
| Usage | Optical |
| Model NO. | HW-G830 |
| Lenses Color | Clear |
| Model No | Hw-G830 |
| Brand Name | Haiwang |
| Array | 16*12 |
| Focus Length | 160/95/93.5mm |
| Single Lens | 50*50mm |
| Package Way | Wooden Case |
| Lifetime | 10 Years |
| Other Fresnel Lens for your choice | Large size Fresnel Lens Used for Solar Cooker |
| Supplier | HW INDUSTRIAL CO., LTD |
Technical data
| Large size Fresnel Lens Used for Solar Cooker | |||||
| Model | Material | Size | Focal Length | Thickness | Groove Pitch |
| HW-F1000-5 | PMMA | 1000*1000mm | 1300mm | 5±0.5mm | 0.5mm |
| HW-F1000-1 | PMMA | 1100*1100mm | 1300mm | 5±0.5mm | 0.5mm |
| HW-1100 | PMMA | 1100*1100mm | 1000mm | 5±0.5mm | 0.5mm |
| HW812890 | PMMA | 800*800mm | 890mm | 5±0.5mm | 0.5mm |
| Smaller size Fresnel Lens Used for Solar Energy | |||||
| Model | Material | Size | Focal Length | Thickness | Groove Pitch |
| HW-810-700 | PMMA | 570*570m | 700mm | 3mm | |
| HW-372-800 | PMMA | 372*282mm | 800mm | 2mm | 0.2mm |
| HW-280-330 | PMMA | 280*280mm | 330/220mm | 3.5/4mm | 0.5mm |
| HW-240-250 | PMMA | 240*240mm | 250mm | 2mm | 0.5mm |
| HW-310-350 | PMMA | 310*310mm | 350mm | 5mm/2mm | 1mm |
| HW–350 | PMMA | 350*350mm | 350mm | 5mm | |
| HW-340-350 | PMMA | 340*340mm | 350mm | 5mm | 0.5mm/1mm |
| HWP-400(Linear) | PMMA | 400*320mm | 650mm | 2mm | 0.6mm |
| HW-F1010(Linear) | SOG | 1010*1010mm | 1000mm | ||
| HW-420-520 | PMMA | 420*260mm | 520mm | 4mm | 0.3mm |
| HW-238300 | PMMA | 238*238mm | 300mm/248mm | 5mm | 0.5mm/1mm |
| HW-27025 | PMMA | 250*270mm | 250mm | 3mm | 1mm |
| HW-358350 | PMMA | 358*350mm | 350mm | 5mm | 1mm |
| HW-336350 | PMMA | 336*350mm | 350mm | 5mm | 1mm |
| HW-249268 | PMMA | 249*268mm | 250/265mm | 3.75mm | 1mm |
| HW-256268 | PMMA | 256*268mm | 250/265mm | 3.75mm | 1mm |
| HW-201201 | PMMA | 201*201mm | 250mm | 2mm | 1mm |
| HW-G780(Array lens) | SOG | 780*480mm | 200mm | 3.2mm | |
| HW-G830(Array lens) | SOG | 830*630mm | 160/75mm | ||
| HW-G770(Array lens) | SOG | 770*620mm | 233mm | ||
| HW-G1701(Array lens) | SOG | 1701*1041mm | 530mm | ||
| HW-G1010-1 | SOG | 1010*1010mm | 1300mm | 13mm | 0.5mm |
| HW-G1170(Array lens) | SOG | 1170*980mm | 280mm | 4mm |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “830*630mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “UV”; 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 Optical Glass Polishing for High Clarity Surfaces. For an application example, read Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
