Product type: Gluing Lens. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: OL-321.
Overview
The Convex 5-100mm Bk7 Optical Glass OEM-Achromatic Astronomical Telescope Objective Lens Optical Glass Lens is supplied as an optical lens in Optical Glass (Bk7, Quartz, Infrared, Sapphire, Ge, Si, Znse, Caf substrate). Listed geometry: diameter 1.5-300mm, size Custom, laminated lenses shape. Optical / electrical data: transmittance >95%. Coating: According to Customer Requirements. It is used in Lighting, Medical, Optical, Photography and Laser. 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 | Bk7, Quartz, Infrared, Sapphire, Ge, Si, Znse, Caf |
| Type | Gluing Lens |
| Shape | Laminated Lenses |
| Diameter | 1.5-300mm |
| Size | Custom |
| Transmittance | >95% |
| Coating | According to Customer Requirements |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | OL-321 |
| Lenses Color | Clear |
| Product Name | Optical Lens |
| Industrial Equipment | Laser marking machines, cutting machines, engraving machines, optical sensors |
| Electronic Devices | Cameras, projectors, optical communication equipment, medical imaging devices |
| Automotive Industry | Vehicle-mounted cameras, HUD (Head-Up Display) systems |
| Aerospace | Optical detection equipment, satellite communication systems |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Product Name | 25.4mm/50.8mm Optical Glass AR Coating Doublet Achromatic Glued Lens |
|---|---|
| Material | BK7+N-SF5; Or other design |
| Design Wavelength | 546.1nm |
| Diameter | 1-460mm |
| Diameter Tolerance | +-0.1mm |
| Thickness Tolerance | +-0.1mm |
| Centration | 3 arc minutes |
| Clear Aperture | > 90% |
| Flatness | L/4 |
| Surface Quality | 40/20 |
| Bevel | 0.25 mm*45° |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “1.5-300mm”; 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 “According to Customer Requirements”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica and Quartz Glass: Selecting Materials 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 How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Infrared Windows.


