Application: Optical. Model: No. 22.
Overview
Binoculars Riflescope Sight Optical Reticule Lenses Etched Glass Reticle is an optical lens made from B270 or H-K9l. Listed geometry: ball, hemisphere shape. Listed for Optical applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | B270 or H-K9l |
|---|---|
| Shape | Ball, Hemisphere |
| Usage | Optical |
| Model NO. | No. 22 |
| Lenses Color | Clear |
| Model Number | as Per Drawings |
| Feature | Reticle lens |
| Item# | No. 22 |
| Shipping by international express, such as | DHL, UPS, TNT, EMS and FedEx; It also can be shipped by sea and air. |
| Samples delivery time | Stock samples can be shipped within 3 days. |
| Production time | Generally speaking, it takes about one month, but it depends on our production situation when you ordering. |
| Supplier | Chongqing Dontop Optics Co., Ltd. |
Technical data
| Glass Reticle | No.22 |
|---|---|
| Material | B270 or H-K9L |
| Diameter | 19.4mm (other diameters optional) |
What to specify when you request a quote
- Material — listed as “B270 or H-K9l”; name the glass or crystal.
- Geometry — 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 — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Material Selection for Precision Glass Processing. 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 Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Etched Glass Cover for LED/OLED Packaging.
