Product type: Convex Lens. Application: Medical, Optical, Photography. Model: yt169.
Overview
D1/3/5/7/12/16/18/20mm Bk7 (K9) Fused Silica Jgs1 Zk3 Zf6 Sapphire Optical Glass Ball Lens: an optical lens made from Optical Glass. Listed geometry: half ball shape. Optical / electrical data: transmittance >95%. Coating: HMC. It is used in Medical, Optical and Photography. 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 | Half Ball |
| Transmittance | >95% |
| Coating | HMC |
| Usage | Medical, Optical, Photography |
| Model NO. | yt169 |
| Lenses Color | Clear |
| Sapphire Ball | D1/2/3/4/5/6/8/9/12/16/20mm |
| ZK3 ball | D4.27/4.32/4.78mm |
| H-ZF6 ball | D5.334/5.34/6.215mm |
| Supplier | Changchun Yutai Optics Co., Ltd. |
Technical data
| Material | K9,BK7,b270,fused silica,sapphire,znse,caf2, glass |
|---|---|
| Dimension | 0.5-100mm |
| Dimension tolerance | +/-0.05mm |
| S/D | 60/40 |
| C.A. | 90% |
| Centration | 3 arc min |
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 — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “HMC”; 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 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 Fused Silica Glass Wafers (2–12", JGS1/JGS2).
