| Shape: | Cylindrical |
|---|---|
| Structure: | Double Concave |
| Usage: | Optical |
| Material: | Glass |
| Model Number: | Cylindrical Lenses |
| Brand Name: | crysmit |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
|
Attribute
|
Specification
|
|
Typical Material
|
N-BK7, H-K9, Fused Silica, N-SF10, etc
|
|
Diameter Tolerance (mm)
|
±0.2 (General), ±0.05 (High Precision)
|
|
Focal Length Tolerance (mm)
|
±2%
|
|
Centration
|
<3 arc min
|
|
Surface1 Figure (per 25mm@632.8nm)
|
λ/2 (General), λ/4 (High Precision)
|
|
Surface2 Figure (per 25mm@632.8nm)
|
2λ (General), λ (High Precision)
|
|
Surface Quality
|
60/40 (General), 10/5 (High Precision)
|
|
Bevel (face width x 450)
|
<0.2-0.5mm (General), 0.05-0.2 (High Precision)
|
|
Coating
|
upon request
|