Optical Lens Achromatic Cylindrical Lens Achromatic Lens Meniscus Cylindrical Lens China Factory Customized, Find details about China Endoscope, Glass Lens from Optical Lens Achromatic Cylindrical Lens Achromatic Lens Meniscus Cylindrical Lens China Factory Customized
Attribute | Commercial | High Precision |
Typical Material | BK7 | BK7 , Fused Silica |
Typical Dimension X*Y (mm) | 10*10 | 10 * 30 |
Diameter Tolerance (mm) | +0.00/-0.2 | +0.00/-0.2 |
Focus Length Tolerance(mm) | Typical +/-2%@633nm | Typical +/-2%@633nm |
Centration ( arc min) | Typical < 3 | Typical < 3 |
Surface Figure X (per 25mm@632.8nm) | 1 /2 | 1/4 |
Surface Figure Y(per 25mm@632.8nm) | 2λ | λ |
Surface Quality (scatch/dig) | 60-40 | 10-5 |
Bevel (face width * 45° mm) | 0.2--0.5 | 0.05-0.2 |
coating | wavelength:AR: R≤0.25% per surface broadband AR R≤0.5% per surface | As requested |