Multi-Coated Filter is made of optical materials such as Bk7, Fused Silica, Colored Glass, Sapphire and so on. Hundreds Optics offers Multi-Coated Filters include bandpass filters, dichroic filters, s..
Multi-Coated Filter is made of optical materials such as Bk7, Fused Silica, Colored Glass, Sapphire and so on. Hundreds Optics offers Multi-Coated Filters include bandpass filters, dichroic filters, short-pass filters and long-pass filters.
| Material: | BK7 Glass， Fused Silica or Color glass |
| Dimension Tolerance: | +0.0/-0.2mm |
| Thickness Tolerance: | ±0.2mm（General),±0.05(High Precision) |
| Surface Quality: | 80/50（General),40/20(High Precision) |
| Clear Aperture: | ＞90% |
| Flatness: | λ/2@633nm（General),λ/10@633nm Precision) |
| Parallelism: | <3 arc min.(General). <3 arc sec.(High Precision) |
| AR Coated: | Uncoated, AR, HR, PR, etc. |