Schott Glass Filters
Available for CTIO Hydra
IMPORTANT NOTE: The following filters are all 2mm thick, but the reference thickness shown on the curves is not 2mm in most cases. Be sure to correct for the difference in thickness!
|
Schott Name |
Purpose |
Transmission Curve |
Thickness |
| BG23 | Bandpass ~330-620nm | BG23 | 2mm |
| BG39 | Bandpass ~350-580nm | BG39 | 2mm |
| GG385 | Longpass > ~385nm | GG/OG/RG | 2mm |
| GG420 | Longpass > ~420nm | GG/OG/RG | 2mm |
| GG455 | Longpass > ~455nm | GG/OG/RG | 2mm |
| GG495 | Longpass > ~495nm | GG/OG/RG | 2mm |
| OG515 | Longpass > ~515nm | GG/OG/RG | 2mm |
| OG570 | Longpass > ~570nm | GG/OG/RG | 2mm |
| OG590 | Longpass > ~590nm | GG/OG/RG | 2mm |
| RG610 | Longpass > ~610nm | GG/OG/RG | 2mm |
| RG665 | Longpass > ~665nm | GG/OG/RG | 2mm |
Last updated 1aug99
rdepropris[at]ctio.noao.edu
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