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GG Series: Yellow glass. GG400, GG420, GG455, GG475, GG495
OG Series: Orange glass. OG530, OG550, OG570, OG590
RG Series: Red and black glass. IR transmitting, RG610, RG630, RG645, RG665, RG695, RG715, RG780, RG830, RG850
UG Series: Black blue glasses, ultraviolet transmitting. UG1, UG5, UG11
KG Series: Colorless glass with high transmission in the visible and absorption in the IR range (heat protection filters). KG2, KG3
NG Series: Neutral glass with uniform attenuation in the visible range. NG1, NG3, NG4, NG5, NG9, NG11
| Other frequently used color filter |
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| WG Series |
WG280, WG295, WG320, WG345, WG360 |
| BG Series |
BG38, BG39 |
| VG Series |
VG5, VG6, VG8, VG9, VG10, VG11 |
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| Specifications |
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| Dimension Tolerance |
+0.0/-0.2mm |
| Thickness Tolerance |
±0.2mm |
| Flatness |
2λ@632.8nm |
| Surface Quality |
80/50 scratch and dig |
| Parallelism |
<5 arc minutes |
| Clear Aperture |
>90% |
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