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Standard Filters

The standard filters provided with COSMIC are given in Table 4. The first position is normally left clear (i.e. an empty filter holder ring) to allow for spectroscopy in the reimaged mode.


Table 4
Standard Filters for COSMIC
Position Filter Focus Offset (Foc[filt] - Foc[r])
1 clear ~-1.2 mm
2 g - 0.2 mm
3 r + 0.0 mm
4 i + 0.1 mm
5 B - 0.3 mm
6 V - 0.1 mm
7 R + 0.0 mm




Roy Gal
2/11/1999