Filter Sets

Balzers neutral density filters

GRIM II filters

Gunn-Thuan g, r, i, z

FNAL Harris B, V, R

Only available for the DSC and SPIcam.

Hodge ON/OFF H-ALPHA

(Not on-site at APO, but can be obtained on loan--contact Paul Hodge at UWash, hodge@astro.washington.edu)

MSSSO U, B, V, R, I

Only available for the DSC and SPIcam.

SDSS Filters

Only available for the DSC and SPIcam.

UW-WSU Nebular Emission-Line Filters

(Not on-site at APO, but can be obtained on loan--contact Jeff Morgan at UWash, morgan@astro.washington.edu)

York interference filters