Rainbow Optics Star Spectrograph, three years old and hardly used, fresh in original foam-cut box with all manuals.
PRICE for RAINBOW OPTICS' STAR SPECTROSCOPE
# RNBOW: COMBINATION VISUAL/PHOTO/CCD RAINBOW OPTICS STAR SPECTROSCOPE: includes Blazed Grating , Grating Cell, Dispersion Lens with holder, Foam Lined Box, Comprehensive Manual.
#LAD12F: This adapter allows you to screw in the Grating to the front end of a Star Diagonal for use on an F/10 SCT. SCT users check to see if the front end of your diagonal is fitted for 1.25" filters. If it is you will not need this adapter.
These items are 1.25" dia.
$150 + $7 shipping. PayPal, bank cashier's check, or USPS money order.