Cosine Receptor Holder with Field of View Reducing Extension Tubes

Cosine Receptor Holder with field of view reducing extension tubes.  Can be used as a tripod or handheld pointer (gun) for the cosine receptor accessory.  Comes with a set of 3 field of view reducing "collimating tubes" with 10, 20, and 30 deg FOV.  Custom lengths also available ContactUs@StellarNet.us for more information 

**All accessory pricing includes 30% surcharge for accessories purchased without spectrometer instrumentation**