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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
01Å in center wavelength
Uses USB power
We can move your existing Quantum
Window/Mac computer
25 eyepiece drawtube output with optional 2" and SCT accessories available
Daystar ERF 130mm with 170mm Cap - E-170N130 Built To Order 01Å in center wavelength130mm ERF Glass, Cell & 170mm ID Cap For Refractors DayStar Energy Rejection Filters reduce the heat load on your filter assembly by absorbing or reflecting UV and or I light and transmitting light in the desired visual spectrum. These filters are sometimes Red or Yellow glass, or dielectric IR and UV, but pass light in the desired visual spectrum. The ERF can also serve as an aperture mask to accomplish a straight angle of incidence for light