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5 angstroms
Vixen SkySensor 2000
The housing offers live LCD readout of the filter's wavelength output (accurate to 0
NOTICE: This product has been discontinued
so you don’t need to worry about draining your battery
Daystar Off Axis ERF 63mm with 244mm Cap - E-244F63 Filter Size_2" 5 angstroms63mm ERF Glass & 244mm Cap Off Axis For SCT Daystar Energy Rejection Filters (ERF) reduce the heat load on your filter and optics assembly by absorbing reflecting UltraViolet and or Infrared light while 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
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