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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
SkyWire is the most straightforward
Maksutov (if sufficient focus travel)
compact design configuration eliminates unnecessary components
Powerful and fast
Superior field flatness
Daystar ERF 140mm with 200mm Cap - E-200N140 C Adapter SkyWire is the most straightforward140mm ERF Glass, Cell & 200mm ID Cap For Refractors Discontinued 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
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