Pay in 4 interest-free payments of $68.75 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
add an eyepiece
Remote control: RS-232 serial port required
SkyWire is the most straightforward
Recommended range: F/27-F/35
The Solar System filter wheel is also great for outreach and education
Daystar Off Axis ERF 80mm with 281mm Cap - E-281F80 Off Axis add an eyepiece63mm ERF Glass & 244mm Cap For Celestron 9. 25s 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