Daystar 80mm / Quark H alpha Filter Bundle solar filter Measure the outside diameter of

Measure the outside diameter of the frontmost component of your telescope or ERF

which can make it easier to see faint prominences or increase the visible extent of a prominence

The fine focus reduction cone has a 1

ie:  To reserve two (2) each Sol 130 telescopes

Daystar 80mm / Quark H alpha Filter Bundle solar filter Measure the outside diameter ofBest price in class! Only 50% the cost of other brands! Observe the SUN, Observe the Night Sky, ALL IN ONE package! INCLUDES: Quality Achromat Doublet 80mm F 6 refractorwith dual speed Crayford Hybrid focuserwith rack & pinion assistAluminum Hard CaseDaystar Quark in either Chromosphere or Prominence model2 Dielectric Mirror DiagonalFEATURES: Best Price In Class for 80mm Solar Telescope! Prominence or Chromosphere model no extra costFull 22mm Clear