In mint boxed condition
- Revolutionary design in solar observing, the DayStar QUARK is an h-alpha eyepiece!
- The chromosphere model has been configured to highlight solar surface detail, specifically.
- An incredible all in one design: simply drop the QUARK into your diagonal, add an eyepiece and you're ready to start observing! Works best with eyepieces with focal lengths between 25mm & 40mm.
- Compatible with refractors between f/4 and f/8.
- The Daystar QUARK is a 4.2x Barlow type lens married with a 21mm h-alpha filter, with an integrated 12mm blocking filter.
- Included baffling increases contrast. AR coatings are optimized for the 656nm wavelength.
- Electronic cooling and heating offer image stability with fine-adjustment tuning for optimum views. Exceptionally low power drain.