DayStar - Quark Sodium D Filter

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Customers have been asking for it, so Daystar has introduced a Sodium D line version of the Quark, serving as an excellent solar accessory for f/4-f/9 refractors. The sodium gives remarkable views of active regions of the sun as well as plage and granulation in a yellow or orange color.


SKU: DAY-DSZSD
Manufactured by:
DayStar Filters
 

Product Description

 DayStar Filters QUARK SODIUM D Filter

 

Customers have been asking for it, so Daystar has introduced a Sodium D line version of the Quark, serving as an excellent solar accessory for f/4-f/9 refractors. The sodium gives remarkable views of active regions of the sun as well as plage and granulation in a yellow/orange color.

Daystar has simplified the construction of this filter by taking the qualities of a telecentric barlow, adapters, snouts and the Daystar Sodium D line filter and merging it into one assembly, therefore helping observers use the high quality optics at reasonable prices.

DayStar has insured setup will be simple and quick. All the observer must do is insert their diagonal, add an eyepiece and view! A custom Daystar 4.2X telecentric barlow lens is included in the QUARK and is fully optimized in coatings and optical design while giving remarkable field flatness.  Depending on what the telescope setup may be, the exact filter bandpass may vary and therefore a specific FWHM bandpass isn't designated. However the etalon is approximately 0.3-0.5 angstroms. With a fully optimized design, adapters are not needed. Power consumption has also been reduced, therefore the Quark can function all day off a small palm sized battery pack.

This Quark Assembly uses DayStar Instrument's Fabry Perot etalon technology.

 

  • 1.25" or 2.0" combo eyepiece snouts with safety indent slot directly into your diagonal
  • Standard 1.25 eyepiece drawtube output with optional 2" and SCT accessories available.
  • Brass compression ring to protect eyepiece. Uses USB power, 5v 1.5amp Includes 90-240VAC wall adapter with international plug adapters.
  • Tuning knob allows wing shifting +/- 0.5Å with detents at every 0.1Å LED indicator for power, warming, ready, fault 5 year warranty,
  • Optional 8-hour battery pack available. Integrated, fully baffled 2 element telecentric 4.2X barlow
  • Integrated 12mm blocking filter 21mm clear filter aperture
  • Best performance with F/4 - F/8 refractors
  • Full disk viewing possible on refractors up to ~450mm focal length refractors
  • No aperture limitations. May be used on larger refractors for higher magnification views
  • Ships in convenient Twist-Case for safe, dust-free storage.
  • Not suited for off-axis application.

Specifications

Name DayStar - Quark Sodium D Filter
Manufacturer DayStar Filters
UPC 724696425700
Model DAY-DSZSD

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