Daystar Quark Gemini H alpha Filter
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PRODUCT DESCRIPTION:
SKU# DSZ4G
Daystar Quark Gemini H alpha Filter contains both Prominence and Chromosphere bandpass filters for instant slide-action switching between either view. Now, observers can enjoy the best of both options in one easy to use tool with no equipment swapping or refocusing of any kind. Push the slider arm side to side like in an eye exam to see the broad stroked prominences of wider bandpass, then the high contrast of narrow bandpass. Imagers can do comparison images and outreach astronomers can demonstrate surface structure and prominences and the science involved in wing shift.
PRODUCT FEATURES:
- Fully self-contained solar filter, safe for human eyes and imaging.
- Off-band blocking X-ray to 2microns. 22mm clear eyepiece aperture.
- Fits into 1.25" and 2" telescope drawtubes - designed for use on refractor telescopes of F/5-F/8
- Comes standard with 1.25" female eyepiece drawtube. T-adapter, C-mount adapter or 2" drawtube adapters are optionally available.
- Includes built-in 4.3X telecentric barlow optimized for Hydrogen Alpha 656nm wavelength.
- Contains TWO separate, independent Fabry Perot etalons of different FWHM bandpass ranges: One etalon of 0.5Å FWHM bandpass or narrower; One etalon of 0.6Å FWHM bandpass or wider.
- Paired etalons will be matched to maximize effect of wide vs narrow bandpass.
- Requires 2.0Amp 5VDC 10watts electrical power.
- Includes wall adapter for 110-240VAC including international power plugs.
- Boxed in environmentally controlled pelican style case.
- Fits all visual and imaging adapters in Quark product line.
- 5 year warranty
DAYSTAR QUARK:
This new, All-In-One design marries high quality components of a telecentric barlow, adapters, snouts and Daystar hydrogen alpha filter into one simple assembly. Through design efficiency and optimization, now users can enjoy the known high quality optics of DayStar* at an affordable price.
For use on refractors of F/4 to F/8**, the user needn't worry about configurations. Just insert in your diagonal, add an eyepiece and view.
The patent pending QUARK* contains a custom Daystar Instruments 4.2X telecentric barlow lens fully optimized in coatings and optical design specifically for the Hydrogen Alpha wavelength. This highly specialized telecentric lens offers superior field flatness.
Exact filter bandpass will vary based on final telescope application, so QUARK* assemblies are qualified to show either prominence or surface (chromosphere). No specific FWHM bandpass is designated. Now observers can buy a filter based on their desired observing goals instead of their budget. Choose fore WIDER prominences with a little surface or MORE surface contrast (Chromosphere) and narrower prominences. Both are available for the same low price!
The fully optimized design eliminates the need for any adapters. It's all combined in one lightweight eyepiece sized device. The new, compact design configuration eliminates unnecessary components, weight and associated costs. We even reduced power consumption, so the Quark* can now operate all day off a small, palm-sized optional battery pack. Baffles have been added to increase contrast and AR coatings are optimized for the 656nm wavelength.
SHIPPING:
GEMINI FILTERS ARE CURRENTLY MADE TO ORDER AND SHIPPING TIMES MAY VARY.
