Daystar Instruments Quark | Hydrogen Alpha "Eyepiece"

Daystar Instruments Quark | Hydrogen Alpha "Eyepiece"

$1,195.00
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Daystar Instruments QUARK | Hydrogen Alpha "Eyepiece" 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 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.   The fully optimized design eliminates the need for any adapters.  It's all combined in

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