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Daystar QUARK Sodium Filter Assembly

Daystar QUARK Sodium Filter Assembly
Daystar Quark Flyer Page 1 Daystar Quark Flyer Page 2 Altaiir 80/480 F6 Wave Triplet Solar Prominence by Ewan Thomas Daystar Quark Ha Eyepiece Inverted Prominence Altaiir 80 Triplet Ewan Hobbs Daystar Quark Ha Eyepiece Inverted Filament Altaiir 80 Triplet Ewan HobbsDaystar Quark Ha Eyepiece Sunspot Altaiir 80 Triplet Ewan Hobbs Daystar Quark Ha Eyepiece
Incl. VAT 20.00 % ( £166.50 )
Product Code
Add 2" ERF filter for energy rejection
Add Interference Eliminator
CALL US for Daystar Quark Altair SPECIAL OFFERS:
Special offers:
1) £20 off Daystar Quark when ordered with ANY Altair Astro Camera.
2) £30 off Daystar Quark when ordered with ANY iOptron Mount.
3) £50 off Daystar Quark when ordered with ANY Altair Astro Telescope Optical Tube.
(All 3 above can be combined for total £100 savings)
Stock is frequently inbound, usually every two weeks - just click "notify when in stock" button to get an email alert if showing as out of stock.
By popular demand, we are introducing a Sodium D line version of the Quark, for use in refractors F/4-F/9.  Sodium gives outstanding views of active regions, plage, and granulation, in a pleasing yellow/orange color. The Sodium D wavelength is 5890.0 or 5895.9Å
This new, All-In-One design marries Fabry Perot etalon technology with high quality components of a telecentric barlow, adapters, snouts and Daystar Sodium D line filter into one simple assembly. Through design efficiency and optimization, now users can enjoy high quality DayStar optics of at an affordable price.
For use on refractors of F/4 to F/9, the user needn't worry about configurations.
An ERF or Energy Rejection Filter is strongly recommended on front of your diagonal.  (Please see options when ordering). For apertures above 115mm a special Sodium-Compliant (Yellow) front mounted ERF assembly is required, before your objective lens, please contact us to discuss options.
For normal use with refractors under 115mm, just screw the 2" ERF on the front of your diagonal, insert the Quark into your diagonal, add an eyepiece and view - or image with your Hypercam.
The QUARK contains a custom Daystar Instruments 4.2X telecentric barlow lens fully optimized in coatings and optical design. This highly specialized telecentric lens offers superior field flatness. Exact filter bandpass will vary based on final telescope application.  No specific FWHM bandpass is designated, however the etalon will be approximately 0.3-0.5 angstroms. 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 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.
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.
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