• DayStar QUARK Gemini Combo H-Alpha solar filter for beginner astronomers showing chromosphere and prominence viewing features, model DSZGC
  • DayStar QUARK Gemini Combo H-Alpha solar filter for beginner astronomers showing chromosphere and prominence viewing features, model DSZGC
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Daystar

DayStar Quark Gemini Combo H-Alpha Solar Filter — Switch Between Chromosphere and Prominence Views of the Sun

DayStar Quark Gemini Combo H-Alpha Solar Filter — Switch Between Chromosphere and Prominence Views of the Sun

$2,595.00
$2,595.00
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The most versatile entry into H-Alpha solar viewing. The DayStar Quark Gemini Combo (DSZGC) gives you the dual-mode Gemini filter alongside a matched set of accessories — everything needed to start viewing both the solar chromosphere and prominences with any telescope. A complete first step into dedicated H-Alpha solar astronomy. Ships free to the US.

Specifications
Wavelength H-Alpha (656.3nm)
Filter Type Solid-state Fabry-Pérot etalon (electrically tuned, dual-mode)
Tuning Modes Chromosphere (≤0.5Å) and Prominence (≥0.6Å) — single filter covers both bandpass regions
Integrated Barlow 4.2× telecentric, optimized for 656nm
Blocking Filter 12mm integrated, 21mm clear aperture
f/Ratio Compatibility f/4 – f/8 refractors only (not for SCTs, Maks, or Dobs)
Full-Disk Focal Length ≤450mm refractor focal length for full solar disk
Tuning Range ±0.5Å with 0.1Å detents
Power USB 5V, 1.5A (90–240VAC wall adapter included)
Warranty 5 years
What's in the Box Gemini Dual-Mode filter, matching accessories, 1.25" and 2" snouts with safety indents, 90–240VAC wall adapter with international plug adapters, Twist-Case
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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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