Solar Filter - Daystar Calcium QUARK filter - shows plage
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Make sure this fits by entering your model number.Calcium for use on F/7 or longer focal ratio refractors.Baffles have been added to increase contrast and AR coatings are optimized for the 397nm wavelength~5.0 Angstrom bandpass shows plages on sun's surface and occasionally prominences
상품설명
1.25" eyepiece snout with safety indent slot directly into your diagonal or focuser Standard 1.25 eyepiece drawtube output with optional 2" accessories available. Brass compression ring to protect eyepiece. Uses USB power, 5v 1.5amp Includes 90-240VAC wall adapter with international plug adapters. Integrated 25mm blocking filter, 21mm clear filter aperture. No barlow or focusing elements included. Best performance with F/7 - F/30 refractors full aperture. Full disk viewing possible on refractors up to ~1800mm focal length No aperture limitations. May be used on larger refractors for higher magnification views Ships in convenient Twist-Case for safe, dust-free storage.
Make sure this fits by entering your model number.Calcium for use on F/7 or longer focal ratio refractors.Baffles have been added to increase contrast and AR coatings are optimized for the 397nm wavelength~5.0 Angstrom bandpass shows plages on sun's surface and occasionally prominences
상품설명
1.25" eyepiece snout with safety indent slot directly into your diagonal or focuser Standard 1.25 eyepiece drawtube output with optional 2" accessories available. Brass compression ring to protect eyepiece. Uses USB power, 5v 1.5amp Includes 90-240VAC wall adapter with international plug adapters. Integrated 25mm blocking filter, 21mm clear filter aperture. No barlow or focusing elements included. Best performance with F/7 - F/30 refractors full aperture. Full disk viewing possible on refractors up to ~1800mm focal length No aperture limitations. May be used on larger refractors for higher magnification views Ships in convenient Twist-Case for safe, dust-free storage.
2021-06-28 23:15:23