Astronomik CLS Filters available in a variety of sizes. Size:Astronomik CLS 1.25" (M28.5) processed with Siril 0

processed with Siril 0

25" eyepieces with a metal thumbscrew

1x Cell Phone Adapter Mount

Advanced Two-Stage TEC Cooling

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Astronomik CLS Filters available in a variety of sizes. Size:Astronomik CLS 1.25" (M28.5) processed with Siril 0The Astronomik CLS is a budget filter for visual observation, Black & White photography and CCD photographs of nebulae, galaxies and star clusters with astronomical instruments of any size. The Astronomik CLS blocks the light of the spectral lines of mercury and sodium vapor lamps and lets the largest part of the visible light and H alpha emissions pass. All the important emission lines, as well as the spectral region that the very well dark adapted