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ZWO Ha 7nm 2-inch Filter
The ZWO 2" Hydrogen alpha filter is used for narrowband astrophotography. It main use is to increase the contrast of the night sky and the nebulae. In order to result in high clarity images, the filter helps in blocking out any unecessary light that may hinder during photographing.
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The ZWO H-alpha Narrowband 2" Filter is used for narrowband astrophotography.
Hydrogen alpha light has a wavelength of 656.3nm, and is the most commonly-used narrowband frequency. It can be used as part of two-band, three-band, or other false-colour images, as well as being combined as a luminance layer or as an addition to the red channel with full-colour filters. It blocks 98% of any unwanted light to enhance your photography experience.
Specs:
- 7nm bandpass suitable for most f/ ratios
- 2" mounted filter for use in filter wheels or holders
About ZWO Optical
Established in 2011, ZWO Optical is a fast-growing global astroimaging camera powerhouse based in Suzhou, China. Known for its iconic ZWO ASI 120MM Monochrome CMOS Camera, the first-ever planetary CMOS camera to beat a CCD in the early 2010s, ZWO has pioneered new astroimaging technology with revolutionary new features, including USB 3,0, cooled systems, ADC and more. Today, ZWO Cameras is known by every passionate astrophotographer and is available in over 25 countries world-wide.
Product Code: ZWO-Ha7nm2