SVBONY H-Alpha 7nm Canon EOS-C Clip Filter Narrowband Astronomical Photographic CCD Filter for Deep Sky
Free Shipping Included! SVBONY H-Alpha 7nm Canon EOS-C Clip Filter Narrowband Astronomical Photographic CCD Filter for Deep Sky by SVBONY at Toni Lynn Photography. MPN: F9169. Hurry! Limited time offer. Offer valid only while supplies last. H-Alpha is 656nm mainly through the high permeability of the spectrum, and 656nm spectrum of the color presented by the red-based； 300-1100nm cut-off depth to get the details of the launch nebula richer. Extremely narrow bandwidth allows only the 656nm band to pass through the filter； can effectively cut off the artificial light Na lamp and Hg lamp interference to make the transmission line through, so as to improve the nebula contrast； With CCD is better choice for deep sky photography an
Product Description & Reviews
H-Alpha is 656nm mainly through the high permeability of the spectrum, and 656nm spectrum of the color presented by the red-based； 300-1100nm cut-off depth to get the details of the launch nebula richer. Extremely narrow bandwidth allows only the 656nm band to pass through the filter； can effectively cut off the artificial light Na lamp and Hg lamp interference to make the transmission line through, so as to improve the nebula contrast； With CCD is better choice for deep sky photography and wide-field astrophotography high optical quality Precision double sided optical coating,non-two-piece glue, effectively improve the transmittance and cut-off depth Ion source assisted coating technology To improve the density of the film to ensure that the filter wavelength to minimize the impact of temperature caused by the temperature drift good treatment Optical equipment professional fine sandblasting and anode treatment,the box to do extinction treatment to prevent reflection suitable the Camera Type The SVBONY CLS EOS -C Filter is suitable the Camera Type: 60D/60DA, 7D Mark II, 80D/800D, 77D/70D/760D/750D/700D 650D/600D, 550D/500D, 400D, 100D/1100D/1200D/1300D. Notes, this Filter is not for EF-S camera Lens other attributes for the emission line 656nm transmittance of 85% or more;Precision CNC integrated molding;Multi-layers anti-reflection coating; Frame with high-quality aluminum alloy material, anodized extinction treatment Package Included： 1xSVBNOY EOS-C H-Alpha 7nm Filter 1xPP Material Plastic Box
Features & Highlights
- Optical high-precision double-sided polishing to ensure that the parallelism is higher than 30 inch and high flatness 1/4λ; to ensure that does not affect the image quality
- High cutoff the light damage and other stray light interference;electron gun evaporation technology
- Using germany imported glass;using double-sided polishing processing
- High uniformity planetary wheel coating fixture to improve the uniformity of the filter wavelength
- The narrow band filter;even in areas where light pollution is heavy;and the full moon (the moon's largest and brightest) is the same; very narrow bandwidth;which reduces the interference of the external environment
Lifetime warranty;we confidently promise lifetime warranty for each one form us
2.95 x 0.79 x 2.95 inches
3.3 x 0.9 x 7 inches
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