Feature

●High cutoff the light damage and other stray light interference
●Using Germany imported glass, using double-sided polishing processing;carton PP environmentally friendly materials, simple and beautiful
●For the emission line 656nm transmittance of 85% or more;lined with double-layer EVA damping cotton
●The narrow band filter,even in areas where light pollution is heavy,and the full moon (the moons largest and brightest) is the same,very narrow bandwidth, which reduces the interference of the external environment,but the haze and cloudy the weather is not possible
●Precision CNC integrated molding;multi layers anti reflection coating;frame with high-quality aluminum alloy material;anodized extinction treatment


Description

H-Alpha 7nm H-Alpha 7nm

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

features

high precision double sided polishing

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

H-Alpha 7nm H-Alpha 7nm

Polarizing Filters are made from optical glass

Polarizing Filters are made from optical glass designed to reduce the amount of light entering the eyepiece. Increase the contrast of the image.

H-Alpha 7nm H-Alpha 7nm

Laser engravin

Laser engraving will make the logo not disappear easily, and it will make the filter look as new as ever.

H-Alpha 7nm H-Alpha 7nm

Come with a PP Material Plastic Box

Lined with double-layer EVA damping cotton to protect your filter.

Carton PP materials, simple and beautiful

H-Alpha 7nm H-Alpha 7nm

Metal frame, superior aviation aluminum

The frame of the filter is made of high-quality aviation aluminum. This will make the filter more durable and strong. It will stay with you for a long time.

Package Includes:

1x SVBNOY 2 inch H-Alpha 7nm
1x PP Material Plastic Box
Note: 7nm narrowband filter is not suitable for visual viewing. The human eye cannot capture such a narrow bandwidth band, and only a high-sensitivity camera can recognize it.
other attributes Precision double-sided optical coating,non-two-piece glue,effectively improve the transmittance and cut off depth
Glass Thickness 1.85mm
FF9169BFF9169B

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  10. SVBONYSVBONY

    We are SVBONY, a young and passionate team of astronomy and sports optics products. We start from 2014, and our team are working for R&D practical optical products for people who want to get involved in nature and space exploration. Our products include Astronomy Telescope, Astronomy Camera, Astronomy Accessories, Microscope and more.

    We sincerely hope that under the influence of SVBONY, more people will fall in love with exploring the starry sky

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    Why do we love what we do?

    We do think optics products are practical and educational, which connects people to the world, not just for a small part of person, but for everyone. SVBONY leads us to a more beautiful world which we usually can’t see, and we want to bring this beauty to everyone.

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