Dark Clear Skies

Svbony SV132 H-Beta Filter 25nm

£65.99

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Svbony SV132 H-Beta Filter

Features:

1.CNC machined and black anodized aero-metal filter cell that is ultra-thin to provide largest clear aperture 2.Laser-engraved to prevent fading 3.Multiple layers of anti-reflection non-cementing coatings applied via electron-beam gun evaporation with Ion-assisted deposition 4.Filter substrate is fine-optically polished to 1/4 wave and <30 parallelism over both surfaces 5.High value transmission of pass-band and optical density of off-band is assured through planetary rotation system, a homogenous and precise coating procedure 6.Each filter comes with a plastic case with high pressure EVA case lining 7.Best used with a moderate to large aperture telescope and clear, dark skies

WARNING:

The filters are not designed for sun observation.

DO NOT LOOK AT THE SUN WITH this FILTER. 

Package Includes:

SV132 1.25" H-Beta Filter

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Svbony SV132 H-Beta Filter 25nm

£65.99