Svbony SV132 1.25″ Telescopic Filter, H-Beta

Svbony SV132 1.25″ Telescopic Filter, H-Beta
Svbony SV132 1.25″ Telescopic Filter, H-Beta Svbony SV132 1.25″ Telescopic Filter, H-Beta Svbony SV132 1.25″ Telescopic Filter, H-Beta

Svbony SV132 1.25″ Telescopic Filter, H-Beta

Svbony SV132 1.25″ Telescope Filter, H-beta Filter, 25nm Narrowband Filter – Telescope accessory for visual observation of the Horsehead Nebula and the Crab Nebul
Manufacturer : Svbony
SKU : EUW9102A
Price: 75.00 € incl tax 19% (Germany)
Estimated delivery time : 1-2 weeks (valid for new orders)
Product description
  • The H-beta filter was developed for deep-sky observation; it is particularly useful for observing the Horsehead Nebula or, for example, the Cocoon Nebula
  • Svbony SV132 light pollution filters transmit over 90% of light in the H-B 486 nm range; the cut-off range is from 400 nm to 700 nm
  • The high-quality transmission of the passband and the optical density of the stopband result in a homogeneous and precise coating process
  • Every H-beta filter is individually tested, and each filter comes with a plastic housing featuring a high-pressure EVA lining
Products specifications
Technical Data
ModelW9102A
Size1.25''
Thread SizeM28.5*0.6
Blocking area400-700nm
Transmittance80% at 486nm
Transmission Hg0.1% at 435nm and 578nm
Transmission Na0.1% at 589nm
FWHM25±3nm
Thickness1.85mm

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