![SVBONY SV132 H-Beta Filter 25nm 1.25 inches Eyepiece Filter for Horsehead Nebula California and Cocoon Nebulae in Dark Skies : Amazon.ca: Electronics SVBONY SV132 H-Beta Filter 25nm 1.25 inches Eyepiece Filter for Horsehead Nebula California and Cocoon Nebulae in Dark Skies : Amazon.ca: Electronics](https://m.media-amazon.com/images/I/51siQQLtCXL._AC_SY355_.jpg)
SVBONY SV132 H-Beta Filter 25nm 1.25 inches Eyepiece Filter for Horsehead Nebula California and Cocoon Nebulae in Dark Skies : Amazon.ca: Electronics
![Narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through-Optolong Optics Co.,Ltd. Narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through-Optolong Optics Co.,Ltd.](https://www.optolong.com/uploads/images/20201125/c6985afa5412b452d95c07c7672b85ef.png)
Narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through-Optolong Optics Co.,Ltd.
![Filtro H-Beta de Ø 50,4 mm (5,5 nm) CMOS Optimized Baader Planetarium – Valkanik | Tienda Online de Telescopios Filtro H-Beta de Ø 50,4 mm (5,5 nm) CMOS Optimized Baader Planetarium – Valkanik | Tienda Online de Telescopios](https://valkanik.com/wp-content/uploads/2021/12/10122021193807416664.png)
Filtro H-Beta de Ø 50,4 mm (5,5 nm) CMOS Optimized Baader Planetarium – Valkanik | Tienda Online de Telescopios
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