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SVBONY SV132 Telescope Filter, 2-inch H-Beta Narrowband Filter for Nebulae in Dark Skies
The previous page of the brand Observation Discovery & Exploration features a Planetary photograph and Planetary visual with a Universal Smartphone Adapter and Deep Sky Visual Zoom Eyepiece Telescope Filter Telescope Camera.
The next page includes the product description for a large-aperture H-Beta telescope filter. The package specification includes details such as Type, Size, Substrate, Substrate Thickness, Wavelength Range, CWL, FWHM, T peak, Blocking, Clear Aperture, Surface Quality, Surface parallelism, Parallelism, and Net Weight. This 2" Eyepiece Filter with metal mount 2" filter threads is designed for the Horsehead Nebula California and Cocoon Nebulae in Dark Skies.
It is mainly aimed at the 486nm (blue) line spectrum nebula and filters out the interference of other light, improving the contrast of the nebula. Through the use of filters, the Horsehead Nebula can be clearly seen, thanks to the filter with metal mount 2" filter threads, which are threaded to fit 2" eyepieces and threaded diagonal barrels.
To see a sufficiently dark nebula, it is important to ensure a large enough luminous flux and to observe it with a large-aperture telescope.
product information:
| Attribute | Value | ||||
|---|---|---|---|---|---|
| product_dimensions | 2.9 x 0.7 x 2.9 inches | ||||
| item_weight | 0.704 ounces | ||||
| item_model_number | FCAW9102B | ||||
| customer_reviews |
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| best_sellers_rank | #78 in Telescope Filters | ||||
| date_first_available | May 14, 2021 | ||||
| manufacturer | SVBONY | ||||
| country_of_origin | China |
