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Experience astronomy with BRESSER

Large selection of telescopes and accessories - for beginners and professionals


Single polarising filter for use on the Lunt Solar Systems 1.25'' Herschel wedge.
39,90 € * Shipping Weight 0.4 kg
Single polarising filter for use on the Lunt Solar System 2'' Herschel wedge.
55,00 € * Shipping Weight 0.4 kg
Sale
Color Filter Set Essential 1,25" Red,Green,Blue,Yellow
Color Filter Set Red,Green,Blue,Yellow
9,90 € 5,00 € * Shipping Weight 0.03 kg
Sale
EXPLORE SCIENTIFIC 1.25" CLS Nebula Filter
With this filter the observation of deep sky objects is made much easier by filtering the interfering light
58,00 € 40,00 € * Shipping Weight 0.26 kg
Sale
EXPLORE SCIENTIFIC 1.25" Filter Grey ND0.9
EXPLORE SCIENTIFIC 1.25" ND0.9 Gray Filter reduces brightness and increases contrast for accurate observation of bright objects
25,00 € 18,00 € * Shipping Weight 0.035 kg
Sale
EXPLORE SCIENTIFIC 1.25" H-Alpha Nebula Filter 12nm
The EXPLORE SCIENTIFIC H-Alpha filter allows photography of red glowing emission nebulae; ideal for use near cities, in slightly light-polluted skies.
115,00 € 58,00 € * Shipping Weight 0.26 kg
Sale
EXPLORE SCIENTIFIC 1.25" H-Alpha Nebula Filter 7nm
The EXPLORE SCIENTIFIC H-Alpha filter allows photography of red glowing emission nebulae; narrow band version with 7 nm to increase contrast even in difficult urban conditions.
159,00 € 99,00 € * Shipping Weight 0.26 kg
Sale
EXPLORE SCIENTIFIC 1.25" H-Beta Nebula Filter
The high-quality Explore Scientific H-beta filter allows the observation of low-light deep sky objects
99,00 € 50,00 € * Shipping Weight 0.26 kg
With the high-quality EXPLORE SCIENTIFIC O-III fog filter, observing low-light deep sky objects is much easier
79,00 € * Shipping Weight 0.26 kg
Sale
EXPLORE SCIENTIFIC 1.25" O-III Nebula Filter 6.5nm
The EXPLORE SCIENTIFIC O-III filter allows the accurate observation of low-light deep sky objects; narrow band version with 6.5 nm to increase contrast even in difficult urban conditions.
159,00 € 80,00 € * Shipping Weight 0.26 kg

Telescope-Filters

Filters are a popular tool in the field of solar and planetary observation. They increase the contrast for certain details that are poorly or not at all to see without a filter. Basically, there are two problems with the observation: (1) over-exposure, the boundary between two regions of the observed object with different brightness "fraying" or simply blurred because the eye is overwhelmed with the contrast in bright light; and (2) adjacent areas have similar coloring, but only small differences in intensity. Both effects cause that the combination of eye-brain can no longer separate details and thus tries to show both objects as a single one.

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