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2" H-Alpha Filter - 35nm - Baader

113,45 EUR
excl. VAT
excl. 4,11 € Shipping costs


Baader 35nm H-Alpha filter 2" H-Alpha Pass Filter - 35nm - for nebula photography with high contrast
# 2458380

The Baader H-Alpha pass filter with 35mm bandwidth is very suitable for capturing H-2 regions. Even "slow" systems with f/7 or f/8 receive enough light through this filter allowing moderate integration times.

Filter substrate thickness: 2 mm

Perfect deep-sky photos with fast Fraunhofer refractors:

From the common point of view, achromatic refractors are not very suitable for astro photography. Their false colour enlarges the star diameters causing unsharp pictures.

With the H-Alpha pass filter, stars remain pinpoints because not only the disturbing urban straylight is completely supressed but also the false colour of fast achromatic telescopes. Just try it out, you will be impressed. Of course this is only valid for monochrome cameras or the red channel of RGB imaging.

Baader 35nm H-Alpha filter transmission curve

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