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Home > Solar Observation > Solar Filters > Filter Foils & Solar Glasses > Baader > AstroSolar > Baader Astro+solarly sun filter foil, max. Grïoesse, 1170x1170mm, telescope quality, lp: 5.0

Baader Astro+solarly sun filter foil, max. Grïoesse, 1170x1170mm, telescope quality, lp: 5.0

Product no.: 10925
Manufacturer: Baader

$ 308.00

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Product description:

Please note: This product is currently not available in the US.

It's always very pleasant to observe the Sun, not only during solar eclipses. The number of sunspots changes permanently, as well as their shape and size. Depending on magnification, you may even be able to discern the core and boundary areas of a sunspot (umbra and penumbra). The one essential condition for any solar observation is to reduce the sunlight to under 1/100.000 of its normal brightness, which is a no risk amount for the eyes. The Astro-Solar sun filter foil meets that standard. Simply fitted to the front of the telescope tube, this foil doesn't fall short of pricey plane-parallel glass filters in any way. The coating is subjected to permanent quality control. The multiple metal coating of the foil produces a remarkably even filter effect.

Technical data:

  • film size: 1170 x 1170 mm
  • filter efficiency: 99.999 % (ND = 5.0)
  • film thickness: 0.012 mm
  • absolutely clear and bubble-free substrate (non-Mylar)
  • instrument requirements: for telescopes, binoculars, spotting scopes and eyeepieces of up to 152mm aperture
  • quality mark: CE

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20.05.2019
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