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Astronomik 2" Pro Planet742 IR Filter

Astronomik 2" Pro Planet742 IR Filter

£75.00

  • Used
  • 9966
  • 1 In Stock
This item is in very nice used condition

The Astronomik UHC (Ultra High Contrast) filter allows transmission of almost 100% of radiation from both O-III and H beta, and 96% of H-alpha.

Though the second window for the H-alpha-line is not intended for visual observing, it is important when the filter is used with an imaging camera.

All scattered light from other wavelengths, including most artificial light pollution, is filtered out. This reveals a wealth of detail when observing gas nebulae and planetary nebulae.

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