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Alstar 2 inch Moon/Skyglow Filter - Moon Filter for 2 inch Eyepiece Accessory, Telescope, Great for Full Moon Observing

KWD 7
Brand
A ALSTAR
Category
Telescopes
Weight
45 g
– 1 +

Special Features

  • By rejecting most other light this will cause certain objects to appear more clearly against a blacker background of space.
  • Very high light transmission exceeding ninety five (95) percent of that light some the portions of the spectrum - while blocking unwanted skyglow and many street light emissions.
  • It enhances contrast of all reddish details and so this filter can also be used for planetary viewing, as well as of blue details.
  • The filter is made with a special Neodymium glass that effectively filters out selective wavelengths of low-pressure sodium and other man-made sources typically used in street lighting.
  • The Moon & Skyglow is a multi-bandpass filter transmitting a high percentage of light in the visual spectrum.

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