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SkyMaster 20x80 Binocular #71018
SkyMaster 20x80 Binocular #71018
$149.95
Color "Planetary" Basic Filter Sets 1.25inch # 05514
[15161]
$44.95
Color "Planetary" Basic Filter Sets 1.25inch # 05514

Color "Planetary" Filter Sets
Dramatically Improve Planetary Views and Photos Our color filters will enhance your view of the planets and Moon, enabling you to see more detail! They selectively increase the contrast between markings of different hues and reduce "irradiation," the smudging of boundaries between light and dark regions that results primarily from turbulence in the Earth's atmosphere. Indistinct features suddenly become distinct!

Orion color filters are made from high-grade Schott optical glass and vat-dyed for even color coating, and then given an anti-reflection coating. Their anodized aluminum cells are double-threaded to permit filter stacking and are labeled with their Wratten filter number. Available in 1.25" and 2" sizes.

Different Colors Enhance Subtle Surface Details
Orion Color Planetary Filter Sets

Planetary and lunar observation is almost always improved by the use of color filters. They bring out subtle details by selectively increasing the contrast among markings of different hues, and by reducing “irradiation,” the smudging of the boundaries between light and dark regions due primarily to turbulence in the Earth’s atmosphere.

With the right color filter, suddenly the indistinct, pale bands of Jupiter resolve into loops and festoons. Delicate markings appear on Saturn’s globe, and the Cassini and crepe divisions darken and solidify. Mars’ polar caps stand out like tiny pearls, and vague lunar rilles acquire greater depth and contrast. Bad “seeing” becomes acceptable; good seeing becomes superb!

Because many planets have a characteristic color (e.g., Mars is reddish), a color filter will reduce the predominant hues to enhance contrast and uncover hidden surface markings. That’s why “the Red Planet” is most effectively enhanced with a green filter!

Orion color planetary filters are the absolute best available. Made from high-grade Hoya optical glass, each is vat-dyed for even color distribution and then fully antireflection coated. The glass is held in an anodized aluminum cell labeled with the appropriate Wratten filter number. The cell is double-threaded to permit threading of the filter into the barrel of an eyepiece as well as the stacking of filters for additional filtration options.

Basic Set of Four Filters
Four of the most important filters. If you buy no other filters, buy these! Both 1.25" and 2" sets include new foam-lined hard case that holds all four filters!

#15 Deep Yellow Planetary Filter
  • red and orange features on Saturn, Jupiter, and Mars
  • contrast of lunar features
  • low-contrast cloud detail on Venus
#25 Red Planetary Filter
  • Martian surface details in large scopes
  • bluish cloud regions on Jupiter and Saturn
  • contrast of Mercury against blue sky
  • cloud definition on Venus
#58 Green Planetary Filter
  • contrast of blue and red structures on Jupiter (including Red Spot)
  • melt lines around Martian polar ice caps
  • Saturn's cloud belts
#80A Medium Blue Planetary Filter
  • details in Jupiter's cloud belts and Red Spot
  • high clouds and polar caps on Mars
  • lunar surface details
  • Venus cloud features

Due to our dealer agreement with Orion, this item can not be shipped outside the USA.

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This product was added to our catalog on Monday 11 September, 2006.
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CPC Deluxe 925 HD Computerized Telescope #11008
CPC Deluxe 925 HD Computerized Telescope #11008
$3,199.00
$2,799.00
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