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Astronomik UHC Filter - 50 mm Square - UHC-50SQ

SKU: ASF-UHC-50SQ

Regularly stocked item that is on order with the manufacturer and on its way to our warehouse. Expected to arrive within 5-10 business days.

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Our price: $249.95
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Astronomik UHC Filter - 50 mm Square




  • An excellent visual filter designed for broad-band deep sky viewing, this Astronomik UHC filter features a 50 mm square format
  • Designed with the highest technical principles in mind to provide the superior optical performance you desire for deep sky observing
  • An abundance of extra gas and planetary nebulae detail can be seen due to a near 100% transmission of H-Beta and OIII lines
  • Multi-layer coatings on all Astronomik filters offer complete protection from the impacts of scratching, aging, and high humidity
  • German-designed for superb optical quality!




More About the Astronomik 50 mm Square UHC Filter




Designed for visual deep sky observation, the Astronomik UHC Filter allows nearly 100% of H-beta and O-III lines to get through, while blocking scattered light from other wavelengths. Plus, a second bandpass for the H-alpha line ensures it also reaches the eye. Because of the strong reduction of the sky background, gas and planetary nebulae are visible with a surprising abundance of detail. The Astronomik UHC Filter offers sufficient light for satisfactory observing of deep sky objects with smaller telescopes thanks to its high transmission.



Optimized for use with telescopes that have focal ratios of f/4 to f/15. Unlike other filters on the market, loss of transmission and color displacement only occurs with this filter when extremely fast focal ratios of f/3 or less are involved. Astronomik UHC filters work with 2" aperture instruments and above, but work particularly well with 5" apertures and larger. Compared to UHC filters sold by other manufacturers, the Astronomik UHC filter shows you more stars along with more nebula detail, and because of the high quality of the glass, you will be able to see stars as small pinpoints.



Astronomik UHC filter coatings are fully sealed making it impervious to moisture. The transmission characteristics of this filter are continually maintained and do not alter with time. The coatings are so hard that procuring even the tiniest of scratching would require rubbing them with sandpaper on purpose! Scratching them by mistake is simply not possible. All Astronomik filters are delivered with a long-lasting plastic storage container of supreme quality.



Transmission Specifications



  • 99+% transmission at 486 nm (H-beta)
  • 99+% transmission at 496 nm (OIII)
  • 99+% transmission at 501 nm (OIII)
  • 96% transmission at 656 nm (H alpha)
  • Blocks unwanted wavelengths
Description
Description

Astronomik UHC Filter - 50 mm Square


  • An excellent visual filter designed for broad-band deep sky viewing, this Astronomik UHC filter features a 50 mm square format
  • Designed with the highest technical principles in mind to provide the superior optical performance you desire for deep sky observing
  • An abundance of extra gas and planetary nebulae detail can be seen due to a near 100% transmission of H-Beta and OIII lines
  • Multi-layer coatings on all Astronomik filters offer complete protection from the impacts of scratching, aging, and high humidity
  • German-designed for superb optical quality!


More About the Astronomik 50 mm Square UHC Filter


Designed for visual deep sky observation, the Astronomik UHC Filter allows nearly 100% of H-beta and O-III lines to get through, while blocking scattered light from other wavelengths. Plus, a second bandpass for the H-alpha line ensures it also reaches the eye. Because of the strong reduction of the sky background, gas and planetary nebulae are visible with a surprising abundance of detail. The Astronomik UHC Filter offers sufficient light for satisfactory observing of deep sky objects with smaller telescopes thanks to its high transmission.

Optimized for use with telescopes that have focal ratios of f/4 to f/15. Unlike other filters on the market, loss of transmission and color displacement only occurs with this filter when extremely fast focal ratios of f/3 or less are involved. Astronomik UHC filters work with 2" aperture instruments and above, but work particularly well with 5" apertures and larger. Compared to UHC filters sold by other manufacturers, the Astronomik UHC filter shows you more stars along with more nebula detail, and because of the high quality of the glass, you will be able to see stars as small pinpoints.

Astronomik UHC filter coatings are fully sealed making it impervious to moisture. The transmission characteristics of this filter are continually maintained and do not alter with time. The coatings are so hard that procuring even the tiniest of scratching would require rubbing them with sandpaper on purpose! Scratching them by mistake is simply not possible. All Astronomik filters are delivered with a long-lasting plastic storage container of supreme quality.

Transmission Specifications

  • 99+% transmission at 486 nm (H-beta)
  • 99+% transmission at 496 nm (OIII)
  • 99+% transmission at 501 nm (OIII)
  • 96% transmission at 656 nm (H alpha)
  • Blocks unwanted wavelengths
Specifications
Specifications
Model Number UHC-50SQ
Single Filter, Set, or Accessory Single Filter
Filter Type UHC
Filter Size 50 mm
Filter Shape Square
Filter Insert Style Drop-In
Filter Optical Thickness 1 mm
Warranty Astronomik 10 Years
What's in the Box?
What's in the Box?
  • Astronomik UHC Filter - 50x50 mm

  • Plastic Storage Case
  • Astronomik 50x50 mm UHC Filter
  • Astronomik UHC Filter Transmission
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  • Fast Shipping, Same or Next Day: You made the commitment to purchase, now you want that new item fast, we get it! At High Point all in stock orders ship within 24 hours, pending internal credit card approval.Read more ...
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  • 30 Day Return Policy: Ordered the wrong product? Don't worry, we'll take the majority of our products back within 30 days of the purchase date.We want to get you into the observing setup that bests fits your needs. Read more ...
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