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Pierro Astro ADC Atmospheric Dispersion Corrector - UV-version

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0.30 kg
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The Pierro Astro Atmospheric Dispersion Corrector (UV-version) is a revolution in observing and imaging objects. Through the use of 2 high quality minimum 1/10 Lamda silicate prisms, it corrects the false colour introduced by the earths atmosphere. When used for Planetary imaging it changes the clarity of the image dramatically, particularly in the Luminence channel when LRGB imaging.



  • Threads T2 Male and Female
  • Dimensions 30x48mm (HxD)
  • Optical Aperture 24mm Usable
  • Optics 2 Prisms
  • Deviation Angle Edge 2 Degrees
  • Surface Accuracy 1/10 ptv
  • Anti-Reflective Coating FMC Reflection of 0.5 percent 450-750nm (ADC)
  • Lateral Surface Blackened for improved contrast
  • Substrate High quality fused silica, transmission: 170nm to 2500nm (transmission of prisms also depends on anti-reflection coating) This version of the ADC has a standard bandwidth of 450-750nm, making it ideal for general solar system imaging.

The diagrams below show how the prisms reverse the colour separation caused be the atmosphere. For a more detailed explanation on the benefits of this 'wonder' product, please visit www.pierro-astro.co.uk for more details.

The atmosphere acts like a prism and separates the light from objects, particularly when low in the sky (image courtesy of Martin Lewis)

The ADC uses its adjustable prisms to re-combine colours separated by the atmosphere (Image copyright Astrograph Ltd)

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