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SV199 1.25'' ADC Atmospheric Dispersion Corrector

SKU: W9157B
Regular price US$ 135.99 US$ 155.99 (12% off)

2022 New product! Rich details and fine CNC machining. Solve the Dispersion problems of planets at low angles position.

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Great addition for planetary

The ADC is very simple to use, just adjust the prism dials until the color fringing is gone. Where I'm at the planets are always low on the horizon, so this is perfect for fixing the atmospheric dispersion that I have to deal with.
Model  SV199
Surface Accuracy 1/4λ
Camera/eyepiece side 1.25" barrel + T2 male
Telescope side 1.25" barrel
Optical aperture 24mm 
Prism BK7
Lateral surface Blackened for improved contrast
Coatings Anti-Reflective Brad-Band (300nm-700nm)
Deviation Angle 4.5 degree
Required back-focus  56.57nm
Net Weight 167g

  • The atmospheric dispersion corrector is born to increase the clarity of the planetary image by correcting the effects of dispersion of the earth’s atmosphere.
    The 2 high-quality 1/4λBK7 prisms with the fully-multi coated on each side act a pear performance in reducing the chromatic aberration. 
    The bubble level of the ADC is accurate to level the horizontal.
    A Barlow or planetary camera is permitted thanks to the 1.25” interface on two sides of the tube.

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