ZWO ADC is voted as  "HOT SKY PRODUCT – 2017” by SKY&TELESCOPE magazine!

ZWO Atmospheric Dispersion Corrector is used to reduce the effect of atmospheric dispersion on lunar and planetary images

The prisms are the center of the ADC

Material: H-K9L(Schott BK7)

Surface Accuracy: λ/[email protected]

Deviation Angle: 2°

Manufactured with a UV-friendly AR-coating

Martin Lewis tells you what an ADC is and why do we need it?How to use it?

Here is a review of ZWO’s ADC by Martin Lewis.

Some test images show the difference between using ADC and without ADC