USED - ZWO 1.25″ ADC (Atmospheric Dispersion Corrector)

USED GEAR INFORMATION This ADC is in good condition. prisms appear clean Product Description ZWO Atmospheric Dispersion Corrector is used to reduce the effect of atmospheric dispersion on lunar and planetary images The prisms are the heart of the ADC Material: H-K9L(Schott BK7) Surface Accuracy: λ/10@632.8nm Deviation Angle: 2° 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 Jupiter from Emil with ASI174MM and ZWO ADC