ZWO ADC Atmospheric Dispersion Corrector Askar FRA600 Based on 433MHZ radio-frequency

Based on 433MHZ radio-frequency

Objective lens diameter (mm)

even in the Ha channel where it remains above 60%

Anyone wanting one of the finest one-shot colour astronomy cameras currently available

The optical tube assembly features a durable ivory-white finish with green accents

ZWO ADC Atmospheric Dispersion Corrector Askar FRA600 Based on 433MHZ radio-frequencyZWO ADC WAS VOTED AS HOT SKY PRODUCT 2017 BY SKY&TELESCOPE MAGAZINE! The first ADC made by amateur astronomers for amateur astronomers! A must have for serious planetary observers and photographers The ZWO Atmospheric Dispersion Corrector is a good alternative to more expensive similar devices for observing and imaging objects at low altitude. The inner planets are always very near to the horizon therefore they cannot be observed at high altitudes.