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APOchromatic Tubes

Apochromatic optical tubes are apochromatic refractors designed to provide superior color correction compared to achromatic systems. By using special low-dispersion glass elements and advanced optical designs, chromatic aberration is significantly reduced, resulting in high-contrast, color-accurate images.

They are particularly suited for deep sky astrophotography and high-quality visual observation, where optical precision, sharpness and aberration control are essential.

Why choose an apochromatic refractor?

An apochromatic refractor uses ED or equivalent low-dispersion glass to bring multiple wavelengths to the same focal point, virtually eliminating color fringing even on high-contrast targets such as the Moon and planets.

In astronomical astrophotography, this results in pinpoint stars, natural color reproduction and easier post-processing. When paired with dedicated field flatteners or focal reducers, apochromatic optical tubes represent one of the most balanced solutions for medium and wide-field imaging.

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