Sky-Watcher has introduced a new line of ED doublet apochromatic refractors, the Evolux series, with 62mm and 82mm models, both f/6.45. Lenses are composed...
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Sky-Watcher has introduced a new line of ED doublet apochromatic refractors, the Evolux series, with 62mm and 82mm models, both f/6.45. Lenses are composed...