Imaging recource: Best lenses for astrophotography: The ultimate guide from Lonely Speck

    Astrophotography is a particularly demanding genre of photography that emphasizes a distinct set of qualities and characteristics of lenses. Qualities such as autofocus speeds (or being capable of autofocus at all) and sharpness when stopped down become less important, whereas characteristics such as having a focus scale and the amount comatic aberration are given utmost importance. This can make shopping for a lens for astrophotography difficult, as traditional lens reviews may not hit on the factors important to star-gazing...
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