The perfect camera lens for astrophotography, the Canon RF 15-35mm f/2.8L IS USM is now $400 off with this Black Friday deal. When you purchase through links on our site, we may earn an affiliate ...
At 15mm, central sharpness is outstanding at f/2.8 and f/4, excellent from f/5.6 to f/16 and very good at f/22. The edges are very good at f/2.8, excellent from f/4 to f8, very good at f/11 and f/16 ...
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