Photography blogger Lau offers a plain-English explanation of two of the most confusing concepts in photography: aperture and focal length. A highlight: Lenses with larger apertures are faster because ...
Replay: Do we really need to keep using 35mm as our baseline for focal lengths, or is there a much better way? Why do we keep reading descriptions like ‘3.7 mm to 92.5 mm (equivalent to 28.8 mm to 720 ...
The Panasonic 15mm f/1.7 Leica Summilux DG ASPH is a great little lens for nature subjects — including astrophotography — thanks to a 30mm equivalent focal length and great image quality. Why you can ...
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