Lens Focal Length and F-stop | Digital Camera Know-Hows | Digital Camera | Digital AV | Support | Panasonic Global
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What is Focal Length? (And Why it Matters in Photography!)
Sybren A. Stüvel on Twitter: "The difference a camera lens focal length has on faces. This is also relevant for 3D scenes in general. Pick the right focal length for your scene!
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What is Focal Length in Photography? - Focal Length Explained