Voigtländer Nokton 40mm f/1.2 Aspherical

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Prime lens

A prime lens by Voigtländer for Full frame cameras, 40mm f/1.2.

What it frames like

Its full-frame-equivalent focal length on the sensor it was made for.

How wide 40mm sees on each sensor it covers.

f/1.2 wide open, to scale against f/1.4.

On full frame (Sony E, Nikon Z, Canon RF, Leica M): as marked, 40mm.
On APS-C (Sony E, Nikon Z): like 60mm on full frame; f/1.2 gives about the depth of field of f/1.8 there.
On APS-C (Canon) (Canon RF): like 64mm on full frame; f/1.2 gives about the depth of field of f/1.9 there.