Hands-on with the Panasonic Leica 8-18mm F2.8-4

Panasonic has announced the second member of its Leica DG Vario-Elmarit F2.8-4 series of lenses: an ultra-wide 8-18mm (16-36mm equivalent) that offers fields of view ranging from as wide as 107 degrees down to 62 degrees.

The lens’s metal construction feels sturdy, with a smooth zoom action. It is dust and splash-proof, and freeze-proof down to -10℃.

The optical design comprises 15 elements in 10 groups. To combat chromatic aberration and spherical distortion the lens features an aspherical extra-low dispersion element, three aspherical elements, two extra-low dispersion elements and one ultra high refractive index element.
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https://www.dpreview.com/news/6159105527/hands-on-with-the-panasonic-leica-dg-vario-elmarit-8-18mm-f2-8-4