PhotoJoseph: LIVE UNBOXING: LUMIX 10-25mm f/1.7!! + Live Q&A

*my precious*…  itshereitshereitshere!! (And the ONLY reason I’m not unboxing it before the show is because I HAVE to finish something else first… and if I open this box… GAME OVER)

Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Aspheric wide to standard zoom lens, equivalent in 35mm sensor terms to 20mm to 50mm, excellent for documentary moviemaking and stills photography.


“Five prime lenses in one”, stated a Japanese Panasonic executive when announcing the unique Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Aspheric onstage a while back and I am hoping he was right about that.

If Panasonic has managed to achieve top-end prime lens quality and lack of optical distortion right throughout the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Aspheric’s focal length range, especially at its wide end, I will be well-pleased.

Lenses equally useful for stills and video work need to permit attaching screw-in fixed and variable neutral density filters and protective UV filters, which this lens permits via its 77mm filter diameter, easily stepped up to 82mm via a step-up ring such as the excellent knurled brass step-up rings made by Breakthrough Photography.

Ultra-wideangle lenses need to be distortion-free when tracking subjects walking through cityscapes and interiors packed with parallel horizontal lines to avoid the sometimes comical but mostly annoying, visually cloying, effect of those horizontals bending and unbending as the camera follows the figure.


Cameralab’s review of the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Aspheric seems to indicate some degree of barrel distortion but I want to see more analysis and examples of the lens at its wide end, especially when shooting amongst skyscrapers and interiors.

I look forward to PhotoJoseph and other well-qualified reviewers looking into this soon.


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  • Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. Lens B&H