Panasonic's ultra-wide MFT prime — the Leica DG Summilux 9mm f/1.7 with outstanding speed.
The Leica DG Summilux 9mm f/1.7 ASPH. is an ultra-wide prime for Micro Four Thirds providing an 18mm equivalent at f/1.7. The Summilux designation and Leica co-design ensure premium optics. At f/1.7 and 18mm equivalent, it provides exceptional speed for an ultra-wide — enabling astrophotography and low-light work on MFT.
Optical performance is very good. Sharpness is excellent. The f/1.7 at 18mm equivalent provides speed unprecedented for an MFT ultra-wide with AF. The Summilux designation ensures premium rendering. The fast aperture enables astrophotography on MFT — a capability previously requiring adapted manual lenses. Aspherical elements provide excellent correction.
Micro Four Thirds mount. Filter thread is 55mm — compact for an ultra-wide. Weight is approximately 130 grams — extremely light. Build quality is good with dust and splash resistance. AF is fast. The combination of 18mm equivalent, f/1.7, AF, and 130 grams is remarkable. Close minimum focus of 10cm.
Limited availability. Check AF and clean optics. An outstanding ultra-wide for MFT — the f/1.7 at 18mm equivalent with AF in 130 grams is extraordinary. Enables astrophotography on MFT with AF convenience. The Leica Summilux quality ensures premium rendering. One of the most impressive MFT lenses released.