Panasonic has officially announced the Leica DG Summilux 15mm F1.7 ASPH, a premium fast wideangle prime for Micro Four Thirds cameras. It offers an angle of view equivalent to 30mm on full frame, and features an aperture ring at the front of the barrel. It's also very small in diameter to match the tiny DMC-GM1 camera, with which it will be offered as a kit. It'll be available in black or silver from mid-June for $599/£549, with the GM1 kit costing £999.

Panasonic initially announced that it was planning on making this lens when it launched the DMC-GM1, and has shown it at recent trade shows including The Photography Show in the UK earlier this month

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Press Release:

Panasonic Announce New F1.7 High Speed Leica Summilux 15mm Lens to Allow Photographers to Capture Fashionable Defocused Reportage Pictures

Lens to be included in new GM1 kit, DMC-GM1L

24th March 2014 - Panasonic has unveiled a new digital interchangeable lens, the H-X015 LEICA DG SUMMILUX 15mm / F1.7 ASPH. (35 mm camera equivalent: 30 mm) for the LUMIX G range, based on the Micro Four Thirds standard, which is both compact and lightweight. 

The new LEICA DG SUMMILUX 15mm / F1.7 ASPH. allows photographers to capture supreme daily life pictures with beautiful bokeh.  Exceptional optical performance is assured with certification granted from the world-renowned LEICA.

The new lens system comprising of 9 elements in 7 groups uses 3 aspherical lenses. The aspherical lenses suppress spherical aberration and distortion effectively while enabling the lens unit to be made smaller. 

Panasonic's Nano Surface Coating technology is adopted to minimize the reflection at entire visual light range (380nm-780nm) resulting in the super clear picture quality by avoiding ghost and flare.

The lens incorporates a superior inner focus system, which enables excellent resolution and contrast from close-up to infinity. The inclusion of a newly developed stepping motor makes the focusing action smooth, silent and quicker for use in both photo and video recording. 

Notably the performance of AF is by far superior to the phase-difference AF when fast lenses with a smaller F value are used. It is also compatible with the sensor drive at max.240 fps to take maximum advantage of the high-speed AF of LUMIX G cameras.

The LEICA DG SUMMILUX 15mm / F1.7 ASPH. comes equipped with aperture ring and AF/MF switch for direct, intuitive operation.  Furthermore, the robust metal design of LEICA DG SUMMILUX 15mm / F1.7 ASPH., including the hood, is highly reliable and durable for repeated exchange of the lens.

New GM1 kit, DMC-GM1L

 The Panasonic Leica DG 15mm F1.7 ASPH on the DMC-GM1 

The LEICA DG SUMMILUX 15mm / F1.7 ASPH. is the perfect companion for Panasonic’s recently released LUMIX DMC-GM1 and will be available with this camera in a new kit (DMC-GM1L) giving the photographer a sophisticated style with the ‘Got To have It’ camera enabling creative high quality photography. 

The GM1 kit will be available in black from mid June priced £999.99 while the lens only will be £549.99 arriving early June. The lens will be available in black and silver.

Panasonic Leica DG Summilux 15mm F1.7 ASPH specifications

Principal specifications
Lens typePrime lens
Max Format sizeFourThirds
Focal length15 mm
Lens mountMicro Four Thirds
Aperture
Maximum apertureF1.7
Minimum apertureF16.0
Aperture ringYes
Optics
Elements9
Groups7
Special elements / coatings3 aspherical elements
Focus
Minimum focus0.20 m (7.87)
Maximum magnification0.1×
AutofocusYes
Motor typeStepper motor
Full time manualUnknown
Physical
Weight115 g (0.25 lb)
Diameter58 mm (2.26)
Length36 mm (1.42)
Filter thread46 mm

Additional images