Panasonic Leica DG Summilux 25mm f/1.4 ASPH Micro 4/3 Lens

Model #H-X025

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Weight 7.05 oz (200 g)
Dimensions (DxL) Approx. 2.48 x 2.15" (63 x 54.5 mm)
Filter Thread Front:46 mm


Format Compatibility Micro Four Thirds
Angle of View 47°
Minimum Focus Distance 11.81" (.3 m)
Magnification 0.11 - 0.22x
Focal Length 25mm
Comparable Focal Length: 50 mm
Diaphragm Blades 7
Elements/Groups 9/7
Aperture Maximum: f/1.4
Minimum: f/16
Camera Mount Type Micro Four Thirds


Tripod Collar No
Autofocus Yes
Image Stabilization No
User Reviews
B h photo.34921152
15 December 2016

I bought this lens to go with my Olympus OMD M1 MFT travel kit specifically as the lens for low light conditions. I also have the Leica Summilux lens on the Panasonic LX100 and have been very impressed. So far this new MFT lens has not disappointed. Build quality is very good.

21 April 2016

This is an awesome lens. I have the m 4/3 version as well but I like this one better. Only con is the weight and size but the built quality is second to none.

B h photo.34921152
27 May 2018

I had very high expectations when purchasing this lens and I'm happy to say it exceeded those expectations. I read so many great reviews about this lens that I knew it would be the one I got when I got my GH-4 and it did not disappoint.

13 January 2013

It could be my fav lens among all 4/3 AND M4/3 lens as well, the only thing hold it back for that is the size. But I can't complain about that, all DLSR lens with auto-focus are big, and this one's build quality is really really good.

B h photo.34921152
3 November 2017

I use this lens for pretty much everything I shoot, landscapes, people, night time lapses with the milky way, and crossfit sports. Except for far away sports, I always try to use this lens because the images and the videos are always spectacular.

17 August 2012

I rented this piece for a couple of weeks to knock out a couple weddings and some portrait sessions using my Olympus E-3. Let me start by saying that it's an impressive performer and will give you tack sharp images all the way down at f/1.4.

B h photo.34921152
15 July 2015

Great walk around lens, fast focus and fast aperture, color saturation very Leica like. Designed by Leica and Panasonic built in Japan makes for an excellent lens at an affordable price.

20 April 2012

This lens provides beautiful bokeh and is sharp everywhere. A fantastic lens, I'm happy to see Leica will be producing one for the micro 4/3 mount as well.

B h photo.34921152
31 December 2014

My primary weapon is my E-M1 with grip loaded with either the 12-40 F2.8 or my new behemoth 40-150 F2.8. But I also carry an E-M5 loaded with a prime lens for targets of opportunity at weddings and indoor events. For all things indoor natural light, this lens is my goto glass.

31 August 2010

If you're looking at this lens, you know what it is. It's a classic, standard angle, fast prime lens. The low light performance at f/1.4 is great. AF speed is slow though on my E-600. I believe the internal mechanism on the lens itself is slow.

Product Highlights
  • F1.4 Brightness for Shallow Focus
  • Low Distortion, Chromatic Aberration
  • UHR (Ultra High Refractive) Lens
  • Reduced Ghost and Flare for Clear Photos
  • Circular Aperture Diaphragm
  • Durable Metal Mount
In The Box
  • Panasonic Leica DG Summilux 25mm f/1.4 ASPH Micro 4/3 Lens
  • Front Lens Cap
  • Rear Lens Cap
  • Lens Hood
  • Lens Storage Bag
  • Limited 1-Year Warranty
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