Fast and versatile, the Leica DG Summilux 15mm f/1.7 ASPH. from Panasonic is a 30mm equivalent wide-angle lens for Micro Four Thirds mirrorless cameras. Its bright f/1.7 maximum aperture benefits working in low-light conditions and also avails greater control over the focus position for shallow depth of field and selective focus techniques. Intuitive control over the aperture selection is also possible through the use of the manual aperture ring. In regard to focus, an internal focusing system with a stepping AF motor promotes fast, quiet, and smooth performance. The optical design incorporates three aspherical elements to reduce distortion and spherical aberration for sharper imagery with greater overall clarity. Additionally, a Nano Surface Coating has been applied to lens elements to suppress lens flare and ghosting for more contrast-rich, color-neutral photos and movies.
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Key Features
- Micro Four Thirds Lens System
- 30mm (35mm Equivalent)
- Aperture Range: f/1.7 to f/16
- Three Aspherical Elements
Fast and versatile, the Leica DG Summilux 15mm f/1.7 ASPH. from Panasonic is a 30mm equivalent wide-angle lens for Micro Four Thirds mirrorless cameras. Its bright f/1.7 maximum aperture benefits working in low-light conditions and also avails greater control over the focus position for shallow depth of field and selective focus techniques. Intuitive control over the aperture selection is also possible through the use of the manual aperture ring. In regard to focus, an internal focusing system with a stepping AF motor promotes fast, quiet, and smooth performance. The optical design incorporates three aspherical elements to reduce distortion and spherical aberration for sharper imagery with greater overall clarity. Additionally, a Nano Surface Coating has been applied to lens elements to suppress lens flare and ghosting for more contrast-rich, color-neutral photos and movies.
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Panasonic Leica DG Summilux 15mm f/1.7 Overview
Prime wide-angle lens is designed for Micro Four Thirds mirrorless cameras and offers a 30mm equivalent focal length.
Fast f/1.7 maximum aperture benefits working in difficult lighting conditions and is also useful for controlling depth of field for selective focus applications.
Three aspherical elements help to reduce spherical aberration and distortion to produce sharp, clear imagery.
A Nano Surface Coating minimizes surface reflections throughout the entire visible spectrum for maintained contrast and color fidelity with a marked reduction in lens flare and ghosting.
An internal focusing system, coupled with a stepping AF motor, results in fast, smooth, and precise focusing performance that is well-paired to both still shooting and movie recording.
Metal lens barrel is accentuated by a dedicated MF/AF switch and an aperture ring for more direct, intuitive operation.
Rounded seven-blade diaphragm contributes to a pleasing bokeh quality.
UPC: 885170200814
Panasonic Leica DG Summilux 15mm f/1.7 Specs
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Panasonic Leica DG Summilux 15mm f/1.7 Reviews
Fantastic Wide-ish Angle Lens
By Francois
Rated 5 out of 5
Date: 2025-12-22
I waited a bit before writing this review because I wanted to make sure I had plenty of time to make an informed report. This lens blew away all my expectations. I'm a decades-long Pentax shooter, and my favorite combination for street shooting was the K-1 with a 31mm F1.8 Limited. Now that I've switched system to Lumix m4/3, this 15mm F1.7 lens on my GH7 seemed like the closest equivalent, and I'm not disappointed at all. Extremely sharp where it needs to be, excellent out-of-focus rendering, very small and light, a genuine pleasure to work with. The color rendering is very pleasing. I also tried it in a studio setting for a bit, and while it's a little wide for that, it worked extremely well. Auto-focus is lightning-fast and super reliable, and low-light performance was plenty adequate. I was very apprehensive to be switching from Pentax with all my favorite selections of prime lenses, but if this is what the dark side has to offer, it seems I won't be missing out on anything after all.
A lens to love
By Russ
Rated 5 out of 5
Date: 2025-07-31
Sharp fast focusing and a great look. Love it on my Olympus om-1ii
See any errors on this page?
What is the difference between the H-X015 and ...
What is the difference between the H-X015 and H-X015K?? K??
Hi, Chris! The last letter is usually for the color, which in this case is Black. -M
Date published: 2021-09-13
Is the lens body metal or plastic?
Is the lens body metal or plastic?
Hello! It uses both. For larger lens, plastic is often used to decrease weight. -C
Date published: 2023-05-25
question
Other than the fact that it can be open as wide as f1.7 is the IQ, let's say around 5.6-16, which is what is most of the time used for landscapes much better than what the kit lens 14-42 delivers? In other words, inside a building it's going to be great to have 1.7, but to film a big field with horses with mountains in the background in broad daylight, how much better is it going to be than the kit lens?
If you shoot both lenses at the same f/stop, say f/5.6, and then look critically, the Leica DG Summilux 15mm prime lens will be better for two reasons:1.It is a prime lens. By its nature of being a lens with fewer glass elements, it will have superior sharpness, contrast and color as well as more pronounced bokeh and smaller size. 2.The build quality of the Lumix G Vario 14-42mm is good but the build quality of the Leica DG Summilux 15mm is better. A closer comparison would be the Leica DG Summilux 15mm vs the Panasonic Lumix G X Vario 12-35mm f/2.8 II ASPH. POWER O.I.S. Lens B&H # PA123528A. There the image quality difference is less and the consideration comes down to do you want the mm focal range convenience of the zoom or the increased bokeh and smaller size of the prime lens. For landscapes, I would definitely prefer the Leica DG Summilux 15mm over the Lumix G Vario 14-42mm.
Date published: 2022-11-16
question
What is country of manufacture for this lens ?
The lens I just received today was manufactured in China.
Date published: 2026-02-19
question
I am concerned about the sun flares and direct light?Any theories!!
This lens does include a hood which will help block out stray light to prevent flares.
Date published: 2024-10-15
Is this a servo lens? (meaning can it be zoomed ...
Is this a servo lens? (meaning can it be zoomed electronically)
This is not a zoom lens.
Date published: 2021-05-31
question
I'm having a hard time finding a follow focus ring that works with this lens as it is so small the focus ring sits under the little hood that comes out on top of the Gh4. Anyone else find a good solution to add a follow focus ring to this lens on a Gh4? Any help would be much appreciated.
You might try the Zacuto Z-ZG-16 ZipGear, as it has a lower profile than other gear rings. Then for a follow focus, you could look at the Redrock Micro microFollowFocus Black. It has a flippable gear box, which would allow it to connect to a focus ring that is closer to a camera body.
Date published: 2024-04-30
question
Does this lens work in variable frame rate mode in 60p on Gh4?
this would be an excellent lens for video on the GH4 and would have no effect over your ability to use variable frame rate.
Date published: 2018-08-25