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Panasonic Leica DG Summilux 15mm f/1.7 ASPH. Lens Review

This is my full review of the Panasonic Leica 15mm f1.7 prime lens for the Panasonic GH5 or any micro four-thirds camera. In this video, I will be testing the video capabilities of the Panasonic Leica 15mm f1.7 in all conditions including low light.

Please note: This lens was not a gift, I actually purchased it!

Time Codes:
0:00 – Why I purchased it and what is in the video
1:08 – About the Lens (feel/build quality)
2:42 – Lens swap to the Panasonic 15mm f1.7
3:01 – Panasonic 15mm f1.7 specs
3:58 – My test footage using a Pansonic G85 (bright outdoors)
6:20 – My test footage using a Panasonic GH5 (overcast day)
8:45 – Panasonic 15mm f1.7 vs 25mm f1.7
10:30 – Low light video test & Photo Tests (with the GH5)
12:20 – Autofocus Test (GH5)
15:31 – Final Thoughts and Review

Buy it Online:
USA – B&H Photo Video –
Australia – Camera House –

Micro Four Thirds Lens System
30mm (35mm Equivalent)
Aperture Range: f/1.7 to f/16

Links to B&H and Camera House are Affiliate Links.

#leica #panasonicGH5 #filmmaking


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19 thoughts on “Panasonic Leica DG Summilux 15mm f/1.7 ASPH. Lens Review

  1. Great review thanks. Have you tried the panasonic h-ns043e leica dg nocticron 42.5mm f1.2 asph? Not sure which to get between that and the 15mm 1.7.
    Do you have any thoughts please?

  2. Yep, I've been shooting on this for over a year now. 15mm is really the limit for me, since I film a lot in my car, for which I would prefer less, 12 F1.4 would be great, but that costs over a grand. There's also the new 10-25 F1.7, but that costs over two grand Canadian 🙂

  3. At a street festival, I recorded video of stage performances where I was up against the edge of the stage which meant I could not getting any closer (or any further back due to people standing behind me). I wished for a zoom lens at the image quality of the prime lenses (PL 15mm or PL 12mm). The PL 10-25mm f/1.7 would be nice but I cannot imagine spending that kind of money unless I had ongoing paid projects needing the zoom capability (assuming image quality is on par with the prime lenses). Also, that zoom lens is fairly heavy compared to my other lenses (all Panasonic).

  4. Nice video and analysis. 10:26 Interesting question on bokeh comparison. I think a closer distance with the PL 15mm would be a better comparison with the 25mm lens for bokeh assessment.

  5. I like your footage samples. The minimal focusing distance is great for getting the bokeh effect. I very much like the image sharpness and clarity this lens produces.

    I had the 12-35mm f/2.8 lens which was great to have the zoom capability but found image quality to be disappointing when compared to my Nocticron lens. I bought the PL 15mm f/1.7 lens and I am very happy with that relatively inexpensive lens for the image sharpness it brings. I then put my 12-35mm lens up for sale where someone offered to trade his PL 12mm f/1.4 lens for my zoom. He went backpacking in Indonesia and wanted as light as possible for carry weight. The PL 12mm f/1.4 is sharp enough, though not quite to the level of the PL 15mm. Moreover, I find the PL 12mm to render a nicer looking image in terms of colors and contrast. I never understood what people meant when I read those words but now that I have the 2 lenses side-by-each, I can definitely appreciate the difference. Another way I can put it is – there is better dimensionality, color and contrast with the PL 12mm while the PL 15mm renders a dimensionally flatter (contrast) but sharper image.

  6. I use it on a GX80, known ans GX85 in the States and god knows how in Japan. There is one annoying quirk. I hoped I would be able to benefit from the manual aperture ring. Meaning – the camera has a front and a back dial. So I hoped I would be able to control all 3 things at once – aperture from the lens ring, shutter speed from 1 dial, Exp comp from the 2nd dial. Nope. Cannot do that. No matter how you configure the wheels on the camera and whether you choose Manual, A priority or S priority – it doesn't allow you to do it. So, in reality, the manual aperture ring stands on A (which is automatic) and the lens is controlled just like any other lens, without a manual aperture ring. Stupid.

  7. Great video! You should consider shooting this lens with an ND filter to make use of the large aperture when shooting outdoors. It would really show off that f/1.7 without having to up the shutterspeed getting that shake/stuttering effect.

  8. Good real-life lens review, Shane. AF tests should include lower light performance. Mfr. lens generally performs best with same maker’s camera. Background blur comperable. Nice shirt — a bit tight, but great for nailing exposure and white balance 😁. By now you must be well settled in your new digs — great. Cheers.

  9. I was really looking at this lens. It's really sharp all the moire went away on your shirt when you switched to the 15mm. I really love the Leica glass, the 12-60 is AMAZING, the color and sharpness is great. I am saving for the 42.5 1.2

  10. You might wanna check out the latest developments regarding autofocus on the “AF challenged” camera’s of Panasonic and BM. See thread on

    An independent camera agnostic AF system would be awesome imho.

    I myself shoot on a GX80 with ancient glass – mostly FD and anamorphic adapters. More interested in cinematography than in practical Youtube content creating stuff. I am not particularly into blues as well but seem somehow stuck as a sub to both your channels. How weird is that. Keep up the good work, Shane.

  11. Awesome video. I do have a question though. Would you consider in testing out vintage glass? As in Industar 50mm F3.5, Jupitor 8, and or a Jupitor 11 for example's.

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