Panasoinc Lumix DMC-GX1 review: Panasoinc Lumix DMC-GX1

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CNET Editors' Rating

3.5 stars Very good
  • Overall: 7.7
  • Design: 8.0
  • Features: 7.0
  • Performance: 8.0
  • Image quality: 8.0
Review Date:
Updated on:

The Good Fast performance and excellent raw photo quality, combined with Panasonic's veteran touch-screen/direct-control hybrid interface, make the Lumix DMC-GX1 a strong ILC choice.

The Bad The new X-series PZ kit lens could use some design tweaks, and Panasonic's JPEG processing, though much better than before, could still use a little work.

The Bottom Line A well-designed camera with an interface that creative photographers can customize to their liking, the Panasonic Lumix DMC-GX1 deserves serious consideration if you're looking for a modestly compact interchangeable-lens model.

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I happen to like the Panasonic Lumix DMC-GF3 for what it is: a model that delivers the photo quality and speed that point-and-shoot upgraders are looking for in a size substantially smaller than a dSLR and with an interface that's familiar to them. But when it came out, I heard quite a few grumblings from people who wanted the real successor in the GF series. They didn't mind the slightly bigger size in exchange for a physical mode dial and hot shoe. Well, it looks like Panasonic heard those grumblings, too. Or perhaps it was always in the master plan. In any case, the Micro Four Thirds-based Lumix DMC-GX1 is the successor to the GF1 that the GF2 should have been. It resurrects that camera's better shooting design, most notably with the return of the physical mode dial, which Panasonic dropped from the GF2. It's actually a little bigger than that model, longer and deeper, but the depth comes from a slightly bigger grip and I can't fault it for that. Plus, it significantly improves on the performance and photo quality of both its predecessors.

But in other respects, it's just a modest update of the two GF models that precede it to bring it up to currency. It incorporates the sensor that's in the G3 (not the more advanced sensor from the GH2, despite the resolution similarity) and the current Light Speed autofocus architecture. Other additions to the camera are an electronic level and a one-button autoexposure override.

Though the GX1 delivers some of Panasonic's best photo quality to date, the issues with so-so JPEG processing remain, and its noise profile generally still can't match the NEX-5N. In good light, you can shoot JPEGs up to about ISO 400 without serious detail degradation, although even at ISO 200 you can see some softness, and at its lowest sensitivity of ISO 160, you can still see some noise in darker areas. But raw looks good up through ISO 800--a bit grainy and with some clipping in the shadows--and remains pretty usable at ISO 1,600. Colors render accurately and the exposures look on target.

The video looks good, and the 1080/30p MP4 option is a nice alternative to the interlaced AVCHD (although I don't know why it doesn't just incorporate AVCHD 2.0). It's sharp and pleasingly saturated, and the image stabilization in the X series lens does a fine job, but like most of the models in this class, it suffers from annoying rolling shutter. The stereo mic also fares pretty well, and though sensitive doesn't pick up any noise from the quiet power zoom lens.

While the GX1 lags the Nikon 1 J1 on single-shot or burst performance, it and its sibling the GF3 lead the class for shot-to-shot speed, which I tend to weight a little more heavily as long a camera performs pretty well on its single shots. It wakes and shoots in about a second: like the J1, the need to drive the lens while powering on slows the camera a little at startup. It can focus and shoot in good light in about 0.3 second and about 0.6 second in dim light. Shooting JPEG takes about 0.5 second for two sequential shots, which increases to about 0.6 second for raw; JPEG+raw feels adequately speedy. Using flash bumps the duration between shots by about a second. The GX1 bursts at about 4fps with LCD updates, a respectable time for its class, but as with many non-OVF cameras the display doesn't update fast enough to keep a moving subject in the frame. It also has an SH (super-high) speed burst mode, which shoots 20fps for 2 seconds.

  Panasonic Lumix DMC-G3 Panasonic Lumix DMC-GF2 Panasonic Lumix DMC-GF3 Panasonic Lumix DMC-GX1 Panasonic Lumix DMC-GH2
Sensor (effective resolution) 16-megapixel Live MOS 12.1-megapixel Live MOS 12.1-megapixel Live MOS 16-megapixel Live MOS 16.1-megapixel Live MOS
17.3 x 13.0mm 17.3 x 13.0mm 17.3 x 13.0mm 17.3 x 13.0mm 17.3 x 13.0mm
Focal-length multiplier 2.0x 2.0x 2.0x 2.0x 2.0x
Sensitivity range ISO 100 - ISO 6,400 ISO 100 - ISO 6,400 ISO 100 - ISO 6,400 ISO 160 - ISO 12,800 ISO 160 - ISO 12,800
Continuous shooting 4fps
unlimited JPEG/7 raw
3.2fps
unlimited JPEG/7 raw
3.8fps
unlimited JPEG/7 raw
4.2fps
unlimited JPEG/9 raw
5.0fps
unlimited JPEG/ 7 raw
Viewfinder
magnification/ effective magnification
Electronic
1.4 million dots
100% coverage
1.4x/0.7x magnification
Optional None Optional Electronic
1.5 million dots
100% coverage
1.42x/0.71x magnification
Autofocus 23-area contrast AF 23-area contrast AF 23-area contrast AF 23-area contrast AF 23-area contrast AF
Shutter speed 60-1/4,000 sec; bulb to 2 minutes 60-1/4,000 sec; bulb to 4 minutes; 1/160 x-sync 60-1/4,000 sec; 1/160 x-sync 60-1/4,000 sec; bulb to 2 minutes; 1/160 sec x-sync 1/4,000 to 60 secs; bulb up to 2 minutes; 1/160 x-sync
Metering 144 zone 144 zone 144 zone 144 zone 144 zone
Image stabilization Optical Optical Optical Optical Optical
On-camera flash Yes Yes Yes Yes Yes
Video AVCHD 1080/60i @ 17 Mbps; 720/60p @ 17 Mbps 1080/60i/50i @ 17, 13 Mbps
720/60p @17, 13 Mbps AVCHD or Motion JPEG QuickTime MOV
1080/60i/50i @ 17 Mbps
720/60p @17 Mbps AVCHD or Motion JPEG QuickTime MOV
AVCHD: 1080/60i/50i @ 17, 13 Mbps
720/60p/50p @17,13 Mbps: MPEG-4: 1080/30p/25p @ 20Mbps
AVCHD 1080/60i/50i/24p (60p sensor output) @ 24, 17, 13Mbps; 720/60p @ 17, 13Mbps
QuickTime MOV Motion JPEG
720/30p
Audio Stereo Stereo Mono Stereo Stereo, mic input
LCD size 3 inches articulated
460,000 dots
3-inch fixed touch screen
460,000 dots
3-inch fixed touch screen
460,000 dots
3-inch fixed touch screen
460,000 dots
3 inches articulated
460,000 dots
Battery life (CIPA rating) 250 shots 300 shots 320 shots 310 shots 340 shots
Dimensions (inches, WHD) 4.5 x 3.3 x 1.8 4.4 x 2.7 x 1.3 4.2 x 2.6 x 1.3 4.6 x 2.7 x 1.6 4.9 x 3.5 x 3.0
Body operating weight (ounces) 11.8 (est) 11 9.3 11.3 17.8
Mfr. price n/a $499.95 (body only, est) $499.95 (body only, est) $699.99 (body only) $899.95 (body only)
$699.99 (with 14-42mm lens) $599.95 (with 14-42mm lens) $599.95 (with 14-42mm lens) $949.99 (with X PZ 14-42mm lens) $999.95 (with 14-42mm lens)
n/a $699.95 (with 14mm f2.5 lens) $699.95 (with 14mm f2.5 lens) $799.99 (with standard 14-42mm lens) $1499.95 (with 14-140mm lens)
Ship date June 2011 January 2011 July 2011 December 2011 December 2010

I really like the design of the GX1, though I do have a few quibbles. It's a little bigger than the rest of the field, but none of these is sufficiently small with a lens attached to be considered significantly smaller than the others. It's got a nice-size grip and thumb rest, which makes it comfortable to hold and shoot single-handed, and it feels well constructed.

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Quick Specifications See All

  • Release date Dec 15, 2011
  • Optical Sensor Type Live MOS
  • Sensor Resolution 16.0 Megapixel
  • Optical Sensor Size 13.0 x 17.3mm