Canon 7D vs Panasonic GX1
The Canon EOS 7D and the Panasonic Lumix DMC-GX1 are two enthusiast cameras that were revealed to the public, respectively, in September 2009 and November 2011. The 7D is a DSLR, while the GX1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (7D) and a Four Thirds (GX1) sensor. The Canon has a resolution of 17.9 megapixels, whereas the Panasonic provides 15.8 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon 7D||Panasonic GX1|
|Digital single lens reflex||Mirrorless system camera|
|Canon EF mount lenses||Micro Four Thirds lenses|
|17.9 MP, APS-C Sensor||15.8 MP, Four Thirds Sensor|
|1080/30p Video||1080/60p Video|
|ISO 100-6,400 (100 - 12,800)||ISO 160-12,800|
|Optical viewfinder||Viewfinder optional|
|3.0 LCD, 920k dots||3.0 LCD, 460k dots|
|Fixed screen (not touch-sensitive)||Fixed touchscreen|
|8 shutter flaps per second||4.2 shutter flaps per second|
|Weathersealed body||not weather sealed|
|800 shots per battery charge||320 shots per battery charge|
|148 x 111 x 74 mm, 860 g||116 x 68 x 39 mm, 318 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 7D and the Panasonic Lumix DMC-GX1? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
An illustration of the physical size and weight of the Canon 7D and the Panasonic GX1 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX1 is considerably smaller (52 percent) than the Canon 7D. Moreover, the GX1 is substantially lighter (63 percent) than the 7D. It is worth mentioning in this context that the 7D is splash and dust resistant, while the GX1 does not feature any corresponding weather-sealing.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (7D) and the Micro Four Thirds Lens Catalog (GX1). Mirrorless cameras, such as the GX1, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.
|Canon 7D||148 mm||111 mm||74 mm||860 g||800||Y||Sep 2009||1,699|
|Panasonic GX1||116 mm||68 mm||39 mm||318 g||320||n||Nov 2011||699|
|Canon 80D||139 mm||105 mm||79 mm||730 g||960||Y||Feb 2016||1,199|
|Canon G3 X||123 mm||77 mm||105 mm||733 g||300||Y||Jun 2015||999|
|Canon 7D II||149 mm||112 mm||78 mm||910 g||670||Y||Sep 2014||1,799|
|Canon 70D||139 mm||104 mm||79 mm||755 g||920||Y||Jul 2013||1,199|
|Canon 60D||145 mm||106 mm||79 mm||755 g||1100||Y||Aug 2010||1,399|
|Canon 1D Mark IV||156 mm||157 mm||80 mm||1230 g||1500||Y||Oct 2009||4,999|
|Canon 5D Mark II||152 mm||114 mm||75 mm||850 g||850||Y||Sep 2008||3,499|
|Canon 50D||146 mm||108 mm||74 mm||822 g||800||Y||Aug 2008||1,299|
|Nikon D7000||132 mm||105 mm||77 mm||780 g||1050||Y||Sep 2010||1,499|
|Panasonic GM5||99 mm||60 mm||36 mm||211 g||220||n||Sep 2014||749|
|Panasonic GX7||123 mm||71 mm||55 mm||402 g||350||n||Aug 2013||999|
|Panasonic G3||115 mm||84 mm||47 mm||336 g||270||n||May 2011||599|
|Panasonic G10||124 mm||84 mm||74 mm||388 g||380||n||Mar 2010||499|
|Panasonic GH2||124 mm||90 mm||76 mm||442 g||330||n||Sep 2010||899|
|Sony RX10 III||133 mm||94 mm||127 mm||1051 g||420||Y||Mar 2016||1,499|
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.
The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The GX1 was launched at a markedly lower price (by 59 percent) than the 7D, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon 7D features an APS-C sensor and the Panasonic GX1 a Four Thirds sensor. The sensor area in the GX1 is 32 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.0. The sensor in the 7D has a native 3:2 aspect ratio, while the one in the GX1 offers a 4:3 aspect.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.
With 17.9MP, the 7D offers a higher resolution than the GX1 (15.8MP), but the 7D nevertheless has larger individual pixels (pixel pitch of 4.31μm versus 3.77μm for the GX1) due to its larger sensor. However, the GX1 is a much more recent model (by 2 years and 2 months) than the 7D, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.
The resolution advantage of the Canon 7D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 7D for good quality output (200 dots per inch) amounts to 25.9 x 17.3 inches or 65.8 x 43.9 cm, for very good quality (250 dpi) 20.7 x 13.8 inches or 52.7 x 35.1 cm, and for excellent quality (300 dpi) 17.3 x 11.5 inches or 43.9 x 29.3 cm. The corresponding values for the Panasonic GX1 are 23 x 17.2 inches or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inches or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inches or 38.9 x 29.2 cm for excellent quality prints.
The Canon EOS 7D has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-12800. The corresponding ISO settings for the Panasonic Lumix DMC-GX1 are ISO 160 to ISO 12800 (no boost).
For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the 7D provides substantially higher image quality than the GX1, with an overall score that is 11 points higher. This advantage is based on 1.2 bits higher color depth, 1.1 EV in additional dynamic range, and 0.3 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Panasonic GX1||Four Thirds||15.8||4592||3448||1080/60p||20.8||10.6||703||55|
|Canon G3 X||1-inch||20.0||5472||3648||1080/60p||21.4||12.3||521||63|
|Canon 7D II||APS-C||20.0||5472||3648||1080/60p||22.4||11.8||1082||70|
|Canon 1D Mark IV||APS-H||16.0||4896||3264||1080/30p||22.8||12.0||1320||74|
|Canon 5D Mark II||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79|
|Panasonic GM5||Four Thirds||15.8||4592||3448||1080/60p||22.1||11.7||721||66|
|Panasonic GX7||Four Thirds||15.8||4592||3448||1080/60p||22.6||12.2||718||70|
|Panasonic G3||Four Thirds||15.8||4592||3448||1080/60i||21.0||10.6||667||56|
|Panasonic G10||Four Thirds||12.0||4000||3000||720/30p||21.2||10.1||411||52|
|Panasonic GH2||Four Thirds||15.9||4608||3456||1080/60i||21.2||11.3||655||60|
|Sony RX10 III||1-inch||20.0||5472||3648||4K/30p||23.1||12.6||472||70|
Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the GX1 provides a faster frame rate than the 7D. It can shoot movie footage at 1080/60p, while the Canon is limited to 1080/30p.
Beyond body and sensor, cameras can and do differ across a range of features. For example, the 7D has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GX1 relies on live view and the rear LCD for framing. That said, the GX1 can be equipped with an optional viewfinder – the DMW-LVF2. The following table reports on some other key feature differences and similarities of the Canon 7D, the Panasonic GX1, and comparable cameras.
|Canon G3 X||optional||n||3.2||1620||tilting||Y||1/2000s||5.9||Y||Y|
|Canon 7D II||optical||Y||3.0||1040||fixed||n||1/8000s||10.0||Y||n|
|Canon 1D Mark IV||optical||Y||3.0||920||fixed||n||1/8000s||10.0||n||n|
|Canon 5D Mark II||optical||Y||3.0||920||fixed||n||1/8000s||3.9||n||n|
|Sony RX10 III||2359||Y||3.0||1229||tilting||n||1/2000s||14.0||Y||Y|
One feature that is present on the 7D, but is missing on the GX1 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.
The 7D writes its imaging data to Compact Flash cards, while the GX1 uses SDXC cards.
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS 7D and Panasonic Lumix DMC-GX1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
|Canon G3 X||Y||stereo||mono||Y||Y||mini||2.0||Y||Y||-|
|Canon 7D II||Y||stereo||mono||Y||Y||mini||3.0||-||-||-|
|Canon 1D Mark IV||Y||stereo||-||Y||-||mini||2.0||-||-||-|
|Canon 5D Mark II||Y||mono||mono||Y||-||mini||2.0||-||-||-|
|Sony RX10 III||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the 7D has a microphone port, which is missing on the GX1. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.
Studio photographers will appreciate that the Canon 7D (unlike the GX1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the 7D and the GX1 have been discontinued, but can regularly be found used on eBay. The 7D was replaced by the Canon 7D Mark II, while the GX1 was followed by the Panasonic GX7. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Panasonic websites.
So how do things add up? Is the Canon 7D better than the Panasonic GX1 or vice versa? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Canon EOS 7D:
- More detail: Offers more megapixels (17.9 vs 15.8MP) with a 8% higher linear resolution.
- Better image quality: Scores substantially higher (11 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (1.2 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (1.1 EV of extra DR).
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Easier framing: Has an optical viewfinder for image composition and settings control.
- Easier setting verification: Features an LCD display on top to control shooting parameters.
- More detailed LCD: Has a higher resolution rear screen (920k vs 460k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (8 vs 4.2 flaps/sec) to capture the decisive moment.
- Longer lasting: Can take more shots (800 versus 320) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More heavily discounted: Has been available for much longer (launched in September 2009).
Arguments in favor of the Panasonic Lumix DMC-GX1:
- Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
- Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
- More compact: Is smaller (116x68mm vs 148x111mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 542g or 63 percent) and is thus easier to take along.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- More affordable: Was introduced into a lower priced category (59 percent cheaper at launch).
- More modern: Reflects 2 years and 2 months of technical progress since the 7D launch.
If the count of relative strengths (bullet points above) is taken as a measure, the 7D is the clear winner of the match-up (14 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon 7D and the Panasonic GX1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the 7D or the GX1 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
|Canon 7D||+ +||84/100||4.5/5||5/5||4.5/5||Sep 2009||1,699|
|Panasonic GX1||+||77/100||4.5/5||4.5/5||4.5/5||Nov 2011||699|
|Canon 80D||+ +||84/100||4.5/5||4.5/5||4.5/5||Feb 2016||1,199|
|Canon G3 X||+||..||4.5/5||3.5/5||4/5||Jun 2015||999|
|Canon 7D II||+||84/100||4/5||5/5||4.5/5||Sep 2014||1,799|
|Canon 70D||+ +||83/100||4.5/5||4.5/5||5/5||Jul 2013||1,199|
|Canon 60D||+||79/100||4/5||5/5||4.5/5||Aug 2010||1,399|
|Canon 1D Mark IV||..||89/100||..||5/5||..||Oct 2009||4,999|
|Canon 5D Mark II||91/100||79/100||4/5||5/5||..||Sep 2008||3,499|
|Canon 50D||+ +||+ +||4.5/5||5/5||4.5/5||Aug 2008||1,299|
|Nikon D7000||..||80/100||4.5/5||5/5||4.5/5||Sep 2010||1,499|
|Panasonic GM5||+||77/100||5/5||5/5||4.5/5||Sep 2014||749|
|Panasonic GX7||+||79/100||5/5||4.5/5||5/5||Aug 2013||999|
|Panasonic G3||+ +||75/100||4.5/5||4.5/5||5/5||May 2011||599|
|Panasonic G10||..||70/100||4/5||..||4/5||Mar 2010||499|
|Panasonic GH2||+ +||79/100||4.5/5||4.5/5||5/5||Sep 2010||899|
|Sony RX10 III||+||84/100||4.5/5||4.5/5||4.5/5||Mar 2016||1,499|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.
Other camera comparisons
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Specifications: Canon 7D vs Panasonic GX1
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
|Camera Model||Canon 7D||Panasonic GX1|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Canon EF mount lenses||Micro Four Thirds lenses|
|Launch Date||September 2009||November 2011|
|Launch Price||USD 1,699||USD 699|
|Sensor Specs||Canon 7D||Panasonic GX1|
|Sensor Format||APS-C Sensor||Four Thirds Sensor|
|Sensor Size||22.3 x 14.9 mm||17.3 x 13.0 mm|
|Sensor Area||332.27 mm2||224.9 mm2|
|Sensor Diagonal||26.8 mm||21.6 mm|
|Sensor Resolution||17.9 Megapixels||15.8 Megapixels|
|Image Resolution||5184 x 3456 pixels||4592 x 3448 pixels|
|Pixel Pitch||4.31 μm||3.77 μm|
|Pixel Density||5.39 MP/cm2||7.04 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/30p Video||1080/60p Video|
|ISO Setting||100 - 6,400 ISO||160 - 12,800 ISO|
|ISO Boost||100 - 12,800 ISO||no Enhancement|
|Image Processor||DIGIC 4 (Dual)||Venus FHD|
|DXO Sensor Quality (score)||66||55|
|DXO Color Depth (bits)||22.0||20.8|
|DXO Dynamic Range (EV)||11.7||10.6|
|DXO Low Light (ISO)||854||703|
|Screen Specs||Canon 7D||Panasonic GX1|
|Viewfinder Type||Optical viewfinder||Viewfinder optional|
|Viewfinder Field of View||100%|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||920k dots||460k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Canon 7D||Panasonic GX1|
|Focus System||Phase-detect AF||Contrast-detect AF|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/4000s|
|Continuous Shooting||8 shutter flaps/s||4.2 shutter flaps/s|
|Fill Flash||Build-in Flash||Build-in Flash|
|Storage Medium||CF cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|Connectivity Specs||Canon 7D||Panasonic GX1|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||mini HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon 7D||Panasonic GX1|
|Environmental Sealing||Weathersealed body||not weather sealed|
|Battery Life (CIPA)||800 shots per charge||320 shots per charge|
148 x 111 x 74 mm
(5.8 x 4.4 x 2.9 in)
116 x 68 x 39 mm
(4.6 x 2.7 x 1.5 in)
|Camera Weight||860 g (30.3 oz)||318 g (11.2 oz)|
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