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Canon 7D vs Panasonic G3

The Canon EOS 7D and the Panasonic Lumix DMC-G3 are two digital cameras that were officially introduced, respectively, in September 2009 and May 2011. The 7D is a DSLR, while the G3 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (7D) and a Four Thirds (G3) 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.

Headline Specifications
Canon 7D
versus
Panasonic G3
Canon 7D   Panasonic G3
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 1080/60i Video
ISO 100-6,400 (100 - 12,800) ISO 160-6,400
Optical viewfinder Electronic viewfinder (1440k dots)
3.0" LCD – 920k dots 3.0" LCD – 460k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
8 shutter flaps per second 4 shutter flaps per second
Weathersealed bodynot weather sealed
800 shots per battery charge270 shots per battery charge
148 x 111 x 74 mm, 860 g 115 x 84 x 47 mm, 336 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 7D and the Panasonic Lumix DMC-G3? 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.

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Body comparison

An illustration of the physical size and weight of the Canon 7D and the Panasonic G3 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 measures are rounded to the nearest millimeter.

The G3 can be obtained in four different colors (black, brown, red, white), while the 7D is only available in black.

Size Canon 7D vs Panasonic G3
Compare 7D versus G3 top
Comparison 7D or G3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G3 is considerably smaller (41 percent) than the Canon 7D. Moreover, the G3 is substantially lighter (61 percent) than the 7D. It is worth mentioning in this context that the 7D is splash and dust resistant, while the G3 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 (G3). Mirrorless cameras, such as the G3, 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.

Concerning battery life, the 7D gets 800 shots out of its LP-E6 battery, while the G3 can take 270 images on a single charge of its DMW-BLD10 power pack.

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, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 7D 148 mm 111 mm 74 mm 860 g 800 Y Sep 2009 1,699ebay.com
2.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 599ebay.com
3.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799ebay.com
4.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199ebay.com
5.
 
Canon 60D 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 1,399ebay.com
6.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699ebay.com
7.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799ebay.com
8.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
9.
 
Canon 50D 146 mm 108 mm 74 mm 822 g 800 Y Aug 2008 1,299ebay.com
10.
 
Canon 30D 144 mm 106 mm 74 mm 785 g 750 n Feb 2006 1,399ebay.com
11.
 
Canon 20D 144 mm 106 mm 72 mm 770 g 700 n Aug 2004 1,499ebay.com
12.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499ebay.com
13.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
14.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 599ebay.com
15.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.com
16.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 599ebay.com
17.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will naturally be influenced heavily by the price. 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 G3 was launched at a markedly lower price (by 65 percent) than the 7D, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 7D features an APS-C sensor and the Panasonic G3 a Four Thirds sensor. The sensor area in the G3 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 G3 offers a 4:3 aspect.

Canon 7D and Panasonic G3 sensor measures

With 17.9MP, the 7D offers a higher resolution than the G3 (15.8MP), but the 7D nevertheless has larger individual pixels (pixel pitch of 4.31μm versus 3.77μm for the G3) due to its larger sensor. However, the G3 is a somewhat more recent model (by 1 year and 8 months) than the 7D, and its sensor might have benefitted from technological advances during this time that 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 G3 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-G3 are ISO 160 to ISO 6400 (no boost).

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

7D versus G3 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the 7D has a notably higher overall DXO score than the G3 (overall score 10 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 1 bits higher color depth, 1.1 EV in additional dynamic range, and 0.4 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.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466
2.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
3.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
4.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
5.
 
Canon 60D APS-C 17.9 5184 34561080/30p22.211.581366
6.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
7.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
8.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
9.
 
Canon 50D APS-C 15.1 4752 3168none21.811.469663
10.
 
Canon 30D APS-C 8.2 3504 2336none21.510.873659
11.
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162
12.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
13.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
14.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
15.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
16.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
17.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the G3 provides a faster frame rate than the 7D. It can shoot movie footage at 1080/60i, while the Canon is limited to 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the G3 has an electronic viewfinder (1440k dots), while the 7D has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the G3 has a higher magnification than the one of the 7D (0.70x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon 7D and Panasonic G3 in connection with corresponding information for a sample of similar cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 7Doptical Y3.0 / 920 fixed n 1/8000s 8.0/s Y n
2.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0/s Y n
3.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
4.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
5.
 
Canon 60Doptical Y3.0 / 1040 swivel n 1/8000s 5.3/s Y n
6.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
7.
 
Canon T1ioptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
8.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
9.
 
Canon 50Doptical Y3.0 / 920 fixed n 1/8000s 6.3/s Y n
10.
 
Canon 30Doptical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
11.
 
Canon 20Doptical Y1.8 / 118 fixed n 1/8000s 5.0/s Y n
12.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
13.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
14.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
15.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
16.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
17.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that is present on the 7D, but is missing on the G3 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 G3 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 7D does not have a selfie-screen.

The 7D writes its imaging data to Compact Flash cards, while the G3 uses SDXC cards.

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Connectivity comparison

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-G3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 7DYmono / -Y-mini2.0---
2.
 
Panasonic G3Ystereo / mono--mini2.0---
3.
 
Canon 7D IIYstereo / monoYYmini3.0---
4.
 
Canon 70DYstereo / monoY-mini2.0Y--
5.
 
Canon 60DYmono / monoY-mini2.0---
6.
 
Canon T2iYstereo / -Y-mini2.0---
7.
 
Canon T1iYmono / mono--mini2.0---
8.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
9.
 
Canon 50DY- / ---mini2.0---
10.
 
Canon 30DY- / ----2.0---
11.
 
Canon 20DY- / ----1.1---
12.
 
Nikon D7000Ymono / monoY-mini2.0---
13.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
14.
 
Panasonic G5Ystereo / mono--mini2.0---
15.
 
Panasonic GX1Ystereo / mono--mini2.0---
16.
 
Panasonic G2Ystereo / mono--mini2.0---
17.
 
Panasonic GH2Ystereo / monoY-mini2.0---
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It is notable that the 7D has a microphone port, which is missing on the G3. 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 G3) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 7D and the G3 have been discontinued, but can regularly be found used on ebay. The 7D was replaced by the Canon 7D Mark II, while the G3 was followed by the Panasonic G5. Further information on the features and operation of the 7D and G3 can be found, respectively, in the Canon 7D Manual (free pdf) or the online Panasonic G3 Manual.

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Review summary

So what conclusions can be drawn? Is the Canon 7D better than the Panasonic G3 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Canon EOS 7D:

  • More detail: Offers more megapixels (17.9 vs 15.8MP) with a 8% higher linear resolution.
  • Better image quality: Scores markedly higher (10 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (1.1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.4 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • 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 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (800 versus 270) 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 on the market for longer (launched in September 2009).

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Reasons to prefer the Panasonic Lumix DMC-G3:

  • Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.63x).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (115x84mm vs 148x111mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 524g or 61 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 (65 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year and 8 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the 7D emerges as the winner of the contest (14 : 11 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

7D 14:11 G3

How about other alternatives? Do the specifications of the Canon 7D and the Panasonic G3 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 says little about, for example, the shooting experience and imaging performance of the 7D and the G3 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 7D5/5+ +..84/1004.5/54.5/5 Sep 2009 1,699ebay.com
2.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 599ebay.com
3.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 1,799ebay.com
4.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199ebay.com
5.
 
Canon 60D5/5+..79/1004/54.5/5 Aug 2010 1,399ebay.com
6.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 699ebay.com
7.
 
Canon T1i..+ +..74/1004.5/54.5/5 Mar 2009 799ebay.com
8.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
9.
 
Canon 50D..+ +..+ +4.5/54.5/5 Aug 2008 1,299ebay.com
10.
 
Canon 30D..+ +..+ +o.. Feb 2006 1,399ebay.com
11.
 
Canon 20D......+ +.... Aug 2004 1,499ebay.com
12.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499ebay.com
13.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
14.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 599ebay.com
15.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
16.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 599ebay.com
17.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. Thus, a score needs to be put into the context of the launch date and the launch price 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, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon 7D vs Panasonic G3

    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 Specifications
    Camera Model Canon 7D Panasonic G3
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date September 2009 May 2011
    Launch Price USD 1,699 USD 599
    Sensor Specs Canon 7D Panasonic G3
    Sensor Technology CMOS CMOS
    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
    Crop Factor 1.6x 2.0x
    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 1080/60i Video
    ISO Setting 100 - 6,400 ISO 160 - 6,400 ISO
    ISO Boost 100 - 12,800 ISO no Enhancement
    Image Processor DIGIC 4 (Dual) Venus FHD
    DXO Sensor Quality (score) 66 56
    DXO Color Depth (bits) 22.0 21.0
    DXO Dynamic Range (EV) 11.7 10.6
    DXO Low Light (ISO) 854 667
    Screen Specs Canon 7D Panasonic G3
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.70x
    Viewfinder Resolution 1440k dots
    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 Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 7D Panasonic G3
    Focus System Phase-detect AF Contrast-detect AF
    Continuous Shooting 8 shutter flaps/s 4 shutter flaps/s
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium CF cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    Connectivity Specs Canon 7D Panasonic G3
    External Flash Hotshoe Hotshoe
    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 G3
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type LP-E6 DMW-BLD10
    Battery Life (CIPA)800 shots per charge270 shots per charge
    Body Dimensions 148 x 111 x 74 mm
    (5.8 x 4.4 x 2.9 in)
    115 x 84 x 47 mm
    (4.5 x 3.3 x 1.9 in)
    Camera Weight 860 g (30.3 oz) 336 g (11.9 oz)
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