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Canon G12 vs Olympus E-M1

The Canon PowerShot G12 and the Olympus OM-D E-M1 are two digital cameras that were announced, respectively, in September 2010 and September 2013. The G12 is a fixed lens compact, while the E-M1 is a mirrorless interchangeable lens camera. The cameras are based on a 1/1.7-inch (G12) and a Four Thirds (E-M1) sensor. The Canon has a resolution of 10 megapixels, whereas the Olympus provides 15.9 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon G12
versus
Olympus E-M1
Canon G12   Olympus E-M1
Fixed lens compact camera Mirrorless system camera
28-140mm f/2.8-4.5 Micro Four Thirds lenses
10 MP – 1/1.7" sensor 15.9 MP – Four Thirds sensor
720/24p Video 1080/30p Video
ISO 80-3,200 (80 - 12,800) ISO 200-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
2.8" LCD – 461k dots 3.0" LCD – 1037k dots
Swivel screen (not touch-sensitive) Tilting touchscreen
1.1 shutter flaps per second 10 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
370 shots per battery charge350 shots per battery charge
112 x 76 x 48 mm, 401 g 130 x 94 x 63 mm, 497 g
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Check E-M1 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G12 and the Olympus OM-D E-M1? 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

The side-by-side display below illustrates the physical size and weight of the Canon G12 and the Olympus E-M1. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

The E-M1 can be obtained in two different colors (black, silver), while the G12 is only available in black.

Size Canon G12 vs Olympus E-M1
Compare G12 versus E-M1 top
Comparison G12 or E-M1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M1 is considerably larger (44 percent) than the Canon G12. It is noteworthy in this context that the E-M1 is splash and dust-proof, while the G12 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G12 has a lens built in, whereas the E-M1 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the E-M1 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the G12 gets 370 shots out of its Canon NB-7L battery, while the E-M1 can take 350 images on a single charge of its Olympus BLN-1 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G12 112 mm 76 mm 48 mm 401 g 370 n Sep 2010 499ebay.com
2.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
3.
 
Canon G15 107 mm 76 mm 40 mm 352 g 350 n Sep 2012 499ebay.com
4.
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549ebay.com
5.
 
Canon SX50 123 mm 87 mm 106 mm 595 g 315 n Sep 2012 429ebay.com
6.
 
Fujifilm X10 117 mm 70 mm 57 mm 350 g 270 n Sep 2011 599ebay.com
7.
 
Nikon P7800 119 mm 78 mm 50 mm 399 g 350 n Sep 2013 549ebay.com
8.
 
Olympus E-450 130 mm 91 mm 53 mm 440 g 500 n Mar 2009 499ebay.com
9.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
10.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299ebay.com
11.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
12.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
13.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
14.
 
Panasonic FZ150 124 mm 82 mm 92 mm 528 g 410 n Aug 2011 499ebay.com
15.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 599ebay.com
16.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.com
17.
 
Panasonic LX5 110 mm 65 mm 43 mm 271 g 400 n Jul 2010 499ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The G12 was launched at a lower price than the E-M1, despite having a lens built in. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon G12 features a 1/1.7-inch sensor and the Olympus E-M1 a Four Thirds sensor. The sensor area in the E-M1 is 423 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 4.6 and 2.0. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Canon G12 and Olympus E-M1 sensor measures

With 15.9MP, the E-M1 offers a higher resolution than the G12 (10MP), but the E-M1 nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 2.07μm for the G12) due to its larger sensor. Moreover, the E-M1 is a much more recent model (by 2 years and 11 months) than the G12, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the E-M1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M1 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 cm. The corresponding values for the Canon G12 are 18.2 x 13.7 inches or 46.3 x 34.7 cm for good quality, 14.6 x 10.9 inches or 37.1 x 27.8 cm for very good quality, and 12.2 x 9.1 inches or 30.9 x 23.2 cm for excellent quality prints.

The E-M1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon PowerShot G12 has a native sensitivity range from ISO 80 to ISO 3200, which can be extended to ISO 80-12800. The corresponding ISO settings for the Olympus OM-D E-M1 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

In terms of underlying technology, the G12 is build around a CCD sensor, while the E-M1 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

G12 versus E-M1 MP

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 consideration, the E-M1 offers substantially better image quality than the G12 (overall score 26 points higher). The advantage is based on 2.6 bits higher color depth, 1.5 EV in additional dynamic range, and 2.2 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon G12 1/1.7 10.0 3648 2736720/24p20.411.216147
2.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
3.
 
Canon G15 1/1.7 12.0 4000 30001080/24p19.911.516546
4.
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
5.
 
Canon SX50 1/2.3 12.0 4000 30001080/24p20.311.217947
6.
 
Fujifilm X10 2/3 12.0 4000 30001080/30p20.511.324550
7.
 
Nikon P7800 1/1.7 12.0 4000 30001080/30p21.211.720054
8.
 
Olympus E-450 Four Thirds 10.0 3648 2736none21.510.551256
9.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
10.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
11.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
12.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
13.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
14.
 
Panasonic FZ150 1/2.3 12.0 4000 30001080/60p19.410.913240
15.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
16.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
17.
 
Panasonic LX5 1/1.7 10.0 3648 2736720/60p19.610.813241

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the E-M1 provides a better video resolution than the G12. It can shoot movie footage at 1080/30p, while the Canon is limited to 720/24p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the E-M1 has an electronic viewfinder (2360k dots), while the G12 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 table below summarizes some of the other core capabilities of the Canon G12 and Olympus E-M1 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty 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 G12optical n2.8 / 461 swivel n 1/4000s 1.1/s Y Y
2.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
3.
 
Canon G15optical n3.0 / 922 fixed n 1/4000s 2.1/s Y Y
4.
 
Canon G16optical n3.0 / 922 fixed n 1/4000s 2.2/s Y Y
5.
 
Canon SX50202 n3.0 / 461 swivel n 1/2000s 2.2/s Y Y
6.
 
Fujifilm X10optical n2.8 / 460 fixed n 1/4000s 10.0/s Y Y
7.
 
Nikon P7800921 n3.0 / 921 swivel n 1/4000s 8.0/s Y Y
8.
 
Olympus E-450optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
9.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
10.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
11.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
12.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
13.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
14.
 
Panasonic FZ150202 n3.0 / 460 swivel n 1/2000s 12.0/s Y Y
15.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
16.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
17.
 
Panasonic LX5optional n3.0 / 460 fixed n 1/4000s 2.5/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The G12 has one, while the E-M1 does not. While the built-in flash of the G12 is not very powerful, it can at times be useful as a fill-in light.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the E-M1 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus E-M1 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the G12 and the E-M1 write their files to SDXC cards. The E-M1 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the G12 cannot take advantage of Ultra High Speed SD 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 PowerShot G12 and Olympus OM-D E-M1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon G12Ystereo / mono--mini2.0---
2.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
3.
 
Canon G15Ystereo / mono--mini2.0---
4.
 
Canon G16Ystereo / mono--mini2.0Y--
5.
 
Canon SX50Ystereo / mono--mini2.0---
6.
 
Fujifilm X10Ystereo / mono--mini2.0---
7.
 
Nikon P7800Ystereo / monoY-mini2.0---
8.
 
Olympus E-450Y- / ----2.0---
9.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
10.
 
Olympus E-M5Ystereo / mono--mini2.0---
11.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
12.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
13.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
14.
 
Panasonic FZ150Ystereo / ---mini2.0---
15.
 
Panasonic G2Ystereo / mono--mini2.0---
16.
 
Panasonic G10Ymono / ---mini2.0---
17.
 
Panasonic LX5Ymono / mono--mini2.0---

It is notable that the E-M1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the G12 does not provide wifi capability.

Studio photographers will appreciate that the Olympus E-M1 (unlike the G12) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the G12 and the E-M1 have been discontinued, but can regularly be found used on ebay. The G12 was replaced by the Canon G15, while the E-M1 was followed by the Olympus E-M1 II. Further information on the features and operation of the G12 and E-M1 can be found, respectively, in the Canon G12 Manual (free pdf) or the online Olympus E-M1 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Canon G12 and the Olympus E-M1? Which camera is better? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Canon PowerShot G12:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Ready to shoot: Has a lens built-in, whereas the E-M1 requires a separate lens.
  • More compact: Is smaller (112x76mm vs 130x94mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the E-M1).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been available for much longer (launched in September 2010).

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Advantages of the Olympus OM-D E-M1:

  • More detail: Has more megapixels (15.9 vs 10MP), which boosts linear resolution by 26%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (26 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.6 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.5 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.2 stops ISO advantage).
  • Better video: Provides higher definition movie capture (1080/30p vs 720/24p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 461k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 1.1 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 2 years and 11 months of technical progress since the G12 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the E-M1 is the clear winner of the contest (23 : 9 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.

G12 09:23 E-M1

How about other alternatives? Do the specifications of the Canon G12 and the Olympus E-M1 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the G12 and the E-M1 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 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 (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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G124/5+..73/1004.5/54.5/5 Sep 2010 499ebay.com
2.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
3.
 
Canon G154/5+..76/1004.5/54.5/5 Sep 2012 499ebay.com
4.
 
Canon G164/5+....4.5/54.5/5 Aug 2013 549ebay.com
5.
 
Canon SX503/5+ +..72/1004.5/54.5/5 Sep 2012 429ebay.com
6.
 
Fujifilm X10......76/1004/54.5/5 Sep 2011 599ebay.com
7.
 
Nikon P78003/5......4/54.5/5 Sep 2013 549ebay.com
8.
 
Olympus E-450........4/54/5 Mar 2009 499ebay.com
9.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
10.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299ebay.com
11.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
12.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
13.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
14.
 
Panasonic FZ1503/5+ +..76/1004/54.5/5 Aug 2011 499ebay.com
15.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 599ebay.com
16.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.com
17.
 
Panasonic LX54/5+..73/1004.5/54.5/5 Jul 2010 499ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon G12 vs Olympus E-M1

    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 G12 Olympus E-M1
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28-140mm f/2.8-4.5 Micro Four Thirds lenses
    Launch Date September 2010 September 2013
    Launch Price USD 499 USD 1,399
    Sensor Specs Canon G12 Olympus E-M1
    Sensor Technology CCD CMOS
    Sensor Format 1/1.7" Sensor Four Thirds Sensor
    Sensor Size 7.6 x 5.7 mm 17.3 x 13.0 mm
    Sensor Area 43.32 mm2 224.9 mm2
    Sensor Diagonal 9.5 mm 21.6 mm
    Crop Factor 4.6x 2.0x
    Sensor Resolution 10 Megapixels 15.9 Megapixels
    Image Resolution 3648 x 2736 pixels 4608 x 3456 pixels
    Pixel Pitch 2.07 μm 3.76 μm
    Pixel Density 23.04 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 720/24p Video 1080/30p Video
    ISO Setting 80 - 3,200 ISO 200 - 25,600 ISO
    ISO Boost 80 - 12,800 ISO 100 - 25,600 ISO
    Image Processor DIGIC 4 TruePIC VII
    DXO Sensor Quality (score) 47 73
    DXO Color Depth (bits) 20.4 23.0
    DXO Dynamic Range (EV) 11.2 12.7
    DXO Low Light (ISO) 161 757
    Screen Specs Canon G12 Olympus E-M1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.74x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 2.8inch 3.0inch
    LCD Resolution 461k dots 1037k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon G12 Olympus E-M1
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 1.1 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Canon G12 Olympus E-M1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Body Specs Canon G12 Olympus E-M1
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-7L Olympus BLN-1
    Battery Life (CIPA)370 shots per charge350 shots per charge
    Body Dimensions 112 x 76 x 48 mm
    (4.4 x 3.0 x 1.9 in)
    130 x 94 x 63 mm
    (5.1 x 3.7 x 2.5 in)
    Camera Weight 401 g (14.1 oz) 497 g (17.5 oz)
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