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Olympus E-M5 III vs Panasonic GH1

The Olympus OM-D E-M5 Mark III and the Panasonic Lumix DMC-GH1 are two enthusiast cameras that were revealed to the public, respectively, in October 2019 and March 2009. Both the E-M5 III and the GH1 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The Olympus has a resolution of 20.2 megapixels, whereas the Panasonic provides 12 MP.

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

Headline Specifications
Olympus E-M5 III versus Panasonic GH1
Olympus E-M5 III Panasonic GH1
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Micro Four Thirds lenses
20.2 MP, Four Thirds Sensor 12 MP, Four Thirds Sensor
4K/30p Video 1080/24p Video
ISO 200-25,600 ISO 100-1,600 (100 - 3,200)
Electronic viewfinder (2360k dots) Electronic viewfinder (1440k dots)
3.0 LCD, 1040k dots 3.0 LCD, 460k dots
Swivel touchscreen Swivel screen (not touch-sensitive)
10 shutter flaps per second 3 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodynot weather sealed
310 shots per battery charge300 shots per battery charge
125 x 85 x 50 mm, 414 g 124 x 90 x 45 mm, 385 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M5 Mark III and the Panasonic Lumix DMC-GH1? 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.

Body comparison

An illustration of the physical size and weight of the Olympus E-M5 III and the Panasonic GH1 is provided in the side-by-side display below. 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 width, height and depth dimensions are rounded to the nearest millimeter.

The E-M5 III can be obtained in two different colors (black, silver), while the GH1 is also available in two color-versions, but different ones (black, red).

Size Olympus E-M5 III vs Panasonic GH1
Compare E-M5 III versus GH1 top
Comparison E-M5 III or GH1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GH1 is somewhat larger (5 percent) than the Olympus E-M5 III. However, the GH1 is markedly lighter (7 percent) than the E-M5 III. It is worth mentioning in this context that the E-M5 III is splash and dust resistant, while the GH1 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. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Micro Four Thirds Lens Catalog. Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the E-M5 III gets 310 shots out of its BLS-50 battery, while the GH1 can take 300 images on a single charge of its DMW-BLB13 power pack. The power pack in the E-M5 III can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199 i
2.
 
Panasonic GH1 124 mm 90 mm 45 mm 385 g 300 n Mar 2009 899i
3.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 1,799 i
4.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 i
5.
 
Olympus E-M1X 144 mm 147 mm 75 mm 997 g 870 Y Jan 2019 2,999 i
6.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999 i
7.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199i
8.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099i
9.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399i
10.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299i
11.
 
Panasonic G95 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 999 i
12.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199i
13.
 
Panasonic LX100 115 mm 66 mm 55 mm 393 g 300 n Sep 2014 899 i
14.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499i
15.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 599i
16.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899i
17.
 
Panasonic G1 124 mm 84 mm 45 mm 360 g 410 n Sep 2008 599i
Notes: 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 GH1 was launched at a somewhat lower price (by 25 percent) than the E-M5 III, which makes it more attractive for photographers on a tight budget. 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.

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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. 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature a Four Thirds sensor and have a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Olympus E-M5 III and Panasonic GH1 sensor measures

While the two cameras under review share the same sensor size, the E-M5 III offers a higher resolution of 20.2 megapixels, compared with 12 MP of the GH1. This megapixels advantage translates into a 30 percent gain in linear resolution. On the other hand, these sensor specs imply that the E-M5 III has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 4.33μm for the GH1). In this context, it should be noted, however, that the E-M5 III is much more recent (by 10 years and 7 months) than the GH1, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the E-M5 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M5 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M5 III for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Panasonic GH1 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The E-M5 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the GH1, the E-M5 III has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Olympus OM-D E-M5 Mark III has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 64-25600. The corresponding ISO settings for the Panasonic Lumix DMC-GH1 are ISO 100 to ISO 1600, with the possibility to increase the ISO range to 100-3200.

E-M5 III versus GH1 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"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p........
2.
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264
3.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p........
4.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p........
5.
 
Olympus E-M1X Four Thirds 20.2 5184 38884K/30p........
6.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
7.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
8.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
9.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
10.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
11.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p........
12.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
13.
 
Panasonic LX100 Four Thirds 12.7 4112 30884K/30p22.312.555367
14.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
15.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
16.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
17.
 
Panasonic G1 Four Thirds 12.0 4000 3000none21.110.346353

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the E-M5 III provides a higher video resolution than the GH1. It can shoot video footage at 4K/30p, while the Panasonic is limited to 1080/24p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the E-M5 III offers a substantially higher resolution than the one in the GH1 (2360k vs 1440k dots). The following table reports on some other key feature differences and similarities of the Olympus E-M5 III, the Panasonic GH1, and comparable cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-M5 III2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
2.
 
Panasonic GH11440 n 3.0 460 swivel n 1/4000s 3.0 Y n
3.
 
Olympus E-M1 III2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
4.
 
Olympus E-M10 IV2360 n 3.0 1040 tilting Y 1/4000s 15.0 Y Y
5.
 
Olympus E-M1X2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
6.
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
7.
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
8.
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
9.
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y
10.
 
Olympus E-M51440 n 3.0 610 tilting Y 1/4000s 9.0 n Y
11.
 
Panasonic G952360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y
12.
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
13.
 
Panasonic LX1002764 n 3.0 921 fixed n 1/4000s 11.0 n Y
14.
 
Panasonic G10202 n 3.0 460 fixed n 1/4000s 2.6 Y n
15.
 
Panasonic G21440 n 3.0 460 swivel Y 1/4000s 2.6 Y n
16.
 
Panasonic GH21534 n 3.0 460 swivel n 1/4000s 3.0 Y n
17.
 
Panasonic G11440 n 3.0 460 swivel n 1/4000s 3.0 Y n

One feature that differentiates the E-M5 III and the GH1 is in-body image stabilization (IBIS). The E-M5 III reduces the risk of handshake-induced blur with all attached lenses, while the GH1 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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-M5 III 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-M5 III 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.

The E-M5 III writes its imaging data to SDXC cards, while the GH1 uses SDHC cards. The E-M5 III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the GH1 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 Olympus OM-D E-M5 Mark III and Panasonic Lumix DMC-GH1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M5 IIIYstereomonoY-micro2.0Y-Y
2.
 
Panasonic GH1Ystereo-Y-mini2.0---
3.
 
Olympus E-M1 IIIYstereomonoYYmicro3.1Y-Y
4.
 
Olympus E-M10 IVYstereomono--micro2.0Y-Y
5.
 
Olympus E-M1XYstereomonoYYmicro3.0Y-Y
6.
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--
7.
 
Olympus PEN-FYstereomono--micro2.0Y--
8.
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--
9.
 
Olympus E-M1YstereomonoY-micro2.0Y--
10.
 
Olympus E-M5Ystereomono--mini2.0---
11.
 
Panasonic G95YstereomonoYYmicro2.0Y-Y
12.
 
Panasonic GX8YstereomonoY-micro2.0YY-
13.
 
Panasonic LX100Ystereomono--micro2.0YY-
14.
 
Panasonic G10Ymono---mini2.0---
15.
 
Panasonic G2Ystereomono--mini2.0---
16.
 
Panasonic GH2YstereomonoY-mini2.0---
17.
 
Panasonic G1Y----mini2.0---

It is notable that the E-M5 III offers wifi support, while the GH1 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

The E-M5 III is a recent model that features in the current product line-up of Olympus. In contrast, the GH1 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the GH1 was succeeded by the Panasonic GH2. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Panasonic websites.

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Review summary

So what is the bottom line? Is there a clear favorite between the Olympus E-M5 III and the Panasonic GH1? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Olympus OM-D E-M5 Mark III:

  • More detail: Offers more megapixels (20.2 vs 12MP) with a 30% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/24p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2360k vs 1440k dots).
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 460k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3 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.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards.
  • More modern: Reflects 10 years and 7 months of technical progress since the GH1 launch.

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Reasons to prefer the Panasonic Lumix DMC-GH1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.68x).
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was released into a lower priced segment (25 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in March 2009).

If the number of relative strengths (bullet points above) is taken as a guide, the E-M5 III is the clear winner of the match-up (19 : 5 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-M5 III 19:05 GH1

How about other alternatives? Do the specifications of the Olympus E-M5 III and the Panasonic GH1 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-M5 III or the GH1. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M5 III5/5+82/1004.5/54.5/5 Oct 2019 1,199 i
2.
 
Panasonic GH1..+ +72/1004.5/54.5/5 Mar 2009 899i
3.
 
Olympus E-M1 III5/5..83/1004.5/54/5 Feb 2020 1,799 i
4.
 
Olympus E-M10 IV4.5/5....4.5/54.5/5 Aug 2020 699 i
5.
 
Olympus E-M1X4.5/5o..4.5/5.. Jan 2019 2,999 i
6.
 
Olympus E-M1 II5/5+ +85/1004.5/54.5/5 Sep 2016 1,999 i
7.
 
Olympus PEN-F....82/1004.5/55/5 Jan 2016 1,199i
8.
 
Olympus E-M5 II5/5+ +81/1005/55/5 Feb 2015 1,099i
9.
 
Olympus E-M15/5+ +84/1004.5/54.5/5 Sep 2013 1,399i
10.
 
Olympus E-M54/5+ +80/1004.5/55/5 Feb 2012 1,299i
11.
 
Panasonic G954.5/5+83/1004.5/54.5/5 Apr 2019 999 i
12.
 
Panasonic GX85/5+82/1004.5/54.5/5 Jul 2015 1,199i
13.
 
Panasonic LX1005/5+ +85/1005/55/5 Sep 2014 899 i
14.
 
Panasonic G103/5..70/1004/54/5 Mar 2010 499i
15.
 
Panasonic G2....72/1004/54.5/5 Mar 2010 599i
16.
 
Panasonic GH25/5+ +79/1004.5/55/5 Sep 2010 899i
17.
 
Panasonic G1..+ +70/1004/54.5/5 Sep 2008 599i
Notes: (+ +) 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Olympus E-M5 III:
Check Amazon price
Panasonic GH1:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-M5 III vs Panasonic GH1

    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 Olympus E-M5 III Panasonic GH1
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Micro Four Thirds lenses
    Launch Date October 2019 March 2009
    Launch Price USD 1,199 USD 899
    Sensor Specs Olympus E-M5 III Panasonic GH1
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Four Thirds Sensor
    Sensor Size 17.3 x 13.0 mm 17.3 x 13.0 mm
    Sensor Area 224.9 mm2 224.9 mm2
    Sensor Diagonal 21.6 mm 21.6 mm
    Crop Factor 2.0x 2.0x
    Sensor Resolution 20.2 Megapixels 12 Megapixels
    Image Resolution 5184 x 3888 pixels 4000 x 3000 pixels
    Pixel Pitch 3.34 μm 4.33 μm
    Pixel Density 8.96 MP/cm2 5.34 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/24p Video
    ISO Setting 200 - 25,600 ISO 100 - 1,600 ISO
    ISO Boost 64 - 25,600 ISO 100 - 3,200 ISO
    Image Processor TruePic VIII Venus HD
    DXO Sensor Quality (score) .. 64
    DXO Color Depth (bits) .. 21.6
    DXO Dynamic Range (EV) .. 11.6
    DXO Low Light (ISO) .. 772
    Screen Specs Olympus E-M5 III Panasonic GH1
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.68x 0.70x
    Viewfinder Resolution 2360k dots 1440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 460k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-M5 III Panasonic GH1
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 10 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards SDHC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-II no
    Connectivity Specs Olympus E-M5 III Panasonic GH1
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Olympus E-M5 III Panasonic GH1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type BLS-50 DMW-BLB13
    Battery Life (CIPA)310 shots per charge300 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 125 x 85 x 50 mm
    (4.9 x 3.3 x 2.0 in)
    124 x 90 x 45 mm
    (4.9 x 3.5 x 1.8 in)
    Camera Weight 414 g (14.6 oz) 385 g (13.6 oz)

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