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Panasonic GH3 vs Olympus E-620

The Panasonic Lumix DMC-GH3 and the Olympus E-620 are two digital cameras that were announced, respectively, in September 2012 and February 2009. The GH3 is a mirrorless interchangeable lens camera, while the E-620 is a DSLR. Both cameras are equipped with a Four Thirds sensor. The Panasonic has a resolution of 15.9 megapixels, whereas the Olympus provides 12.2 MP.

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

Headline Specifications
Panasonic GH3
versus
Olympus E-620
Panasonic GH3   Olympus E-620
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Four Thirds lenses
15.9 MP – Four Thirds sensor 12.2 MP – Four Thirds sensor
1080/60p Video no Video
ISO 200-12,800 (125 - 25,600) ISO 100-3,200
Electronic viewfinder (1746k dots) Optical viewfinder
3.0" LCD – 614k dots 2.7" LCD – 230k dots
Swivel touchscreen Swivel screen (not touch-sensitive)
6 shutter flaps per second 4 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
540 shots per battery charge500 shots per battery charge
133 x 93 x 82 mm, 550 g 130 x 94 x 60 mm, 521 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GH3 and the Olympus E-620? 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 physical size and weight of the Panasonic GH3 and the Olympus E-620 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Panasonic GH3 vs Olympus E-620
Compare GH3 versus E-620 top
Comparison GH3 or E-620 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-620 is somewhat smaller (1 percent) than the Panasonic GH3. Moreover, the E-620 is markedly lighter (5 percent) than the GH3. It is worth mentioning in this context that the GH3 is splash and dust resistant, while the E-620 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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Micro Four Thirds Lens Catalog (GH3) and the Four Thirds Lens Catalog (E-620). Mirrorless cameras, such as the Panasonic GH3, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the GH3 gets 540 shots out of its Panasonic DMW-BLF19 battery, while the E-620 can take 500 images on a single charge of its Olympus BLS-1 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.
 
Panasonic GH3 133 mm 93 mm 82 mm 550 g 540 Y Sep 2012 1,299ebay.com
2.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 699ebay.com
3.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
4.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
5.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299ebay.com
6.
 
Olympus E-600 130 mm 94 mm 60 mm 535 g 500 n Aug 2009 449ebay.com
7.
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 599ebay.com
8.
 
Olympus E-520 136 mm 92 mm 68 mm 535 g 750 n May 2008 699ebay.com
9.
 
Olympus E-410 130 mm 91 mm 53 mm 435 g 500 n Mar 2007 699ebay.com
10.
 
Olympus E-510 136 mm 92 mm 68 mm 538 g 750 n Mar 2007 799ebay.com
11.
 
Panasonic G85 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 899ebay.com
12.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
13.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 1,499ebay.com
14.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
15.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749ebay.com
16.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 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 obviously take relative prices into account. 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 E-620 was launched at a markedly lower price (by 46 percent) than the GH3, 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras 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.

Panasonic GH3 and Olympus E-620 sensor measures

While the two cameras under review share the same sensor size, the GH3 offers a higher resolution of 15.9 megapixels, compared with 12.2 MP of the E-620. This megapixels advantage translates into a 14 percent gain in linear resolution. On the other hand, these sensor specs imply that the GH3 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 4.29μm for the E-620). In this context, it should be noted, however, that the GH3 is much more recent (by 3 years and 6 months) than the E-620, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size.

The resolution advantage of the Panasonic GH3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GH3 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 Olympus E-620 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

The Panasonic Lumix DMC-GH3 has a native sensitivity range from ISO 200 to ISO 12800, which can be extended to ISO 125-25600. The corresponding ISO settings for the Olympus E-620 are ISO 100 to ISO 3200 (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.

GH3 versus E-620 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under review, the GH3 provides substantially higher image quality than the E-620, with an overall score that is 16 points higher. This advantage is based on 1.4 bits higher color depth, 2.1 EV in additional dynamic range, and 0.6 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.
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271
2.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
3.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
4.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
5.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
6.
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155
7.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
8.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
9.
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
10.
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
11.
 
Panasonic G85 Four Thirds 15.8 4592 34484K/30p22.812.565671
12.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
13.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
14.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
15.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
16.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
17.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
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Many modern cameras cannot only take still pictures, but also record videos. The GH3 indeed provides movie recording capabilities, while the E-620 does not. The highest resolution format that the GH3 can use is 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the GH3 has an electronic viewfinder (1746k dots), while the E-620 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 viewfinder in the GH3 offers a wider field of view (100%) than the one in the E-620 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the GH3 has a higher magnification (0.67x vs 0.48x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Panasonic GH3 and Olympus E-620 along with similar information for a selection of comparators.

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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.
 
Panasonic GH31746 n3.0 / 614 swivel Y 1/4000s 6.0/s Y n
2.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
3.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
4.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
5.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
6.
 
Olympus E-600optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
7.
 
Olympus E-420optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
8.
 
Olympus E-520optical n2.7 / 215 fixed n 1/4000s 3.5/s Y Y
9.
 
Olympus E-410optical n2.5 / 215 fixed n 1/4000s 3.0/s Y n
10.
 
Olympus E-510optical n2.5 / 215 fixed n 1/4000s 3.0/s Y Y
11.
 
Panasonic G852360 n3.0 / 1040 swivel Y 1/4000s 9.0/s Y Y
12.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
13.
 
Panasonic GH42359 n3.0 / 1036 swivel Y 1/8000s 12.0/s Y n
14.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
15.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0/s Y n
16.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/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 differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GH3 has a touchscreen, while the E-620 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 GH3 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 Panasonic GH3 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 GH3 writes its imaging data to SDXC cards, while the E-620 uses Compact Flash or xD Picture cards. The E-620 features dual card slots, which can be very useful in case a memory card fails. In contrast, the GH3 only has one slot.

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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 Panasonic Lumix DMC-GH3 and Olympus E-620 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.
 
Panasonic GH3Ystereo / monoYYmini2.0Y--
2.
 
Olympus E-620Y- / ----2.0---
3.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
4.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
5.
 
Olympus E-M5Ystereo / mono--mini2.0---
6.
 
Olympus E-600Y- / ----2.0---
7.
 
Olympus E-420Y- / ----2.0---
8.
 
Olympus E-520Y- / ----2.0---
9.
 
Olympus E-410Y- / ----2.0---
10.
 
Olympus E-510Y- / ----2.0---
11.
 
Panasonic G85Ystereo / monoY-micro2.0Y--
12.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
13.
 
Panasonic GH4Ystereo / monoYYmicro2.0YY-
14.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
15.
 
Panasonic GM1-stereo / mono--micro2.0Y--
16.
 
Panasonic G5Ystereo / mono--mini2.0---
17.
 
Panasonic GH2Ystereo / monoY-mini2.0---
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It is notable that the GH3 offers wifi support, while the E-620 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Panasonic GH3 (unlike the E-620) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the GH3 and the E-620 have been discontinued, but can regularly be found used on ebay. The E-620 was replaced by the Olympus E-600, while the GH3 was followed by the Panasonic GH4. Further information on the features and operation of the GH3 and E-620 can be found, respectively, in the Panasonic GH3 Manual (free pdf) or the online Olympus E-620 Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Panasonic GH3 and the Olympus E-620? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Panasonic Lumix DMC-GH3:

  • More detail: Offers more megapixels (15.9 vs 12.2MP) with a 14% higher linear resolution.
  • Better image quality: Scores substantially higher (16 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.4 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
  • Broader imaging potential: Can record not only still images but also 1080/60p movies.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.67x vs 0.48x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (614k vs 230k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (6 vs 4 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.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • 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.
  • More modern: Reflects 3 years and 6 months of technical progress since the E-620 launch.

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Advantages of the Olympus E-620:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was introduced into a lower priced category (46 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2009).

If the number of relative strengths (bullet points above) is taken as a guide, the GH3 is the clear winner of the match-up (20 : 5 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 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.

GH3 20:05 E-620

How about other alternatives? Do the specifications of the Panasonic GH3 and the Olympus E-620 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings 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 says little about, for example, the shooting experience and imaging performance of the GH3 and the E-620 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 following table reports the overall ratings of the cameras as published by some of the major camera 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.
 
Panasonic GH35/5+ +..79/1004.5/54.5/5 Sep 2012 1,299ebay.com
2.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 699ebay.com
3.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
4.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
5.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299ebay.com
6.
 
Olympus E-600..........4.5/5 Aug 2009 449ebay.com
7.
 
Olympus E-420..85/100..+ +4/54.5/5 Mar 2008 599ebay.com
8.
 
Olympus E-520..87/100..+ +4.5/54.5/5 May 2008 699ebay.com
9.
 
Olympus E-410..86/100..+ +4/54.5/5 Mar 2007 699ebay.com
10.
 
Olympus E-510..89/100..+ +3.5/54.5/5 Mar 2007 799ebay.com
11.
 
Panasonic G85..+ +..84/1005/54.5/5 Sep 2016 899ebay.com
12.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
13.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 1,499ebay.com
14.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
15.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 749ebay.com
16.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 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. 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.

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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: Panasonic GH3 vs Olympus E-620

    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 Panasonic GH3 Olympus E-620
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Four Thirds lenses
    Launch Date September 2012 February 2009
    Launch Price USD 1,299 USD 699
    Sensor Specs Panasonic GH3 Olympus E-620
    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 15.9 Megapixels 12.2 Megapixels
    Image Resolution 4608 x 3456 pixels 4032 x 3024 pixels
    Pixel Pitch 3.76 μm 4.29 μm
    Pixel Density 7.08 MP/cm2 5.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video no Video
    ISO Setting 200 - 12,800 ISO 100 - 3,200 ISO
    ISO Boost 125 - 25,600 ISO no Enhancement
    Image Processor Venus VII FHD TruePic III+
    DXO Sensor Quality (score) 71 55
    DXO Color Depth (bits) 22.7 21.3
    DXO Dynamic Range (EV) 12.4 10.3
    DXO Low Light (ISO) 812 536
    Screen Specs Panasonic GH3 Olympus E-620
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.67x 0.48x
    Viewfinder Resolution 1746k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 2.7inch
    LCD Resolution 614k dots 230k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic GH3 Olympus E-620
    Focus System Contrast-detect AF Phase-detect AF
    Continuous Shooting 6 shutter flaps/s 4 shutter flaps/s
    Electronic ShutterYESno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards CF or XD cards
    Single or Dual Card Slots Single card slot Dual card slots
    Connectivity Specs Panasonic GH3 Olympus E-620
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Body Specs Panasonic GH3 Olympus E-620
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Panasonic DMW-BLF19 Olympus BLS-1
    Battery Life (CIPA)540 shots per charge500 shots per charge
    Body Dimensions 133 x 93 x 82 mm
    (5.2 x 3.7 x 3.2 in)
    130 x 94 x 60 mm
    (5.1 x 3.7 x 2.4 in)
    Camera Weight 550 g (19.4 oz) 521 g (18.4 oz)
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    Check GH3 offers at
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    Check E-620 offers at
    ebay.com

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