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Panasonic G9 vs Sony A58

The Panasonic Lumix DC-G9 and the Sony Alpha SLT-A58 are two digital cameras that were announced, respectively, in November 2017 and February 2013. The G9 is a mirrorless interchangeable lens camera, while the A58 is a DSLR. The cameras are based on a Four Thirds (G9) and an APS-C (A58) sensor. The Panasonic has a resolution of 20.2 megapixels, whereas the Sony provides 19.8 MP.

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

Headline Specifications
Panasonic G9   Sony A58
Panasonic G9 Sony A58
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Sony A mount lenses
20.2 MP, Four Thirds Sensor 19.8 MP, APS-C Sensor
4K/60p Video 1080/60i Video
ISO 200-25600 ISO 100-16000 (100-25600)
Electronic viewfinder (3680k dots) Electronic viewfinder (1440k dots)
3.0" LCD, 1040k dots 2.7" LCD, 460k dots
Swivel touchscreen Tilting screen (not touch-sensitive)
20 shutter flaps per second 5 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyNot weather sealed
400 shots per battery charge690 shots per battery charge
137 x 97 x 92 mm, 658 g 129 x 95 x 78 mm, 492 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DC-G9 and the Sony Alpha SLT-A58? 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

The side-by-side display below illustrates the physical size and weight of the Panasonic G9 and the Sony A58. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Panasonic G9 vs Sony A58
Compare G9 versus A58 top
Comparison G9 or A58 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A58 is notably smaller (8 percent) than the Panasonic G9. Moreover, the A58 is markedly lighter (25 percent) than the G9. It is worth mentioning in this context that the G9 is splash and dust resistant, while the A58 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the G9 gets 400 shots out of its DMW-BLF19 battery, while the A58 can take 690 images on a single charge of its NP-FM500H power pack. The power pack in the G9 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. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Panasonic G9» 5.4 in 3.8 in 3.6 in 23.2 oz 400 Y Nov 2017 1,699 i i Panasonic G9
 
Sony A58« 5.1 in 3.7 in 3.1 in 17.4 oz 690 n Feb 2013 599- i Sony A58
 
Canon T5i« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i Canon T5i
 
Fujifilm X-H1« » 5.5 in 3.8 in 3.4 in 23.7 oz 310 Y Feb 2018 1,899 i i Fujifilm X-H1
 
Nikon Z6« » 5.3 in 4.0 in 2.6 in 23.8 oz 310 Y Aug 2018 1,999 i i Nikon Z6
 
Nikon D3200« » 4.9 in 3.8 in 3.0 in 17.8 oz 540 n Apr 2012 599- i Nikon D3200
 
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 i i Olympus E-M1 II
 
Panasonic GH5s« » 5.5 in 3.9 in 3.4 in 23.3 oz 440 Y Jan 2018 2,499 i i Panasonic GH5s
 
Panasonic GX9« » 4.9 in 2.8 in 1.9 in 14.4 oz 260 n Feb 2018 849 i i Panasonic GX9
 
Panasonic GH5« » 5.5 in 3.9 in 3.4 in 25.6 oz 410 Y Jan 2017 1,999 i i Panasonic GH5
 
Panasonic G85« » 5.0 in 3.5 in 2.9 in 17.8 oz 330 Y Sep 2016 899- i Panasonic G85
 
Panasonic GX8« » 5.2 in 3.1 in 2.5 in 17.2 oz 330 Y Jul 2015 1,199- i Panasonic GX8
 
Panasonic GH4« » 5.2 in 3.7 in 3.3 in 19.8 oz 500 Y Feb 2014 1,499- i Panasonic GH4
 
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i Sony A7 III
 
Sony A68« » 5.6 in 4.1 in 3.2 in 21.5 oz 540 n Nov 2015 699- i Sony A68
 
Sony A5100« » 4.3 in 2.5 in 1.4 in 10.0 oz 400 n Aug 2014 549 i i Sony A5100
 
Sony A3000« » 5.0 in 3.6 in 3.3 in 14.5 oz 470 n Aug 2013 329- i Sony A3000
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A58 was launched at a markedly lower price (by 65 percent) than the G9, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

 

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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic G9 features a Four Thirds sensor and the Sony A58 an APS-C sensor. The sensor area in the A58 is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the G9 has a native 4:3 aspect ratio, while the one in the A58 offers a 3:2 aspect.

In terms of underlying technology, both cameras are build around CMOS sensors.

Panasonic G9 and Sony A58 sensor measures

Despite having a smaller sensor, the Panasonic G9 offers a higher resolution of 20.2 megapixels, compared with 19.8 MP of the Sony A58. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 4.31μm for the A58). However, it should be noted that the G9 is much more recent (by 4 years and 8 months) than the A58, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the G9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

Unlike the A58, the G9 has the capacity to capture high quality composite images (80.6MP) 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 Panasonic Lumix DC-G9 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Alpha SLT-A58 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 100-25600.

G9 versus A58 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Panasonic G9» Four Thirds 20.2 5184 38884K/60p----Panasonic G9
 
Sony A58« APS-C 19.8 5456 36321080/60i23.312.575374Sony A58
 
Canon T5i« » APS-C 17.9 5184 34561080/30p21.711.268161Canon T5i
 
Fujifilm X-H1« » APS-C 24.0 6000 40004K/30p----Fujifilm X-H1
 
Nikon Z6« » Full Frame 24.3 6048 40244K/30p25.314.3329995Nikon Z6
 
Nikon D3200« » APS-C 24.1 6016 40001080/30p24.113.2113181Nikon D3200
 
Olympus E-M1 II« » Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
 
Panasonic GH5s« » Four Thirds 9.9 3680 27004K/60p----Panasonic GH5s
 
Panasonic GX9« » Four Thirds 20.2 5184 38884K/30p----Panasonic GX9
 
Panasonic GH5« » Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
 
Panasonic G85« » Four Thirds 15.8 4592 34484K/30p22.812.565671Panasonic G85
 
Panasonic GX8« » Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
 
Panasonic GH4« » Four Thirds 15.9 4608 34564K/30p23.212.879174Panasonic GH4
 
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Sony A68« » APS-C 24.0 6000 40001080/60i24.113.570179Sony A68
 
Sony A5100« » APS-C 24.0 6000 40001080/60p23.812.7134780Sony A5100
 
Sony A3000« » APS-C 19.8 5456 36321080/60i23.712.8106878Sony A3000

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 G9 provides a higher video resolution than the A58. It can shoot video footage at 4K/60p, while the Sony is limited to 1080/60i.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the G9 offers a substantially higher resolution than the one in the A58 (3680k vs 1440k dots). The adjacent table lists some of the other core features of the Panasonic G9 and Sony A58 along with similar information for a selection of comparators.

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
Camera
Model
 
Panasonic G9»3680 Y 3.0 1040 swivel Y 1/8000s 20.0 n Y Panasonic G9
 
Sony A58«1440 n 2.7 460 tilting n 1/4000s 5.0 Y Y Sony A58
 
Canon T5i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T5i
 
Fujifilm X-H1« »3690 Y 3.0 1040 full-flex Y 1/8000s 14.0 n Y Fujifilm X-H1
 
Nikon Z6« »3690 Y 3.2 2100 tilting Y 1/8000s 12.0 n Y Nikon Z6
 
Nikon D3200« »optical n 3.0 921 fixed n 1/4000s 4.0 Y n Nikon D3200
 
Olympus E-M1 II« »2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 II
 
Panasonic GH5s« »3680 n 3.2 1620 swivel Y 1/8000s 12.0 n n Panasonic GH5s
 
Panasonic GX9« »2760 n 3.0 1240 tilting Y 1/4000s 9.0 Y Y Panasonic GX9
 
Panasonic GH5« »3680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y Panasonic GH5
 
Panasonic G85« »2360 n 3.0 1040 swivel Y 1/4000s 9.0 Y Y Panasonic G85
 
Panasonic GX8« »2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8
 
Panasonic GH4« »2359 n 3.0 1036 swivel Y 1/8000s 12.0 Y n Panasonic GH4
 
Sony A7 III« »2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony A68« »1440 Y 2.7 460 tilting n 1/4000s 8.0 Y Y Sony A68
 
Sony A5100« »- n 3.0 922 tilting Y 1/4000s 6.0 Y n Sony A5100
 
Sony A3000« »202 n 3.0 230 fixed n 1/4000s 2.5 Y n Sony A3000

One feature that is present on the G9, but is missing on the A58 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 G9 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the A58 does not have a selfie-screen.

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 G9 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 G9 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 G9 writes its imaging data to SDXC cards, while the A58 uses SDXC or Memory Stick PRO Duo cards. The G9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A58 only has one slot. The G9 supports UHS-II cards (on both slots), while the A58 cannot take advantage of Ultra High Speed SD cards.

 

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 DC-G9 and Sony Alpha SLT-A58 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Panasonic G9»YstereomonoYYfull3.0Y-YPanasonic G9
 
Sony A58«YstereomonoY-mini2.0---Sony A58
 
Canon T5i« »YstereomonoY-mini2.0---Canon T5i
 
Fujifilm X-H1« »YstereomonoY-micro3.0Y--Fujifilm X-H1
 
Nikon Z6« »YstereomonoYYmicro3.1Y-YNikon Z6
 
Nikon D3200« »YmonomonoY-mini2.0---Nikon D3200
 
Olympus E-M1 II« »YstereomonoYYmicro3.0Y--Olympus E-M1 II
 
Panasonic GH5s« »YstereomonoYYfull3.1Y-YPanasonic GH5s
 
Panasonic GX9« »Ystereomono--micro2.0Y-YPanasonic GX9
 
Panasonic GH5« »YstereomonoYYfull3.1Y-YPanasonic GH5
 
Panasonic G85« »YstereomonoY-micro2.0Y--Panasonic G85
 
Panasonic GX8« »YstereomonoY-micro2.0YY-Panasonic GX8
 
Panasonic GH4« »YstereomonoYYmicro2.0YY-Panasonic GH4
 
Sony A7 III« »YstereomonoYYmicro3.1YYYSony A7 III
 
Sony A68« »YstereomonoY-micro2.0---Sony A68
 
Sony A5100« »-stereomono--micro2.0YY-Sony A5100
 
Sony A3000« »Ystereomono--mini2.0---Sony A3000

It is notable that the G9 has a headphone jack, which is not present on the A58 This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Studio photographers will appreciate that the Panasonic G9 (unlike the A58) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The G9 is a recent model that features in the current product line-up of Panasonic. In contrast, the A58 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A58 was succeeded by the Sony A68. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Sony websites.


Review summary

So how do things add up? Is there a clear favorite between the Panasonic G9 and the Sony A58? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Panasonic Lumix DC-G9:

  • 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/60p vs 1080/60i).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3680k vs 1440k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.83x vs 0.57x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • 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 (1040k vs 460k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (20 vs 5 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.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • 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.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More modern: Reflects 4 years and 8 months of technical progress since the A58 launch.

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Arguments in favor of the Sony Alpha SLT-A58:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Less heavy: Has a lower weight (by 166g or 25 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (690 versus 400) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (65 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2013).

If the number of relative strengths (bullet points above) is taken as a guide, the G9 is the clear winner of the match-up (26 : 6 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G9 26:06 A58

How about other alternatives? Do the specifications of the Panasonic G9 and the Sony A58 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 G9 and the A58 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 following table reports the overall ratings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Panasonic G9»+ +85/1005/55/55/5 Nov 2017 1,699 i i Panasonic G9
 
Sony A58«--4.5/54.5/54.5/5 Feb 2013 599- i Sony A58
 
Canon T5i« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i Canon T5i
 
Fujifilm X-H1« »+86/1004.5/5-4.5/5 Feb 2018 1,899 i i Fujifilm X-H1
 
Nikon Z6« »--4.5/54.5/55/5 Aug 2018 1,999 i i Nikon Z6
 
Nikon D3200« »+ +73/1004.5/54.5/54.5/5 Apr 2012 599- i Nikon D3200
 
Olympus E-M1 II« »+ +85/1004.5/55/54.5/5 Sep 2016 1,999 i i Olympus E-M1 II
 
Panasonic GH5s« »-84/1004.5/55/54.5/5 Jan 2018 2,499 i i Panasonic GH5s
 
Panasonic GX9« »+84/1004.5/54.5/54.5/5 Feb 2018 849 i i Panasonic GX9
 
Panasonic GH5« »+ +85/1004.5/55/55/5 Jan 2017 1,999 i i Panasonic GH5
 
Panasonic G85« »+ +84/1005/54.5/54.5/5 Sep 2016 899- i Panasonic G85
 
Panasonic GX8« »+82/1004.5/55/54.5/5 Jul 2015 1,199- i Panasonic GX8
 
Panasonic GH4« »+ +85/1005/55/55/5 Feb 2014 1,499- i Panasonic GH4
 
Sony A7 III« »+ +89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III
 
Sony A68« »--4/5-4/5 Nov 2015 699- i Sony A68
 
Sony A5100« »+-4.5/54.5/55/5 Aug 2014 549 i i Sony A5100
 
Sony A3000« »+-4/54.5/54/5 Aug 2013 329- i Sony A3000
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The above review scores should be interpreted with care, 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Panasonic G9:
Check Amazon price
Sony A58:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, 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 G9 vs Sony A58

    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 G9 Sony A58
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Sony A mount lenses
    Launch Date November 2017 February 2013
    Launch Price USD 1699 USD 599
    Sensor Specs Panasonic G9 Sony A58
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 20.2 Megapixels 19.8 Megapixels
    Image Resolution 5184 x 3888 pixels 5456 x 3632 pixels
    Pixel Pitch 3.34 μm 4.31 μm
    Pixel Density 8.96 MP/cm2 5.41 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/60p Video 1080/60i Video
    ISO Setting 200-25600 ISO 100-16000 ISO
    ISO Boost 100-25600 ISO 100-25600 ISO
    DXO Sensor Quality (score) .. 74
    DXO Color Depth (bits) .. 23.3
    DXO Dynamic Range (EV) .. 12.5
    DXO Low Light (ISO) .. 753
    Screen Specs Panasonic G9 Sony A58
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.83x 0.57x
    Viewfinder Resolution 3680k dots 1440k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 2.7 inch
    LCD Resolution 1040k dots 460k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic G9 Sony A58
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/4000/s
    Continuous Shooting 20 shutter flaps/s 5 shutter flaps/s
    Shutter Life Expectancy200 000 actuations100 000 actuations
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II no
    Connectivity Specs Panasonic G9 Sony A58
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port full HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Panasonic G9 Sony A58
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type DMW-BLF19 NP-FM500H
    Battery Life (CIPA)400 shots per charge690 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 137 x 97 x 92 mm
    (5.4 x 3.8 x 3.6 in)
    129 x 95 x 78 mm
    (5.1 x 3.7 x 3.1 in)
    Camera Weight 658 g (23.2 oz) 492 g (17.4 oz)

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