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Panasonic GH1 vs Sony A900

The Panasonic Lumix DMC-GH1 and the Sony Alpha A900 are two digital cameras that were officially introduced, respectively, in March 2009 and September 2008. The GH1 is a mirrorless interchangeable lens camera, while the A900 is a DSLR. The cameras are based on a Four Thirds (GH1) and a full frame (A900) sensor. The Panasonic has a resolution of 12 megapixels, whereas the Sony provides 24.4 MP.

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

Headline Specifications
Panasonic GH1
versus
Sony A900
Panasonic GH1   Sony A900
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Sony A mount lenses
12 MP – Four Thirds sensor 24.4 MP – Full Frame sensor
1080/24p Video no Video
ISO 100-1,600 (100 - 3,200) ISO 200-3,200 (100 - 6,400)
Electronic viewfinder (1440k dots) Optical viewfinder
3.0" LCD – 460k dots 3.0" LCD – 922k dots
Swivel screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3 shutter flaps per second 5 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
300 shots per battery charge880 shots per battery charge
124 x 90 x 45 mm, 385 g 156 x 117 x 82 mm, 895 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GH1 and the Sony Alpha A900? 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 GH1 and the Sony A900. 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 GH1 can be obtained in two different colors (black, red), while the A900 is only available in black.

Size Panasonic GH1 vs Sony A900
Compare GH1 versus A900 top
Comparison GH1 or A900 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A900 is considerably larger (64 percent) than the Panasonic GH1. Moreover, the A900 is substantially heavier (132 percent) than the GH1. It is noteworthy in this context that the A900 is splash and dust-proof, 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. 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 GH1 gets 300 shots out of its DMW-BLB13 battery, while the A900 can take 880 images on a single charge of its NP-FM500H 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic GH1 124 mm 90 mm 45 mm 385 g 300 n Mar 2009 899ebay.com
2.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999ebay.com
3.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
4.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799ebay.com
5.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
6.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
7.
 
Panasonic LX100 115 mm 66 mm 55 mm 393 g 300 n Sep 2014 899ebay.com
8.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
9.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.com
10.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 599ebay.com
11.
 
Panasonic GF2 113 mm 68 mm 33 mm 310 g 300 n Nov 2010 549ebay.com
12.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899ebay.com
13.
 
Panasonic GF1 119 mm 71 mm 36 mm 385 g 380 n Sep 2009 749ebay.com
14.
 
Panasonic G1 124 mm 84 mm 45 mm 360 g 410 n Sep 2008 599ebay.com
15.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
16.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799ebay.com
17.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.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 obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GH1 was launched at a markedly lower price (by 70 percent) than the A900, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the 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.

Of the two cameras under consideration, the Panasonic GH1 features a Four Thirds sensor and the Sony A900 a full frame sensor. The sensor area in the A900 is 283 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.0. The sensor in the GH1 has a native 4:3 aspect ratio, while the one in the A900 offers a 3:2 aspect.

Panasonic GH1 and Sony A900 sensor measures

With 24.4MP, the A900 offers a higher resolution than the GH1 (12MP), but the A900 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 4.33μm for the GH1) due to its larger sensor. However, the GH1 is a somewhat more recent model (by 5 months) than the A900, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A900 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A900 for good quality output (200 dots per inch) amounts to 30.2 x 20.2 inches or 76.8 x 51.2 cm, for very good quality (250 dpi) 24.2 x 16.1 inches or 61.4 x 41 cm, and for excellent quality (300 dpi) 20.2 x 13.4 inches or 51.2 x 34.1 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 Panasonic Lumix DMC-GH1 has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 100-3200. The corresponding ISO settings for the Sony Alpha A900 are ISO 200 to ISO 3200, with the possibility to increase the ISO range to 100-6400.

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.

GH1 versus A900 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the A900 offers substantially better image quality than the GH1 (overall score 15 points higher). The advantage is based on 2.1 bits higher color depth, 0.7 EV in additional dynamic range, and 0.9 stops in additional low light sensitivity. 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.
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264
2.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
3.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
4.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
5.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
6.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
7.
 
Panasonic LX100 Four Thirds 12.7 4112 30884K/30p22.312.555367
8.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
9.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
10.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
11.
 
Panasonic GF2 Four Thirds 12.0 4000 30001080/60i21.210.350654
12.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
13.
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354
14.
 
Panasonic G1 Four Thirds 12.0 4000 3000none21.110.346353
15.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
16.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
17.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579

Many modern cameras are not only capable of taking still images, but can also record movies. The GH1 indeed provides movie recording capabilities, while the A900 does not. The highest resolution format that the GH1 can use is 1080/24p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the GH1 has an electronic viewfinder (1440k dots), while the A900 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A900 has a higher magnification than the one of the GH1 (0.74x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Panasonic GH1, the Sony A900, and comparable cameras.

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Core Features
    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 GH11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
2.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0/s n Y
3.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
4.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
5.
 
Olympus E-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
6.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
7.
 
Panasonic LX1002764 n3.0 / 921 fixed n 1/4000s 11.0/s n Y
8.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
9.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
10.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
11.
 
Panasonic GF2optional n3.0 / 460 fixed Y 1/4000s 2.6/s Y n
12.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
13.
 
Panasonic GF1optional n3.0 / 460 fixed n 1/4000s 3.0/s Y n
14.
 
Panasonic G11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
15.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
16.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
17.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
Notes: *) 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 GH1 has one, while the A900 does not. While the built-in flash of the GH1 is not very powerful, it can at times be useful as a fill-in light.

The GH1 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 A900 does not have a selfie-screen.

The GH1 writes its imaging data to SDHC cards, while the A900 uses Compact Flash or Memory Stick PRO Duo cards. The A900 features dual card slots, which can be very useful in case a memory card fails. In contrast, the GH1 only has one slot.

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-GH1 and Sony Alpha A900 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
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic GH1Ystereo / -Y-mini2.0---
2.
 
Sony A900Y- / ---mini2.0---
3.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
4.
 
Olympus E-P1Ystereo / ---mini2.0---
5.
 
Olympus E-P2Ystereo / ---mini2.0---
6.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
7.
 
Panasonic LX100Ystereo / mono--micro2.0YY-
8.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
9.
 
Panasonic G10Ymono / ---mini2.0---
10.
 
Panasonic G2Ystereo / mono--mini2.0---
11.
 
Panasonic GF2Ystereo / mono--mini2.0---
12.
 
Panasonic GH2Ystereo / monoY-mini2.0---
13.
 
Panasonic GF1Ymono / mono--mini2.0---
14.
 
Panasonic G1Y- / ---mini2.0---
15.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
16.
 
Sony A99Ystereo / monoYYmini2.0---
17.
 
Sony A850Y- / ---mini2.0---

Studio photographers will appreciate that the Sony A900 (unlike the GH1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the GH1 and the A900 have been discontinued, but can regularly be found used on ebay. The A900 was replaced by the Sony A99, while the GH1 was followed by the Panasonic GH2. Further information on the features and operation of the GH1 and A900 can be found, respectively, in the Panasonic GH1 Manual (free pdf) or the online Sony A900 Manual.

Review summary

So how do things add up? Which of the two cameras – the Panasonic GH1 or the Sony A900 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Panasonic Lumix DMC-GH1:

  • Broader imaging potential: Can record not only still images but also 1080/24p movies.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (124x90mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 510g or 57 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (70 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 5 months after the A900).

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Arguments in favor of the Sony Alpha A900:

  • More detail: Has more megapixels (24.4 vs 12MP), which boosts linear resolution by 45%.
  • Better image quality: Scores substantially higher (15 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.1 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (0.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.9 stops ISO advantage).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.70x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (922k vs 460k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (880 versus 300) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • 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.
  • More heavily discounted: Has been on the market for longer (launched in September 2008).

If the count of individual advantages (bullet points above) is taken as a guide, the A900 is the clear winner of the contest (17 : 10 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 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.

GH1 10:17 A900

How about other alternatives? Do the specifications of the Panasonic GH1 and the Sony A900 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 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 GH1 and the A900 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic GH1..+ +..72/1004.5/54.5/5 Mar 2009 899ebay.com
2.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999ebay.com
3.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
4.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799ebay.com
5.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
6.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
7.
 
Panasonic LX1005/5+ +..85/1005/55/5 Sep 2014 899ebay.com
8.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
9.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.com
10.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 599ebay.com
11.
 
Panasonic GF23/582/100..70/1004.5/54.5/5 Nov 2010 549ebay.com
12.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
13.
 
Panasonic GF1..85/100..69/1004.5/54.5/5 Sep 2009 749ebay.com
14.
 
Panasonic G1..+ +..70/1004/54.5/5 Sep 2008 599ebay.com
15.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
16.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799ebay.com
17.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Panasonic GH1 vs Sony A900

    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 GH1 Sony A900
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Sony A mount lenses
    Launch Date March 2009 September 2008
    Launch Price USD 899 USD 2,999
    Sensor Specs Panasonic GH1 Sony A900
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.9 x 24.0 mm
    Sensor Area 224.9 mm2 861.6 mm2
    Sensor Diagonal 21.6 mm 43.2 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 12 Megapixels 24.4 Megapixels
    Image Resolution 4000 x 3000 pixels 6048 x 4032 pixels
    Pixel Pitch 4.33 μm 5.94 μm
    Pixel Density 5.34 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/24p Video no Video
    ISO Setting 100 - 1,600 ISO 200 - 3,200 ISO
    ISO Boost 100 - 3,200 ISO 100 - 6,400 ISO
    Image Processor Venus HD BIONZ
    DXO Sensor Quality (score) 64 79
    DXO Color Depth (bits) 21.6 23.7
    DXO Dynamic Range (EV) 11.6 12.3
    DXO Low Light (ISO) 772 1431
    Screen Specs Panasonic GH1 Sony A900
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.74x
    Viewfinder Resolution 1440k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 460k dots 922k dots
    LCD Attachment Swivel screen Fixed screen
    Shooting Specs Panasonic GH1 Sony A900
    Focus System Contrast-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 5 shutter flaps/s
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDHC cards CF or MS cards
    Single or Dual Card Slots Single card slot Dual card slots
    Connectivity Specs Panasonic GH1 Sony A900
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi no Wifi
    Body Specs Panasonic GH1 Sony A900
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type DMW-BLB13 NP-FM500H
    Battery Life (CIPA)300 shots per charge880 shots per charge
    Body Dimensions 124 x 90 x 45 mm
    (4.9 x 3.5 x 1.8 in)
    156 x 117 x 82 mm
    (6.1 x 4.6 x 3.2 in)
    Camera Weight 385 g (13.6 oz) 895 g (31.6 oz)
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