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Canon 1D Mark III vs Panasonic GX1

The Canon EOS-1D Mark III and the Panasonic Lumix DMC-GX1 are two digital cameras that were revealed to the public, respectively, in February 2007 and November 2011. The 1D Mark III is a DSLR, while the GX1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-H (1D Mark III) and a Four Thirds (GX1) sensor. The Canon has a resolution of 10.1 megapixels, whereas the Panasonic provides 15.8 MP.

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

Headline Specifications
Canon 1D Mark III versus Panasonic GX1
Canon 1D Mark III Panasonic GX1
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
10.1 MP, APS-H Sensor 15.8 MP, Four Thirds Sensor
no Video 1080/60p Video
ISO 100-3,200 (50 - 6,400) ISO 160-12,800
Optical viewfinder Viewfinder optional
3.0 LCD, 230k dots 3.0 LCD, 460k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
10 shutter flaps per second 4.2 shutter flaps per second
Weathersealed bodynot weather sealed
2200 shots per battery charge320 shots per battery charge
156 x 157 x 80 mm, 1155 g 116 x 68 x 39 mm, 318 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1D Mark III and the Panasonic Lumix DMC-GX1? 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 physical size and weight of the Canon 1D Mark III and the Panasonic GX1 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

Size Canon 1D Mark III vs Panasonic GX1
Compare 1D Mark III versus GX1 top
Comparison 1D Mark III or GX1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX1 is considerably smaller (68 percent) than the Canon 1D Mark III. Moreover, the GX1 is substantially lighter (72 percent) than the 1D Mark III. It is worth mentioning in this context that the 1D Mark III is splash and dust resistant, while the GX1 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (1D Mark III) and the Micro Four Thirds Lens Catalog (GX1). Mirrorless cameras, such as the GX1, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 1D Mark III gets 2200 shots out of its LP-E4 battery, while the GX1 can take 320 images on a single charge of its DMW-BLD10 power pack. As can be seen in the images above, the 1D Mark III has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon 1D Mark III 6.1 in 6.2 in 3.1 in 40.7 oz 2200 Y Feb 2007 4,499i
 
Panasonic GX1 4.6 in 2.7 in 1.5 in 11.2 oz 320 n Nov 2011 699i
 
Canon 5DS R 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i
 
Canon 5D Mark III 6.0 in 4.6 in 3.0 in 33.5 oz 950 Y Mar 2012 3,499i
 
Canon 1D Mark IV 6.1 in 6.2 in 3.1 in 43.4 oz 1500 Y Oct 2009 4,999i
 
Canon 5D Mark II 6.0 in 4.5 in 3.0 in 30.0 oz 850 Y Sep 2008 3,499i
 
Canon 1Ds Mark III 5.9 in 6.3 in 3.1 in 48.9 oz 1800 Y Aug 2007 7,999i
 
Canon 1D Mark II N 6.1 in 6.2 in 3.1 in 55.2 oz 1200 Y Aug 2005 3,999i
 
Canon 1D Mark II 6.1 in 6.2 in 3.1 in 54.1 oz 1200 Y Jan 2004 4,499i
 
Canon 1Ds 6.1 in 6.2 in 3.1 in 44.6 oz 600 Y Sep 2002 8,999i
 
Nikon D3 6.3 in 6.2 in 3.5 in 45.9 oz 4300 Y Aug 2007 4,999i
 
Nikon D2Xs 6.2 in 5.9 in 3.4 in 44.2 oz 3800 Y Jun 2006 4,699i
 
Panasonic G6 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599i
 
Panasonic GM1 3.9 in 2.2 in 1.2 in 7.2 oz 230 n Oct 2013 749i
 
Panasonic G5 4.7 in 3.3 in 2.8 in 14.0 oz 320 n Jul 2012 599i
 
Panasonic G3 4.5 in 3.3 in 1.9 in 11.9 oz 270 n May 2011 599i
 
Panasonic GH2 4.9 in 3.5 in 3.0 in 15.6 oz 330 n Sep 2010 899i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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 GX1 was launched at a markedly lower price (by 84 percent) than the 1D Mark III, 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. 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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 1D Mark III features an APS-H sensor and the Panasonic GX1 a Four Thirds sensor. The sensor area in the GX1 is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 2.0. The sensor in the 1D Mark III has a native 3:2 aspect ratio, while the one in the GX1 offers a 4:3 aspect.

Canon 1D Mark III and Panasonic GX1 sensor measures

Despite having a smaller sensor, the GX1 offers a higher resolution of 15.8 megapixels, compared with 10.1 MP of the 1D Mark III. 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 3.77μm versus 7.21μm for the 1D Mark III). However, it should be noted that the GX1 is much more recent (by 4 years and 8 months) than the 1D Mark III, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Panasonic GX1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GX1 for good quality output (200 dots per inch) amounts to 23 x 17.2 inches or 58.3 x 43.8 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.7 x 35 cm, and for excellent quality (300 dpi) 15.3 x 11.5 inches or 38.9 x 29.2 cm. The corresponding values for the Canon 1D Mark III are 19.4 x 13 inches or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inches or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inches or 32.9 x 21.9 cm for excellent quality prints.

The Canon EOS-1D Mark III has a native sensitivity range from ISO 100 to ISO 3200, which can be extended to ISO 50-6400. The corresponding ISO settings for the Panasonic Lumix DMC-GX1 are ISO 160 to ISO 12800 (no boost).

1D Mark III versus GX1 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 1D Mark III provides substantially higher image quality than the GX1, with an overall score that is 16 points higher. This advantage is based on 1.9 bits higher color depth, 1.1 EV in additional dynamic range, and 0.6 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon 1D Mark III APS-H 10.1 3888 2592none22.711.7107871
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
 
Canon 1D Mark II N APS-H 8.2 3504 2336none22.311.297566
 
Canon 1D Mark II APS-H 8.2 3504 2336none22.311.1100366
 
Canon 1Ds Full Frame 11.0 4064 2704none21.811.095463
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p........
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560

Many modern cameras are not only capable of taking still images, but can also record movies. The GX1 indeed provides for movie recording, while the 1D Mark III does not. The highest resolution format that the GX1 can use is 1080/60p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the 1D Mark III has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GX1 relies on live view and the rear LCD for framing. That said, the GX1 can be equipped with an optional viewfinder – the DMW-LVF2. The following table reports on some other key feature differences and similarities of the Canon 1D Mark III, the Panasonic GX1, 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
 
Canon 1D Mark IIIoptical Y 3.0 230 fixed n 1/8000s 10.0 n n
 
Panasonic GX1optional n 3.0 460 fixed Y 1/4000s 4.2 Y n
 
Canon 5DS Roptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
 
Canon 5D Mark IIIoptical Y 3.2 1040 fixed n 1/8000s 6.0 n n
 
Canon 1D Mark IVoptical Y 3.0 920 fixed n 1/8000s 10.0 n n
 
Canon 5D Mark IIoptical Y 3.0 920 fixed n 1/8000s 3.9 n n
 
Canon 1Ds Mark IIIoptical Y 3.0 230 fixed n 1/8000s 5.0 n n
 
Canon 1D Mark II Noptical Y 2.5 230 fixed n 1/8000s 8.5 n n
 
Canon 1D Mark IIoptical Y 2.0 230 fixed n 1/8000s 8.3 n n
 
Canon 1Dsoptical Y 2.0 120 fixed n 1/8000s 3.0 n n
 
Nikon D3optical Y 3.0 922 fixed n 1/8000s 11.0 n n
 
Nikon D2Xsoptical Y 2.5 230 fixed n 1/8000s 5.0 n n
 
Panasonic G61440 n 3.0 1036 swivel Y 1/4000s 7.0 Y n
 
Panasonic GM1none n 3.0 1036 fixed Y 1/500s 5.0 Y n
 
Panasonic G51440 n 3.0 920 swivel Y 1/4000s 6.0 Y n
 
Panasonic G31440 n 3.0 460 swivel Y 1/4000s 4.0 Y n
 
Panasonic GH21534 n 3.0 460 swivel n 1/4000s 3.0 Y n

One feature that is present on the 1D Mark III, but is missing on the GX1 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 1D Mark III writes its imaging data to Compact Flash or SDHC cards, while the GX1 uses SDXC cards. The 1D Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the GX1 only has one slot. The GX1 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the 1D Mark III 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 Canon EOS-1D Mark III and Panasonic Lumix DMC-GX1 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
 
Canon 1D Mark IIIY-----2.0---
 
Panasonic GX1Ystereomono--mini2.0---
 
Canon 5DS RYmonomonoY-mini3.0---
 
Canon 5D Mark IIIYmonomonoYYmini2.0---
 
Canon 1D Mark IVYstereo-Y-mini2.0---
 
Canon 5D Mark IIYmonomonoY-mini2.0---
 
Canon 1Ds Mark IIIY-----2.0---
 
Canon 1D Mark II NY-----1.1---
 
Canon 1D Mark IIY-----1.1---
 
Canon 1DsY-----FW---
 
Nikon D3Y----mini2.0---
 
Nikon D2XsY-----2.0---
 
Panasonic G6YstereomonoY-mini2.0YY-
 
Panasonic GM1-stereomono--micro2.0Y--
 
Panasonic G5Ystereomono--mini2.0---
 
Panasonic G3Ystereomono--mini2.0---
 
Panasonic GH2YstereomonoY-mini2.0---

Studio photographers will appreciate that the Canon 1D Mark III (unlike the GX1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 1D Mark III and the GX1 have been discontinued, but can regularly be found used on eBay. The 1D Mark III was replaced by the Canon 1D Mark IV, while the GX1 was followed by the Panasonic GX7. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Panasonic websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Canon 1D Mark III or the Panasonic GX1 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Canon EOS-1D Mark III:

  • Better image quality: Scores substantially higher (16 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.9 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1.1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 4.2 flaps/sec) to capture the decisive moment.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (2200 versus 320) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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 available for much longer (launched in February 2007).

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Arguments in favor of the Panasonic Lumix DMC-GX1:

  • More detail: Has more megapixels (15.8 vs 10.1MP), which boosts linear resolution by 23%.
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • More detailed LCD: Has a higher resolution rear screen (460k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More compact: Is smaller (116x68mm vs 156x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 837g or 72 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (84 percent cheaper at launch).
  • More modern: Reflects 4 years and 8 months of technical progress since the 1D Mark III launch.

If the number of relative strengths (bullet points above) is taken as a guide, the 1D Mark III emerges as the winner of the contest (14 : 11 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 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.

1D Mark III 14:11 GX1

How about other alternatives? Do the specifications of the Canon 1D Mark III and the Panasonic GX1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the 1D Mark III and the GX1 in practical situations. 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 expert reviews 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon 1D Mark III......o.. Feb 2007 4,499i
 
Panasonic GX1+77/1004.5/54.5/54.5/5 Nov 2011 699i
 
Canon 5DS R+83/1005/55/54.5/5 Feb 2015 3,699 i
 
Canon 5D Mark III+ +82/1004.5/55/54.5/5 Mar 2012 3,499i
 
Canon 1D Mark IV..89/100..5/5.. Oct 2009 4,999i
 
Canon 5D Mark II91/10079/1004/55/5.. Sep 2008 3,499i
 
Canon 1Ds Mark III..+ +4.5/5.... Aug 2007 7,999i
 
Canon 1D Mark II N.......... Aug 2005 3,999i
 
Canon 1D Mark II..+ +..o.. Jan 2004 4,499i
 
Canon 1Ds..+ +...... Sep 2002 8,999i
 
Nikon D3..+ +5/5o4.5/5 Aug 2007 4,999i
 
Nikon D2Xs......o.. Jun 2006 4,699i
 
Panasonic G6+ +..5/5..4.5/5 Apr 2013 599i
 
Panasonic GM1+78/1005/54.5/54.5/5 Oct 2013 749i
 
Panasonic G5+ +..4.5/54.5/54.5/5 Jul 2012 599i
 
Panasonic G3+ +75/1004.5/54.5/55/5 May 2011 599i
 
Panasonic GH2+ +79/1004.5/54.5/55/5 Sep 2010 899i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon 1D Mark III:
Check Ebay offers
Panasonic GX1:
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: Canon 1D Mark III vs Panasonic GX1

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon 1D Mark III Panasonic GX1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date February 2007 November 2011
    Launch Price USD 4,499 USD 699
    Sensor Specs Canon 1D Mark III Panasonic GX1
    Sensor Technology CMOS CMOS
    Sensor Format APS-H Sensor Four Thirds Sensor
    Sensor Size 28.1 x 18.7 mm 17.3 x 13.0 mm
    Sensor Area 525.47 mm2 224.9 mm2
    Sensor Diagonal 33.8 mm 21.6 mm
    Crop Factor 1.3x 2.0x
    Sensor Resolution 10.1 Megapixels 15.8 Megapixels
    Image Resolution 3888 x 2592 pixels 4592 x 3448 pixels
    Pixel Pitch 7.21 μm 3.77 μm
    Pixel Density 1.92 MP/cm2 7.04 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 3,200 ISO 160 - 12,800 ISO
    ISO Boost 50 - 6,400 ISO no Enhancement
    Image Processor DIGIC III Venus FHD
    DXO Sensor Quality (score) 71 55
    DXO Color Depth (bits) 22.7 20.8
    DXO Dynamic Range (EV) 11.7 10.6
    DXO Low Light (ISO) 1078 703
    Screen Specs Canon 1D Mark III Panasonic GX1
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.58x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 230k dots 460k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 1D Mark III Panasonic GX1
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 10 shutter flaps/s 4.2 shutter flaps/s
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium CF or SDHC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support no UHS-I
    Connectivity Specs Canon 1D Mark III Panasonic GX1
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Canon 1D Mark III Panasonic GX1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type LP-E4 DMW-BLD10
    Battery Life (CIPA)2200 shots per charge320 shots per charge
    Body Dimensions 156 x 157 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    116 x 68 x 39 mm
    (4.6 x 2.7 x 1.5 in)
    Camera Weight 1155 g (40.7 oz) 318 g (11.2 oz)

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