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Canon 1D Mark III versus Panasonic LX100

The Canon EOS-1D Mark III and the Panasonic Lumix DMC-LX100 are two digital cameras that were revealed to the public, respectively, in February 2007 and September 2014. The 1D Mark III is a DSLR, while the LX100 is a fixed lens compact. The cameras are based on an APS-H (1D Mark III) and a Four Thirds (LX100) sensor. The Canon has a resolution of 10.1 megapixel, whereas the Panasonic provides 12.7 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon 1D Mark III vs Panasonic LX100

The physical size and weight of the Canon 1D Mark III and the Panasonic LX100 are illustrated in the side-by-side display below. Three consecutive perspectives from the front, the top, and the back are presented. All width, height and depth dimensions are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left side – the 1D Mark III – represents the basis for the calculations across all the size and weight measures).

Compare Canon 1D Mark III vs Panasonic LX100
1D Mark III versus LX100 top view
1D Mark III and LX100 rear side

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic LX100 is considerably smaller (69 percent) than the Canon 1D Mark III. It is worth mentioning in this context that the 1D Mark III is splash and dust resistant, while the LX100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the LX100 has a lens build in, whereas the 1D Mark III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the 1D Mark III and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the 1D Mark III gets 2200 shots out of its LP-E4 battery, while the LX100 can take 300 images on a single charge of its DMW-BLG10 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
Camera Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon 1D Mark III (⇒ rgt) 6.1 in 6.2 in 3.1 in 40.7 oz 2200 YES 2007 4,499discont. check
Panasonic LX100 (⇒ lft) 4.5 in 2.6 in 2.2 in 13.9 oz 300 no 2014 899 latest check
Canon 5DS R (⇒ lft | rgt) 6.0 in 4.6 in 3.0 in 32.8 oz 700 YES 2015 3,699 latest check
Canon G5 X (⇒ lft | rgt) 4.4 in 3.0 in 1.7 in 12.5 oz 210 no 2015 799 latest check
Canon G1 X Mark II (⇒ lft | rgt) 4.6 in 2.9 in 2.6 in 19.5 oz 240 no 2014 799 latest check
Canon 5D Mark III (⇒ lft | rgt) 6.0 in 4.6 in 3.0 in 33.5 oz 950 YES 2012 3,499discont. check
Canon 1D Mark IV (⇒ lft | rgt) 6.1 in 6.2 in 3.1 in 43.4 oz 1500 YES 2009 4,999discont. check
Canon 5D Mark II (⇒ lft | rgt) 6.0 in 4.5 in 3.0 in 30.0 oz 850 YES 2008 3,499discont. check
Canon 1Ds Mark III (⇒ lft | rgt) 5.9 in 6.3 in 3.1 in 48.9 oz 1800 YES 2007 7,999discont. check
Canon 1D Mark II (⇒ lft | rgt) 6.1 in 6.2 in 3.1 in 54.1 oz 1200 YES 2004 4,499discont. check
Canon 1Ds (⇒ lft | rgt) 6.1 in 6.2 in 3.1 in 44.6 oz 600 YES 2002 8,999discont. check
Fujifilm X30 (⇒ lft | rgt) 4.7 in 2.8 in 2.4 in 14.9 oz 470 no 2014 599 latest check
Nikon D3S (⇒ lft | rgt) 6.3 in 6.2 in 3.5 in 43.7 oz 4200 YES 2009 5,199discont. check
Nikon D3 (⇒ lft | rgt) 6.3 in 6.2 in 3.5 in 45.9 oz 4300 YES 2007 4,999discont. check
Nikon D2Xs (⇒ lft | rgt) 6.2 in 5.9 in 3.4 in 44.2 oz 3800 YES 2006 4,699discont. check
Panasonic FZ1000 (⇒ lft | rgt) 5.4 in 3.9 in 5.2 in 29.3 oz 360 no 2014 899discont. check
Sony RX100 IV (⇒ lft | rgt) 4.0 in 2.3 in 1.6 in 10.5 oz 280 no 2015 999discont. check

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 LX100 was launched at a lower price than the 1D Mark III, despite having a lens build in. 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: Canon 1D Mark III vs Panasonic LX100

The size of the imaging sensor is a crucial determinant 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 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 LX100 a Four Thirds sensor. The sensor area in the LX100 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 LX100 offers a 4:3 aspect.

Canon 1D Mark III and Panasonic LX100 sensor measures

Despite having a smaller sensor, the LX100 offers a higher resolution of 12.7 megapixel, compared with 10.1 MP of the 1D Mark III. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.21μm versus 7.21μm for the 1D Mark III). However, it should be noted that the LX100 is much more recent (by 7 years and 6 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.

1D Mark III versus LX100 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 review, the 1D Mark III has a notably higher overall DXO score than the LX100 (overall score 4 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.4 bits higher color depth, 0.8 EV of lower dynamic range, and 1 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.

Sensor Characteristics
Camera Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon 1D Mark III (⇒ rgt) APS-H 10.1 3888 2592 no 22.7 11.7 1078 71
Panasonic LX100 (⇒ lft) Four Thirds 12.7 4112 3088 4K/30p 22.3 12.5 553 67
Canon 5DS R (⇒ lft | rgt) Full Frame 50.3 8688 5792 1080/60p 24.6 12.4 2308 86
Canon G5 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p - - - -
Canon G1 X Mark II (⇒ lft | rgt) 1.5-inch 13.0 4160 3120 1080/30p 21.5 10.8 581 58
Canon 5D Mark III (⇒ lft | rgt) Full Frame 22.1 5760 3840 1080/30p 24 11.7 2293 81
Canon 1D Mark IV (⇒ lft | rgt) APS-H 16.0 4896 3264 1080/30p 22.8 12.0 1320 74
Canon 5D Mark II (⇒ lft | rgt) Full Frame 21.0 5616 3744 1080/30p 23.7 11.9 1815 79
Canon 1Ds Mark III (⇒ lft | rgt) Full Frame 21.0 5616 3744 no 24.0 12.0 1663 80
Canon 1D Mark II (⇒ lft | rgt) APS-H 8.2 3504 2336 no 22.3 11.1 1003 66
Canon 1Ds (⇒ lft | rgt) Full Frame 11.0 4064 2704 no 21.8 11.0 954 63
Fujifilm X30 (⇒ lft | rgt) 2/3 12.0 4000 3000 1080/60p - - - -
Nikon D3S (⇒ lft | rgt) Full Frame 12.1 4256 2832 720/24p 23.5 12.0 3253 82
Nikon D3 (⇒ lft | rgt) Full Frame 12.1 4256 2832 no 23.5 12.2 2290 81
Nikon D2Xs (⇒ lft | rgt) APS-C 12.2 4288 2848 no 22.2 10.9 489 59
Panasonic FZ1000 (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 22.1 11.7 517 64
Sony RX100 IV (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 22.8 12.6 591 70

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The LX100 indeed provides for movie recording, while the 1D Mark III does not. The highest resolution format that the LX100 can use is 4K/30p.

Feature comparison: Canon 1D Mark III vs Panasonic LX100

Beyond body and sensor, cameras can and do differ across a range of features. For example, the LX100 has an electronic viewfinder (2764k dots), while the 1D Mark III 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 following table reports on some other key feature differences and similarities of the Canon 1D Mark III, the Panasonic LX100, and comparable cameras. The full specs-sheets can be found in the camera manual or, for example, in the dpreview camera hub.

Core Features
Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Canon 1D Mark III (⇒ rgt) optical YES 3.0 230 fixed no 8000 10.0 no no
Panasonic LX100 (⇒ lft) 2764 no 3.0 921 fixed no 4000 11.0 no YES
Canon 5DS R (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 5.0 no no
Canon G5 X (⇒ lft | rgt) 2360 no 3.0 1040 swivel YES 2000 5.9 7 YES
Canon G1 X Mark II (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 5.2 6.8 YES
Canon 5D Mark III (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 6.0 no no
Canon 1D Mark IV (⇒ lft | rgt) optical YES 3.0 920 fixed no 8000 10.0 no no
Canon 5D Mark II (⇒ lft | rgt) optical YES 3.0 920 fixed no 8000 3.9 no no
Canon 1Ds Mark III (⇒ lft | rgt) optical YES 3.0 230 fixed no 8000 5.0 no no
Canon 1D Mark II (⇒ lft | rgt) optical YES 2.0 230 fixed no 8000 8.3 no no
Canon 1Ds (⇒ lft | rgt) optical YES 2.0 120 fixed no 8000 3.0 no no
Fujifilm X30 (⇒ lft | rgt) 2360 no 3.0 920 tilting no 4000 12.0 7 YES
Nikon D3S (⇒ lft | rgt) optical YES 3.0 921 fixed no 8000 11.0 no no
Nikon D3 (⇒ lft | rgt) optical YES 3.0 922 fixed no 8000 11.0 no no
Nikon D2Xs (⇒ lft | rgt) optical YES 2.5 230 fixed no 8000 5.0 no no
Panasonic FZ1000 (⇒ lft | rgt) 2359 no 3.0 921 swivel no 4000 12.0 13.5 YES
Sony RX100 IV (⇒ lft | rgt) 2359 no 3.0 1228 tilting no 2000 16.0 10.2 YES

The LX100 is a current model that online retailers, such as amazon, will have in stock. In contrast, the 1D Mark III has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the 1D Mark III was succeeded by the Canon 1D Mark IV.

Review summary: Canon 1D Mark III vs Panasonic LX100

So how do things add up? Which of the two cameras – the Canon 1D Mark III or the Panasonic LX100 – has the upper hand? A synthesis of the relative strong points of each of the models is listed below.


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Arguments in favor of the Canon EOS-1D Mark III:

  • Better image quality: Scores markedly higher (4 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (1 stops ISO advantage).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Has an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (2200 versus 300) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More heavily discounted: Has been available for much longer (launched in February 2007).

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Reasons to prefer the Panasonic Lumix DMC-LX100:

  • More detail: Has more megapixels (12.7 vs 10.1MP), which boosts linear resolution by 10%.
  • More dynamic range: Captures a broader range of light and dark details (0.8 EV of extra DR).
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More detailed LCD: Has a higher resolution rear screen (921k vs 230k dots).
  • Ready to shoot: Comes with an integrated lens, while the 1D Mark III requires a separate lens.
  • More compact: Is smaller (115x66mm vs 156x156.6mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens build in (unlike the 1D Mark III).
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More affordable: Was introduced at a lower price, despite coming with a build-in lens.
  • More modern: Reflects 7 years and 6 months of technical progress since the 1D Mark III launch.

If the count of individual advantages (bullet points above) is taken as a guide, the LX100 emerges as the winner of the match-up (11 : 9 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.

1D Mark III 09:11 LX100

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the 1D Mark III or the LX100. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable. This is where reviews by experts come in. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review scores
Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon 1D Mark III (⇒ rgt) - - - reviewed - 2007 4,499discont. check
Panasonic LX100 (⇒ lft) HiRec 85/100 Gold 5/5 4/5 5/5 2014 899 latest check
Canon 5DS R (⇒ lft | rgt) Rec 83/100 Silver 5/5 5/5 4.5/5 2015 3,699 latest check
Canon G5 X (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 4/5 4.5/5 2015 799 latest check
Canon G1 X Mark II (⇒ lft | rgt) Rec 77/100 Silver 4/5 4/5 4.5/5 2014 799 latest check
Canon 5D Mark III (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 5/5 4.5/5 2012 3,499discont. check
Canon 1D Mark IV (⇒ lft | rgt) - 89/100 Gold - 5/5 - 2009 4,999discont. check
Canon 5D Mark II (⇒ lft | rgt) 91/100 79/100 HiRec 4/5 5/5 - 2008 3,499discont. check
Canon 1Ds Mark III (⇒ lft | rgt) - HiRec 4.5/5 - - 2007 7,999discont. check
Canon 1D Mark II (⇒ lft | rgt) - HiRec - reviewed - 2004 4,499discont. check
Canon 1Ds (⇒ lft | rgt) - HiRec - - - 2002 8,999discont. check
Fujifilm X30 (⇒ lft | rgt) - 76/100 4.5/5 4/5 4.5/5 2014 599 latest check
Nikon D3S (⇒ lft | rgt) - 89/100 Gold 4.5/5 5/5 5/5 2009 5,199discont. check
Nikon D3 (⇒ lft | rgt) - HiRec 5/5 reviewed 4.5/5 2007 4,999discont. check
Nikon D2Xs (⇒ lft | rgt) - - - reviewed - 2006 4,699discont. check
Panasonic FZ1000 (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 4.5/5 4.5/5 2014 899discont. check
Sony RX100 IV (⇒ lft | rgt) HiRec 85/100 Gold 4/5 4.5/5 4.5/5 2015 999discont. check

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

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 use the search menu below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you cannot find the camera you are interested in, please contact me, and I will try to locate and add the respective data to the application.

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