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Canon 100D vs 1Ds Mark III

The Canon EOS 100D (called Canon SL1 in some regions) and the Canon EOS-1Ds Mark III are two digital cameras that were revealed to the public, respectively, in March 2013 and August 2007. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (100D) and a full frame (1Ds Mark III) sensor. The 100D has a resolution of 17.9 megapixels, whereas the 1Ds Mark III provides 21 MP.

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

Headline Specifications
Canon 100D
versus
Canon 1Ds Mark III
Canon 100D   Canon 1Ds Mark III
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
17.9 MP – APS-C sensor 21 MP – Full Frame sensor
1080/30p Video no Video
ISO 100-12,800 (100 - 25,600) ISO 100-1,600 (50 - 3,200)
Optical viewfinder Optical viewfinder
3.0" LCD – 1040k dots 3.0" LCD – 230k dots
Fixed touchscreen Fixed screen (not touch-sensitive)
4.9 shutter flaps per second 5 shutter flaps per second
not weather sealedWeathersealed body
380 shots per battery charge1800 shots per battery charge
117 x 91 x 69 mm, 407 g 150 x 160 x 80 mm, 1385 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 100D and the Canon EOS-1Ds Mark III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon 100D and the Canon 1Ds Mark III. 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.

The 100D can be obtained in two different colors (black, white), while the 1Ds Mark III is only available in black.

Size Canon 100D vs Canon 1Ds Mark III
Compare 100D versus 1Ds Mark III top
Comparison 100D or 1Ds Mark III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 1Ds Mark III is considerably larger (125 percent) than the Canon 100D. Moreover, the 1Ds Mark III is substantially heavier (240 percent) than the 100D. It is noteworthy in this context that the 1Ds Mark III is splash and dust-proof, while the 100D 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 (as in the 1Ds Mark III) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (100D). You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 100D gets 380 shots out of its Canon LP-E12 battery, while the 1Ds Mark III can take 1800 images on a single charge of its Canon LP-E4 power pack. As can be seen in the images above, the 1Ds Mark III has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the 100D, there are third party battery grips available as optional accessories (see here on ebay).

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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 100D 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549ebay.com
2.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999ebay.com
3.
 
Canon 4000D 129 mm 102 mm 77 mm 436 g 500 n Feb 2018 399 amazon.com
4.
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549ebay.com
5.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
6.
 
Canon 1300D 129 mm 101 mm 78 mm 485 g 500 n Mar 2016 449ebay.com
7.
 
Canon 1200D 130 mm 100 mm 78 mm 480 g 500 n Feb 2014 449ebay.com
8.
 
Canon 700D 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
9.
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549ebay.com
10.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
11.
 
Canon 650D 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849ebay.com
12.
 
Canon M 109 mm 66 mm 32 mm 298 g 230 n Jul 2012 599ebay.com
13.
 
Canon 1D X 158 mm 168 mm 83 mm 1551 g 1120 Y Oct 2011 6,799ebay.com
14.
 
Canon 600D 133 mm 100 mm 80 mm 570 g 440 n Feb 2011 599ebay.com
15.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
16.
 
Canon 1Ds Mark II 156 mm 158 mm 80 mm 1215 g 1200 Y Sep 2004 7,999ebay.com
17.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
padding

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 100D was launched at a markedly lower price (by 93 percent) than the 1Ds Mark III, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. 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 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 100D features an APS-C sensor and the Canon 1Ds Mark III a full frame sensor. The sensor area in the 1Ds Mark III is 160 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 100D and Canon 1Ds Mark III sensor measures

With 21MP, the 1Ds Mark III offers a higher resolution than the 100D (17.9MP), but the 1Ds Mark III nevertheless has larger individual pixels (pixel pitch of 6.41μm versus 4.31μm for the 100D) due to its larger sensor. However, the 100D is a much more recent model (by 5 years and 7 months) than the 1Ds Mark III, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Canon 1Ds Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 1Ds Mark III for good quality output (200 dots per inch) amounts to 28.1 x 18.7 inches or 71.3 x 47.5 cm, for very good quality (250 dpi) 22.5 x 15 inches or 57.1 x 38 cm, and for excellent quality (300 dpi) 18.7 x 12.5 inches or 47.5 x 31.7 cm. The corresponding values for the Canon 100D are 25.9 x 17.3 inches or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inches or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inches or 43.9 x 29.3 cm for excellent quality prints.

The 100D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 100D has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 100-25600. The corresponding ISO settings for the Canon EOS-1Ds Mark III are ISO 100 to ISO 1600, with the possibility to increase the ISO range to 50-3200.

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.

100D versus 1Ds Mark III MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the 1Ds Mark III offers substantially better image quality than the 100D (overall score 17 points higher). The advantage is based on 2.2 bits higher color depth, 0.7 EV in additional dynamic range, and 1 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 100D APS-C 17.9 5184 34561080/30p21.811.384363
2.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
3.
 
Canon 4000D APS-C 17.9 5184 34561080/30p21.911.469563
4.
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
5.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
6.
 
Canon 1300D APS-C 17.9 5184 34561080/30p22.011.778166
7.
 
Canon 1200D APS-C 17.9 5184 34561080/30p21.911.372463
8.
 
Canon 700D APS-C 17.9 5184 34561080/30p21.711.268161
9.
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
10.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
11.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.272262
12.
 
Canon M APS-C 17.9 5184 34561080/30p22.111.282765
13.
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
14.
 
Canon 600D APS-C 17.9 5184 34561080/30p22.111.579365
15.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
16.
 
Canon 1Ds Mark II Full Frame 16.6 4992 3328none23.311.3148074
17.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
padding

Many modern cameras cannot only take still pictures, but also record videos. The 100D indeed provides movie recording capabilities, while the 1Ds Mark III does not. The highest resolution format that the 100D can use is 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The 100D and the 1Ds Mark III are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the 1Ds Mark III offers a wider field of view (100%) than the one in the 100D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 1Ds Mark III has a higher magnification (0.76x vs 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon 100D and Canon 1Ds Mark III in connection with corresponding information for a sample of similar cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 100Doptical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
2.
 
Canon 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
3.
 
Canon 4000Doptical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
4.
 
Canon 200Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
6.
 
Canon 1300Doptical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
7.
 
Canon 1200Doptical n3.0 / 460 fixed n 1/4000s 3.0/s Y n
8.
 
Canon 700Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
9.
 
Canon G16optical n3.0 / 922 fixed n 1/4000s 2.2/s Y Y
10.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
11.
 
Canon 650Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
12.
 
Canon Mnone n3.0 / 1040 fixed Y 1/4000s 4.3/s n n
13.
 
Canon 1D Xoptical Y3.2 / 1040 fixed n 1/8000s 14.0/s n n
14.
 
Canon 600Doptical n3.0 / 1040 swivel n 1/4000s 3.7/s Y n
15.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
16.
 
Canon 1Ds Mark IIoptical Y2.0 / 230 fixed n 1/8000s 4.0/s n n
17.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One difference between the cameras concerns the presence of an on-board flash. The 100D has one, while the 1Ds Mark III does not. While the built-in flash of the 100D is not very powerful, it can at times be useful as a fill-in light.

The 100D writes its imaging data to SDXC cards, while the 1Ds Mark III uses Compact Flash or SDHC cards. The 1Ds Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the 100D only has one slot. The 100D supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the 1Ds Mark III cannot take advantage of Ultra High Speed SD cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS 100D and Canon EOS-1Ds Mark III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 100DYmono / monoY-mini2.0---
2.
 
Canon 1Ds Mark IIIYmono / ----2.0---
3.
 
Canon 4000DYmono / mono--mini2.0YY-
4.
 
Canon 200DYstereo / monoY-mini2.0YYY
5.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
6.
 
Canon 1300DYmono / mono--mini2.0YY-
7.
 
Canon 1200DYmono / mono--mini2.0---
8.
 
Canon 700DYstereo / monoY-mini2.0---
9.
 
Canon G16Ystereo / mono--mini2.0Y--
10.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
11.
 
Canon 650DYstereo / monoY-mini2.0---
12.
 
Canon MYstereo / monoY-mini2.0---
13.
 
Canon 1D XYmono / -Y-mini2.0---
14.
 
Canon 600DYmono / monoY-mini2.0---
15.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
16.
 
Canon 1Ds Mark IIY- / ----2.0---
17.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
padding

Studio photographers will appreciate that the Canon 1Ds Mark III (unlike the 100D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 100D and the 1Ds Mark III have been discontinued, but can regularly be found used on ebay. The 1Ds Mark III was replaced by the Canon 1DX, while the 100D was followed by the Canon 200D. Further information on the features and operation of the 100D and 1Ds Mark III can be found, respectively, in the Canon 100D Manual (free pdf) or the online Canon 1Ds Mark III Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon 100D or the Canon 1Ds Mark III – 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.


Advantages of the Canon EOS 100D:

  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More compact: Is smaller (117x91mm vs 150x160mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 978g or 71 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (93 percent cheaper at launch).
  • More modern: Reflects 5 years and 7 months of technical progress since the 1Ds Mark III launch.


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

  • More detail: Has more megapixels (21 vs 17.9MP), which boosts linear resolution by 8%.
  • Better image quality: Scores substantially higher (17 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.2 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 (1 stops ISO advantage).
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.54x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Gets more shots (1800 versus 380) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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 around for much longer (launched in August 2007).

If the count of individual advantages (bullet points above) is taken as a guide, the 1Ds Mark III is the clear winner of the contest (15 : 10 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

100D 10:15 1Ds Mark III

How about other alternatives? Do the specifications of the Canon 100D and the Canon 1Ds Mark III place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 100D or the 1Ds Mark III. 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 (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 100D4/5+..78/1004/54/5 Mar 2013 549ebay.com
2.
 
Canon 1Ds Mark III......+ +4.5/5.. Aug 2007 7,999ebay.com
3.
 
Canon 4000D2.5/5o3/5..3.5/53.5/5 Feb 2018 399 amazon.com
4.
 
Canon 200D4/5+ +4/578/1004.5/54.5/5 Jun 2017 549ebay.com
5.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
6.
 
Canon 1300D4/5o4/573/1004/54/5 Mar 2016 449ebay.com
7.
 
Canon 1200D3/5+....4/54.5/5 Feb 2014 449ebay.com
8.
 
Canon 700D......76/1004.5/54.5/5 Mar 2013 649ebay.com
9.
 
Canon G164/5+....4.5/54.5/5 Aug 2013 549ebay.com
10.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
11.
 
Canon 650D4/5+ +..77/1004.5/54.5/5 Jun 2012 849ebay.com
12.
 
Canon M3/5+....4/54/5 Jul 2012 599ebay.com
13.
 
Canon 1D X5/5......4.5/54.5/5 Oct 2011 6,799ebay.com
14.
 
Canon 600D3/5o..77/1004.5/54.5/5 Feb 2011 599ebay.com
15.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
16.
 
Canon 1Ds Mark II......+ +.... Sep 2004 7,999ebay.com
17.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
padding

The review scores listed above should be treated 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Canon 100D vs Canon 1Ds Mark III

    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 100D Canon 1Ds Mark III
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date March 2013 August 2007
    Launch Price USD 549 USD 7,999
    Sensor Specs Canon 100D Canon 1Ds Mark III
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.3 x 14.9 mm 36.0 x 24.0 mm
    Sensor Area 332.27 mm2 864 mm2
    Sensor Diagonal 26.8 mm 43.3 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 17.9 Megapixels 21 Megapixels
    Image Resolution 5184 x 3456 pixels 5616 x 3744 pixels
    Pixel Pitch 4.31 μm 6.41 μm
    Pixel Density 5.39 MP/cm2 2.43 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 100 - 12,800 ISO 100 - 1,600 ISO
    ISO Boost 100 - 25,600 ISO 50 - 3,200 ISO
    Image Processor DIGIC 5 DIGIC III (Dual)
    DXO Sensor Quality (score) 63 80
    DXO Color Depth (bits) 21.8 24.0
    DXO Dynamic Range (EV) 11.3 12.0
    DXO Low Light (ISO) 843 1663
    Screen Specs Canon 100D Canon 1Ds Mark III
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.54x 0.76x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 230k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon 100D Canon 1Ds Mark III
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 4.9 shutter flaps/s 5 shutter flaps/s
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards CF or SDHC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I no
    Connectivity Specs Canon 100D Canon 1Ds Mark III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi no Wifi
    Body Specs Canon 100D Canon 1Ds Mark III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon LP-E12 Canon LP-E4
    Battery Life (CIPA)380 shots per charge1800 shots per charge
    Body Dimensions 117 x 91 x 69 mm
    (4.6 x 3.6 x 2.7 in)
    150 x 160 x 80 mm
    (5.9 x 6.3 x 3.1 in)
    Camera Weight 407 g (14.4 oz) 1385 g (48.9 oz)
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