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Canon 1D Mark III vs Canon R

The Canon EOS-1D Mark III and the Canon EOS R are two digital cameras that were announced, respectively, in February 2007 and September 2018. The 1D Mark III is a DSLR, while the Canon R is a mirrorless interchangeable lens camera. The cameras are based on an APS-H (1D Mark III) and a full frame (Canon R) sensor. The 1D Mark III has a resolution of 10.1 megapixels, whereas the Canon R provides 30.1 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
Canon R
Canon 1D Mark III   Canon R
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Canon RF mount lenses
10.1 MP – APS-H sensor 30.1 MP – Full Frame sensor
no Video 4K/30p Video
ISO 100-3,200 (50 - 6,400) ISO 100-40,000 (50 - 102,400)
Optical viewfinder Electronic viewfinder (3690k dots)
3.0" LCD – 230k dots 3.2" LCD – 2100k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
10 shutter flaps per second 8 shutter flaps per second
Weathersealed bodyWeathersealed body
2200 shots per battery charge370 shots per battery charge
156 x 157 x 80 mm, 1155 g 139 x 98 x 84 mm, 660 g
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Check Canon R offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1D Mark III and the Canon EOS R? 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 1D Mark III and the Canon R. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

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

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon R is considerably smaller (44 percent) than the Canon 1D Mark III. Moreover, the Canon R is substantially lighter (43 percent) than the 1D Mark III. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 1D Mark III gets 2200 shots out of its Canon LP-E4 battery, while the Canon R can take 370 images on a single charge of its Canon LP-E6N 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. In order to provide similar functionality for the Canon R, Canon provides the BG-E22 vertical grip as an optional accessory (see here on ebay). The power pack in the Canon R can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 4,499ebay.com
2.
 
Canon R 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299ebay.com
3.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
4.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 amazon.com
5.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
6.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
7.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
8.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999ebay.com
9.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
10.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999ebay.com
11.
 
Canon 1D Mark II N 156 mm 158 mm 80 mm 1565 g 1200 Y Aug 2005 3,999ebay.com
12.
 
Canon 1D Mark II 156 mm 158 mm 80 mm 1535 g 1200 Y Jan 2004 4,499ebay.com
13.
 
Canon 1Ds 156 mm 158 mm 80 mm 1265 g 600 Y Sep 2002 8,999ebay.com
14.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595ebay.com
15.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299ebay.com
16.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999ebay.com
17.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 Canon R was launched at a markedly lower price (by 49 percent) than the 1D 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better 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 Canon 1D Mark III features an APS-H sensor and the Canon R a full frame sensor. The sensor area in the Canon R is 65 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the Canon R uses a more advanced image processing engine (DIGIC 8) than the 1D Mark III (DIGIC III), with benefits for noise reduction, color accuracy, and processing speed.

Canon 1D Mark III and Canon R sensor measures

With 30.1MP, the Canon R offers a higher resolution than the 1D Mark III (10.1MP), but the Canon R has smaller individual pixels (pixel pitch of 5.36μm versus 7.21μm for the 1D Mark III). Yet, the Canon R is a much more recent model (by 11 years and 6 months) than the 1D 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 R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Canon R for good quality output (200 dots per inch) amounts to 33.6 x 22.4 inches or 85.3 x 56.9 cm, for very good quality (250 dpi) 26.9 x 17.9 inches or 68.3 x 45.5 cm, and for excellent quality (300 dpi) 22.4 x 14.9 inches or 56.9 x 37.9 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 R has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

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 Canon EOS R are ISO 100 to ISO 40000, with the possibility to increase the ISO range to 50-102400.

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.

1D Mark III versus Canon R MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the Canon R offers substantially better image quality than the 1D Mark III (overall score 18 points higher). The advantage is based on 1.8 bits higher color depth, 1.8 EV in additional dynamic range, and 1.3 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 1D Mark III APS-H 10.1 3888 2592none22.711.7107871
2.
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289
3.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
4.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
5.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
6.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
7.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
8.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
9.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
10.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
11.
 
Canon 1D Mark II N APS-H 8.2 3504 2336none22.311.297566
12.
 
Canon 1D Mark II APS-H 8.2 3504 2336none22.311.1100366
13.
 
Canon 1Ds Full Frame 11.0 4064 2704none21.811.095463
14.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
15.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
16.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
17.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. The Canon R indeed provides for movie recording, while the 1D Mark III does not. The highest resolution format that the Canon R can use is 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the Canon R has an electronic viewfinder (3690k 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the Canon R has a higher magnification than the one of the 1D Mark III (0.76x vs 0.58x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 1D Mark III and Canon R along with similar information for a selection of comparators.

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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 1D Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 10.0/s n n
2.
 
Canon R3690 Y3.2 / 2100 swivel Y 1/8000s 8.0/s n n
3.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
5.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
6.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
7.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
8.
 
Canon 1D Mark IVoptical Y3.0 / 920 fixed n 1/8000s 10.0/s n n
9.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
10.
 
Canon 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
11.
 
Canon 1D Mark II Noptical Y2.5 / 230 fixed n 1/8000s 8.5/s n n
12.
 
Canon 1D Mark IIoptical Y2.0 / 230 fixed n 1/8000s 8.3/s n n
13.
 
Canon 1Dsoptical Y2.0 / 120 fixed n 1/8000s 3.0/s n n
14.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
15.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
16.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
17.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The Canon R has a touchscreen, while the 1D Mark III has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The Canon R has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 1D Mark III does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the Canon R is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The 1D Mark III writes its imaging data to Compact Flash or SDHC cards, while the Canon R 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 Canon R only has one slot. The Canon R supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the 1D 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-1D Mark III and Canon EOS R 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 1D Mark IIIY- / ----2.0---
2.
 
Canon RYstereo / monoYYmini3.1Y-Y
3.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
4.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
5.
 
Canon 5DS RYmono / monoY-mini3.0---
6.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
7.
 
Canon 6DYmono / monoY-mini2.0Y--
8.
 
Canon 1D Mark IVYstereo / -Y-mini2.0---
9.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
10.
 
Canon 1Ds Mark IIIYmono / ----2.0---
11.
 
Canon 1D Mark II NY- / ----1.1---
12.
 
Canon 1D Mark IIY- / ----1.1---
13.
 
Canon 1DsY- / ----FW---
14.
 
Leica M10Y- / -----Y--
15.
 
Nikon D750Ystereo / monoYYmini2.0Y--
16.
 
Nikon D3Y- / ---mini2.0---
17.
 
Nikon D2XsY- / ----2.0---
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It is notable that the Canon R offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 1D Mark III does not provide wifi capability.

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

Both the 1D Mark III and the Canon R 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 Canon R does not have a direct successor. Further information on the features and operation of the 1D Mark III and Canon R can be found, respectively, in the Canon 1D Mark III Manual (free pdf) or the online Canon R Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Canon 1D Mark III and the Canon R? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.


Advantages of the Canon EOS-1D Mark III:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster burst: Shoots at higher frequency (10 vs 8 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 370) on a single battery charge.
  • 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).


Arguments in favor of the Canon EOS R:

  • More detail: Has more megapixels (30.1 vs 10.1MP), which boosts linear resolution by 73%.
  • Better image quality: Scores substantially higher (18 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.8 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.3 stops ISO advantage).
  • Better jpgs: Has a more modern image processing engine (DIGIC 8 vs DIGIC III).
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.58x).
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 230k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (139x98mm vs 156x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 495g or 43 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
  • More affordable: Was introduced into a lower priced category (49 percent cheaper at launch).
  • More modern: Reflects 11 years and 6 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 Canon R is the clear winner of the contest (26 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

1D Mark III 07:26 Canon R

How about other alternatives? Do the specifications of the Canon 1D Mark III and the Canon R 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the 1D Mark III and the Canon R in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (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 1D Mark III............ Feb 2007 4,499ebay.com
2.
 
Canon R4/5o4/579/1004.5/54/5 Sep 2018 2,299ebay.com
3.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
4.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 1,999 amazon.com
5.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
6.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
7.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
8.
 
Canon 1D Mark IV5/5....89/100.... Oct 2009 4,999ebay.com
9.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
10.
 
Canon 1Ds Mark III......+ +4.5/5.. Aug 2007 7,999ebay.com
11.
 
Canon 1D Mark II N............ Aug 2005 3,999ebay.com
12.
 
Canon 1D Mark II......+ +.... Jan 2004 4,499ebay.com
13.
 
Canon 1Ds......+ +.... Sep 2002 8,999ebay.com
14.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595ebay.com
15.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299ebay.com
16.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999ebay.com
17.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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? 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 Canon R

    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 Canon R
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Canon RF mount lenses
    Launch Date February 2007 September 2018
    Launch Price USD 4,499 USD 2,299
    Sensor Specs Canon 1D Mark III Canon R
    Sensor Technology CMOS CMOS
    Sensor Format APS-H Sensor Full Frame Sensor
    Sensor Size 28.1 x 18.7 mm 36.0 x 24.0 mm
    Sensor Area 525.47 mm2 864 mm2
    Sensor Diagonal 33.8 mm 43.3 mm
    Crop Factor 1.3x 1.0x
    Sensor Resolution 10.1 Megapixels 30.1 Megapixels
    Image Resolution 3888 x 2592 pixels 6720 x 4480 pixels
    Pixel Pitch 7.21 μm 5.36 μm
    Pixel Density 1.92 MP/cm2 3.48 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 3,200 ISO 100 - 40,000 ISO
    ISO Boost 50 - 6,400 ISO 50 - 102,400 ISO
    Image Processor DIGIC III DIGIC 8
    DXO Sensor Quality (score) 71 89
    DXO Color Depth (bits) 22.7 24.5
    DXO Dynamic Range (EV) 11.7 13.5
    DXO Low Light (ISO) 1078 2742
    Screen Specs Canon 1D Mark III Canon R
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.58x 0.76x
    Viewfinder Resolution 3690k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 230k dots 2100k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 1D Mark III Canon R
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 8 shutter flaps/s
    Shutter Life Expectancy300 000 actuations200 000 actuations
    Electronic Shutterno E-ShutterYES
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF or SDHC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support no UHS-II
    Connectivity Specs Canon 1D Mark III Canon R
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 3.1
    HDMI Port no HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 1D Mark III Canon R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Canon LP-E4 Canon LP-E6N
    Battery Life (CIPA)2200 shots per charge370 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 156 x 157 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    139 x 98 x 84 mm
    (5.5 x 3.9 x 3.3 in)
    Camera Weight 1155 g (40.7 oz) 660 g (23.3 oz)
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