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Canon 1D Mark III vs T7i

The Canon EOS-1D Mark III and the Canon EOS Rebel T7i (labelled Canon 800D in some countries) are two digital cameras that were officially introduced, respectively, in February 2007 and February 2017. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-H (1D Mark III) and an APS-C (T7i) sensor. The 1D Mark III has a resolution of 10.1 megapixels, whereas the T7i provides 24 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 T7i
Canon 1D Mark III   Canon T7i
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
10.1 MP – APS-H sensor 24 MP – APS-C sensor
no Video 1080/60p Video
ISO 100-3,200 (50 - 6,400) ISO 100-25,600 (100 - 51,200)
Optical viewfinder Optical viewfinder
3.0" LCD – 230k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
10 shutter flaps per second 6 shutter flaps per second
Weathersealed bodynot weather sealed
2200 shots per battery charge600 shots per battery charge
156 x 157 x 80 mm, 1155 g 131 x 100 x 76 mm, 532 g
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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 Rebel T7i? 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

An illustration of the physical size and weight of the Canon 1D Mark III and the Canon T7i is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Canon 1D Mark III vs Canon T7i
Compare 1D Mark III versus T7i top
Comparison 1D Mark III or T7i rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T7i is considerably smaller (47 percent) than the Canon 1D Mark III. Moreover, the T7i is substantially lighter (54 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 T7i 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 1D Mark III) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (T7i). You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 1D Mark III gets 2200 shots out of its Canon LP-E4 battery, while the T7i can take 600 images on a single charge of its Canon LP-E17 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 T7i, 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 would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 US$ 4 499ebay.com
2.
 
Canon T7i 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 US$ 749ebay.com
3.
 
Canon 1D Mark II 156 mm 158 mm 80 mm 1535 g 1200 Y Jan 2004 US$ 4 499ebay.com
4.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 US$ 4 999ebay.com
5.
 
Canon 1Ds 156 mm 158 mm 80 mm 1265 g 600 Y Sep 2002 US$ 8 999ebay.com
6.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 US$ 7 999ebay.com
7.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 US$ 3 499ebay.com
8.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 US$ 3 499ebay.com
9.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
10.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 US$ 899ebay.com
11.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 US$ 649ebay.com
12.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 US$ 749ebay.com
13.
 
Canon T7 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 US$ 449 amazon.com
14.
 
Canon T8i 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 US$ 749ebay.com
15.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 US$ 4 699ebay.com
16.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 US$ 4 999ebay.com
17.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 US$ 5 199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The T7i was launched at a markedly lower price (by 83 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 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 Canon T7i an APS-C sensor. The sensor area in the T7i is 37 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the T7i uses a more advanced image processing engine (DIGIC 7) than the 1D Mark III (DIGIC III), with benefits for noise reduction, color accuracy, and processing speed.

Canon 1D Mark III and Canon T7i sensor measures

Despite having a smaller sensor, the T7i offers a higher resolution of 24 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 3.72μm versus 7.21μm for the 1D Mark III). However, it should be noted that the T7i is much more recent (by 9 years and 11 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 Canon T7i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T7i for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 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 T7i 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 Rebel T7i are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 100-51200.

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 T7i 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty 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 T7i APS-C 24.0 6000 40001080/60p23.713.1158680
3.
 
Canon 1D Mark II APS-H 8.2 3504 2336none22.311.1100366
4.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
5.
 
Canon 1Ds Full Frame 11.0 4064 2704none21.811.095463
6.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
7.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
8.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
9.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
10.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
11.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
12.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
13.
 
Canon T7 APS-C 24.0 6000 40001080/30p23.813.3168481
14.
 
Canon T8i APS-C 24.0 6000 40004K/24p24.013.5187383
15.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
16.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
17.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The T7i indeed provides for movie recording, while the 1D Mark III does not. The highest resolution format that the T7i can use is 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 1D Mark III and the T7i 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 1D Mark III offers a wider field of view (100%) than the one in the T7i (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 1D Mark III has a higher magnification (0.58x vs 0.51x), 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 T7i along with similar information for a selection of comparators.

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Core Features
  empty 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 T7ioptical n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
3.
 
Canon 1D Mark IIoptical Y2.0 / 230 fixed n 1/8000s 8.3/s n n
4.
 
Canon 1D Mark IVoptical Y3.0 / 920 fixed n 1/8000s 10.0/s n n
5.
 
Canon 1Dsoptical Y2.0 / 120 fixed n 1/8000s 3.0/s n n
6.
 
Canon 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
7.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
8.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
9.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
10.
 
Canon 77Doptical Y3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
11.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
12.
 
Canon T6ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
13.
 
Canon T7optical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
14.
 
Canon T8ioptical n3.0 / 1040 swivel Y 1/4000s 7.5/s Y n
15.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
16.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
17.
 
Nikon D3Soptical Y3.0 / 921 fixed n 1/8000s 11.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the 1D Mark III, but is missing on the T7i 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 T7i 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 1D Mark III writes its imaging data to Compact Flash or SDHC cards, while the T7i 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 T7i only has one slot. The T7i 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.

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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 Rebel T7i and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty 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 T7iYstereo / monoY-mini2.0YYY
3.
 
Canon 1D Mark IIY- / ----1.1---
4.
 
Canon 1D Mark IVYstereo / -Y-mini2.0---
5.
 
Canon 1DsY- / ----FW---
6.
 
Canon 1Ds Mark IIIYmono / ----2.0---
7.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
8.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
9.
 
Canon 5DS RYmono / monoY-mini3.0---
10.
 
Canon 77DYstereo / monoY-mini2.0YYY
11.
 
Canon T5iYstereo / monoY-mini2.0---
12.
 
Canon T6iYstereo / monoY-mini2.0YY-
13.
 
Canon T7Ymono / mono--mini2.0YY-
14.
 
Canon T8iYstereo / monoY-mini2.0Y-Y
15.
 
Nikon D2XsY- / ----2.0---
16.
 
Nikon D3Y- / ---mini2.0---
17.
 
Nikon D3SYstereo / ---mini2.0---

It is notable that the T7i 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 T7i) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 1D Mark III and the T7i 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 T7i was followed by the Canon T8i. Further information on the features and operation of the 1D Mark III and T7i can be found, respectively, in the Canon 1D Mark III Manual (free pdf) or the online Canon T7i Manual.

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Review summary

So what conclusions can be drawn? Is the Canon 1D Mark III better than the Canon T7i or vice versa? The listing below highlights the relative strengths of the two models.


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

  • 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 (0.58x vs 0.51x).
  • 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 6 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 600) 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).


Advantages of the Canon EOS Rebel T7i:

  • More detail: Has more megapixels (24 vs 10.1MP), which boosts linear resolution by 54%.
  • Better jpgs: Has a more modern image processing engine (DIGIC 7 vs DIGIC III).
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • 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).
  • 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.
  • More compact: Is smaller (131x100mm vs 156x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 623g or 54 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (83 percent cheaper at launch).
  • More modern: Reflects 9 years and 11 months of technical progress since the 1D Mark III launch.

If the count of relative strengths (bullet points above) is taken as a measure, the T7i is the clear winner of the contest (17 : 11 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

1D Mark III 11:17 T7i

How about other alternatives? Do the specifications of the Canon 1D Mark III and the Canon T7i 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 1D Mark III or the T7i. 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 1D Mark III............ Feb 2007 US$ 4 499ebay.com
2.
 
Canon T7i4.5/5..3.5/580/1004.5/54/5 Feb 2017 US$ 749ebay.com
3.
 
Canon 1D Mark II......+ +.... Jan 2004 US$ 4 499ebay.com
4.
 
Canon 1D Mark IV5/5....89/100.... Oct 2009 US$ 4 999ebay.com
5.
 
Canon 1Ds......+ +.... Sep 2002 US$ 8 999ebay.com
6.
 
Canon 1Ds Mark III......+ +4.5/5.. Aug 2007 US$ 7 999ebay.com
7.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 US$ 3 499ebay.com
8.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 US$ 3 499ebay.com
9.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 US$ 3 699ebay.com
10.
 
Canon 77D4.5/5..4/582/1004.5/54/5 Feb 2017 US$ 899ebay.com
11.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 US$ 649ebay.com
12.
 
Canon T6i5/5....75/1004.5/54.5/5 Feb 2015 US$ 749ebay.com
13.
 
Canon T7..o3.5/5..3.5/53.5/5 Feb 2018 US$ 449 amazon.com
14.
 
Canon T8i4.5/5+3/580/1004/53.5/5 Feb 2020 US$ 749ebay.com
15.
 
Nikon D2Xs............ Jun 2006 US$ 4 699ebay.com
16.
 
Nikon D3......+ +5/54.5/5 Aug 2007 US$ 4 999ebay.com
17.
 
Nikon D3S5/5....89/1004.5/55/5 Oct 2009 US$ 5 199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods 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 1D Mark III vs Canon T7i

    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 T7i
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date February 2007 February 2017
    Launch Price USD 4,499 USD 749
    Sensor Specs Canon 1D Mark III Canon T7i
    Sensor Technology CMOS CMOS
    Sensor Format APS-H Sensor APS-C Sensor
    Sensor Size 28.1 x 18.7 mm 22.3 x 14.9 mm
    Sensor Area 525.47 mm2 332.27 mm2
    Sensor Diagonal 33.8 mm 26.8 mm
    Crop Factor 1.3x 1.6x
    Sensor Resolution 10.1 Megapixels 24 Megapixels
    Image Resolution 3888 x 2592 pixels 6000 x 4000 pixels
    Pixel Pitch 7.21 μm 3.72 μm
    Pixel Density 1.92 MP/cm2 7.22 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 3,200 ISO 100 - 25,600 ISO
    ISO Boost 50 - 6,400 ISO 100 - 51,200 ISO
    Image Processor DIGIC III DIGIC 7
    DXO Sensor Quality (score) 71 ..
    DXO Color Depth (bits) 22.7 ..
    DXO Dynamic Range (EV) 11.7 ..
    DXO Low Light (ISO) 1078 ..
    Screen Specs Canon 1D Mark III Canon T7i
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.58x 0.51x
    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 1040k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 1D Mark III Canon T7i
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 10 shutter flaps/s 6 shutter flaps/s
    Shutter Life Expectancy300 000 actuations100 000 actuations
    Fill Flash no On-Board Flash Built-in 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-I
    Connectivity Specs Canon 1D Mark III Canon T7i
    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
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 1D Mark III Canon T7i
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E4 Canon LP-E17
    Battery Life (CIPA)2200 shots per charge600 shots per charge
    Body Dimensions 156 x 157 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    131 x 100 x 76 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 1155 g (40.7 oz) 532 g (18.8 oz)
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