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Canon 1Ds Mark III vs T8i

The Canon EOS-1Ds Mark III and the Canon EOS Rebel T8i (labelled Canon 850D in some countries) are two digital cameras that were officially introduced, respectively, in August 2007 and February 2020. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1Ds Mark III) and an APS-C (T8i) sensor. The 1Ds Mark III has a resolution of 21 megapixels, whereas the T8i 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 1Ds Mark III
versus
Canon T8i
Canon 1Ds Mark III   Canon T8i
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
21 MP – Full Frame sensor 24 MP – APS-C sensor
no Video 4K/24p Video
ISO 100-1,600 (50 - 3,200) 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
5 shutter flaps per second 7.5 shutter flaps per second
Weathersealed bodynot weather sealed
1800 shots per battery charge800 shots per battery charge
150 x 160 x 80 mm, 1385 g 131 x 103 x 76 mm, 515 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1Ds Mark III and the Canon EOS Rebel T8i? 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 1Ds Mark III and the Canon T8i is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Canon 1Ds Mark III vs Canon T8i
Compare 1Ds Mark III versus T8i top
Comparison 1Ds Mark III or T8i rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T8i is considerably smaller (44 percent) than the Canon 1Ds Mark III. Moreover, the T8i is substantially lighter (63 percent) than the 1Ds Mark III. It is worth mentioning in this context that the 1Ds Mark III is splash and dust resistant, while the T8i 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 (T8i). You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 1Ds Mark III gets 1800 shots out of its Canon LP-E4 battery, while the T8i can take 800 images on a single charge of its Canon LP-E17 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.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999ebay.com
2.
 
Canon T8i 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 749ebay.com
3.
 
Canon 1D X Mark III 158 mm 168 mm 83 mm 1440 g 2850 Y Jan 2020 6,499 amazon.com
4.
 
Canon SL3 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 599 amazon.com
5.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899ebay.com
6.
 
Canon T7i 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 749ebay.com
7.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
8.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749ebay.com
9.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649ebay.com
10.
 
Canon 1D C 158 mm 164 mm 83 mm 1545 g 1120 Y Apr 2012 14,999ebay.com
11.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
12.
 
Canon 1D X 158 mm 168 mm 83 mm 1551 g 1120 Y Oct 2011 6,799ebay.com
13.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
14.
 
Canon 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 4,499ebay.com
15.
 
Canon 1Ds Mark II 156 mm 158 mm 80 mm 1215 g 1200 Y Sep 2004 7,999ebay.com
16.
 
Canon 1Ds 156 mm 158 mm 80 mm 1265 g 600 Y Sep 2002 8,999ebay.com
17.
 
Nikon D3X 160 mm 157 mm 88 mm 1260 g 4400 Y Dec 2008 7,999ebay.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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Any camera decision will naturally be influenced heavily by the price. 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 T8i was launched at a markedly lower price (by 91 percent) than the 1Ds Mark III, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 1Ds Mark III features a full frame sensor and the Canon T8i an APS-C sensor. The sensor area in the T8i is 62 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 1Ds Mark III and Canon T8i sensor measures

Despite having a smaller sensor, the T8i offers a higher resolution of 24 megapixels, compared with 21 MP of the 1Ds 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 6.41μm for the 1Ds Mark III). However, it should be noted that the T8i is much more recent (by 12 years and 5 months) than the 1Ds 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 T8i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T8i 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 1Ds Mark III are 28.1 x 18.7 inches or 71.3 x 47.5 cm for good quality, 22.5 x 15 inches or 57.1 x 38 cm for very good quality, and 18.7 x 12.5 inches or 47.5 x 31.7 cm for excellent quality prints.

The T8i has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS-1Ds Mark III has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 50-3200. The corresponding ISO settings for the Canon EOS Rebel T8i 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.

1Ds Mark III versus T8i 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"). 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 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
2.
 
Canon T8i APS-C 24.0 6000 40004K/24p24.013.5187383
3.
 
Canon 1D X Mark III Full Frame 20.0 5472 36484K/60p24.214.5324891
4.
 
Canon SL3 APS-C 24.0 6000 40004K/25p23.913.4179182
5.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
6.
 
Canon T7i APS-C 24.0 6000 40001080/60p23.713.1158680
7.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
8.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
9.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
10.
 
Canon 1D C Full Frame 17.9 5184 34564K/24p24.313.0215585
11.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
12.
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
13.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
14.
 
Canon 1D Mark III APS-H 10.1 3888 2592none22.711.7107871
15.
 
Canon 1Ds Mark II Full Frame 16.6 4992 3328none23.311.3148074
16.
 
Canon 1Ds Full Frame 11.0 4064 2704none21.811.095463
17.
 
Nikon D3X Full Frame 24.4 6048 4032none24.713.7199288
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. The T8i indeed provides for movie recording, while the 1Ds Mark III does not. The highest resolution format that the T8i can use is 4K/24p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 1Ds Mark III and the T8i 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 T8i (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 0.51x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon 1Ds Mark III, the Canon T8i, and comparable 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 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
2.
 
Canon T8ioptical n3.0 / 1040 swivel Y 1/4000s 7.5/s Y n
3.
 
Canon 1D X Mark IIIoptical Y3.2 / 2100 fixed Y 1/8000s 20.0/s n n
4.
 
Canon SL3optical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon 77Doptical Y3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
6.
 
Canon T7ioptical n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
7.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
8.
 
Canon T6ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
9.
 
Canon T6soptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
10.
 
Canon 1D Coptical Y3.2 / 1040 fixed n 1/8000s 14.0/s n n
11.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
12.
 
Canon 1D Xoptical Y3.2 / 1040 fixed n 1/8000s 14.0/s n n
13.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
14.
 
Canon 1D Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 10.0/s n n
15.
 
Canon 1Ds Mark IIoptical Y2.0 / 230 fixed n 1/8000s 4.0/s n n
16.
 
Canon 1Dsoptical Y2.0 / 120 fixed n 1/8000s 3.0/s n n
17.
 
Nikon D3Xoptical Y3.0 / 922 fixed n 1/8000s 5.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that is present on the 1Ds Mark III, but is missing on the T8i 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 T8i 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 1Ds Mark III does not have a selfie-screen.

The Canon T8i has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The 1Ds Mark III writes its imaging data to Compact Flash or SDHC cards, while the T8i uses SDXC cards. The 1Ds Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the T8i only has one slot. The T8i 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-1Ds Mark III and Canon EOS Rebel T8i 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 1Ds Mark IIIYmono / ----2.0---
2.
 
Canon T8iYstereo / monoY-mini2.0Y-Y
3.
 
Canon 1D X Mark IIIYmono / monoYYmini3.1Y-Y
4.
 
Canon SL3Ystereo / monoY-mini2.0Y-Y
5.
 
Canon 77DYstereo / monoY-mini2.0YYY
6.
 
Canon T7iYstereo / monoY-mini2.0YYY
7.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
8.
 
Canon T6iYstereo / monoY-mini2.0YY-
9.
 
Canon T6sYstereo / monoY-mini2.0YY-
10.
 
Canon 1D CYmono / monoYYmini2.0---
11.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
12.
 
Canon 1D XYmono / -Y-mini2.0---
13.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
14.
 
Canon 1D Mark IIIY- / ----2.0---
15.
 
Canon 1Ds Mark IIY- / ----2.0---
16.
 
Canon 1DsY- / ----FW---
17.
 
Nikon D3XY- / ---mini2.0---
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It is notable that the T8i offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 1Ds Mark III does not provide wifi capability.

Studio photographers will appreciate that the Canon 1Ds Mark III (unlike the T8i) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 1Ds Mark III and the T8i have been discontinued, but can regularly be found used on ebay. The 1Ds Mark III was replaced by the Canon 1DX, while the T8i does not have a direct successor. Further information on the features and operation of the 1Ds Mark III and T8i can be found, respectively, in the Canon 1Ds Mark III Manual (free pdf) or the online Canon T8i Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Canon 1Ds Mark III and the Canon T8i? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.


Arguments in favor of the Canon EOS-1Ds 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 (0.76x 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.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (1800 versus 800) 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 August 2007).


Reasons to prefer the Canon EOS Rebel T8i:

  • More detail: Has more megapixels (24 vs 21MP), which boosts linear resolution by 7%.
  • Broader imaging potential: Can capture not only stills but also 4K/24p 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.
  • Faster burst: Shoots at higher frequency (7.5 vs 5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (131x103mm vs 150x160mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 870g or 63 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 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 (91 percent cheaper at launch).
  • More modern: Reflects 12 years and 5 months of technical progress since the 1Ds Mark III launch.

If the number of relative strengths (bullet points above) is taken as a guide, the T8i is the clear winner of the contest (17 : 10 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional 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.

1Ds Mark III 10:17 T8i

How about other alternatives? Do the specifications of the Canon 1Ds Mark III and the Canon T8i 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 1Ds Mark III or the T8i. 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 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 1Ds Mark III......+ +4.5/5.. Aug 2007 7,999ebay.com
2.
 
Canon T8i4.5/5+3/580/1004/53.5/5 Feb 2020 749ebay.com
3.
 
Canon 1D X Mark III..+ +5/5..4.5/54/5 Jan 2020 6,499 amazon.com
4.
 
Canon SL34/5o4.5/579/1004/54/5 Apr 2019 599 amazon.com
5.
 
Canon 77D4.5/5..4/582/1004.5/54/5 Feb 2017 899ebay.com
6.
 
Canon T7i4.5/5..3.5/580/1004.5/54/5 Feb 2017 749ebay.com
7.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
8.
 
Canon T6i5/5....75/1004.5/54.5/5 Feb 2015 749ebay.com
9.
 
Canon T6s5/5+..77/1004.5/54.5/5 Feb 2015 649ebay.com
10.
 
Canon 1D C............ Apr 2012 14,999ebay.com
11.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
12.
 
Canon 1D X5/5......4.5/54.5/5 Oct 2011 6,799ebay.com
13.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
14.
 
Canon 1D Mark III............ Feb 2007 4,499ebay.com
15.
 
Canon 1Ds Mark II......+ +.... Sep 2004 7,999ebay.com
16.
 
Canon 1Ds......+ +.... Sep 2002 8,999ebay.com
17.
 
Nikon D3X......86/1004/55/5 Dec 2008 7,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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. 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? If you would like to see a different side-by-side camera review, 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 1Ds Mark III vs Canon T8i

    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 1Ds Mark III Canon T8i
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date August 2007 February 2020
    Launch Price USD 7,999 USD 749
    Sensor Specs Canon 1Ds Mark III Canon T8i
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 36.0 x 24.0 mm 22.3 x 14.9 mm
    Sensor Area 864 mm2 332.27 mm2
    Sensor Diagonal 43.3 mm 26.8 mm
    Crop Factor 1.0x 1.6x
    Sensor Resolution 21 Megapixels 24 Megapixels
    Image Resolution 5616 x 3744 pixels 6000 x 4000 pixels
    Pixel Pitch 6.41 μm 3.72 μm
    Pixel Density 2.43 MP/cm2 7.22 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 4K/24p Video
    ISO Setting 100 - 1,600 ISO 100 - 25,600 ISO
    ISO Boost 50 - 3,200 ISO 100 - 51,200 ISO
    Image Processor DIGIC III (Dual) DIGIC 8
    DXO Sensor Quality (score) 80 ..
    DXO Color Depth (bits) 24.0 ..
    DXO Dynamic Range (EV) 12.0 ..
    DXO Low Light (ISO) 1663 ..
    Screen Specs Canon 1Ds Mark III Canon T8i
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.76x 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 1Ds Mark III Canon T8i
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 5 shutter flaps/s 7.5 shutter flaps/s
    Shutter Life Expectancy300 000 actuations100 000 actuations
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    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 1Ds Mark III Canon T8i
    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
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 1Ds Mark III Canon T8i
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E4 Canon LP-E17
    Battery Life (CIPA)1800 shots per charge800 shots per charge
    Body Dimensions 150 x 160 x 80 mm
    (5.9 x 6.3 x 3.1 in)
    131 x 103 x 76 mm
    (5.2 x 4.1 x 3.0 in)
    Camera Weight 1385 g (48.9 oz) 515 g (18.2 oz)
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    Check T8i offers at
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