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Canon 1D Mark III vs SL3

The Canon EOS-1D Mark III and the Canon EOS Rebel SL3 (labelled Canon 250D in some countries) are two digital cameras that were officially introduced, respectively, in February 2007 and April 2019. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-H (1D Mark III) and an APS-C (SL3) sensor. The 1D Mark III has a resolution of 10.1 megapixels, whereas the SL3 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 SL3
Canon 1D Mark III   Canon SL3
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 4K/25p 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 5 shutter flaps per second
Weathersealed bodynot weather sealed
2200 shots per battery charge1070 shots per battery charge
156 x 157 x 80 mm, 1155 g 122 x 93 x 70 mm, 449 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 SL3? 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 SL3. 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.

The SL3 can be obtained in two different colors (black, white), while the 1D Mark III is only available in black.

Size Canon 1D Mark III vs Canon SL3
Compare 1D Mark III versus SL3 top
Comparison 1D Mark III or SL3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon SL3 is considerably smaller (54 percent) than the Canon 1D Mark III. Moreover, the SL3 is substantially lighter (61 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 SL3 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 (SL3). 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 SL3 can take 1070 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 SL3, there are third party battery grips available as optional accessories (see here on ebay).

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 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 4,499ebay.com
2.
 
Canon SL3 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 599 amazon.com
3.
 
Canon T8i 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 749ebay.com
4.
 
Canon M50 Mark II 116 mm 88 mm 59 mm 387 g 305 n Oct 2020 599ebay.com
5.
 
Canon T7 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 amazon.com
6.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899ebay.com
7.
 
Canon SL2 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549ebay.com
8.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
9.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
10.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999ebay.com
11.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
12.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999ebay.com
13.
 
Canon 1D Mark II N 156 mm 158 mm 80 mm 1565 g 1200 Y Aug 2005 3,999ebay.com
14.
 
Canon 1D Mark II 156 mm 158 mm 80 mm 1535 g 1200 Y Jan 2004 4,499ebay.com
15.
 
Canon 1Ds 156 mm 158 mm 80 mm 1265 g 600 Y Sep 2002 8,999ebay.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 retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The SL3 was launched at a markedly lower price (by 87 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. 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be 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 SL3 an APS-C sensor. The sensor area in the SL3 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 SL3 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 SL3 sensor measures

Despite having a smaller sensor, the SL3 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 SL3 is much more recent (by 12 years and 1 month) 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 SL3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the SL3 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 SL3 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 SL3 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 SL3 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 1D Mark III APS-H 10.1 3888 2592none22.711.7107871
2.
 
Canon SL3 APS-C 24.0 6000 40004K/25p23.913.4179182
3.
 
Canon T8i APS-C 24.0 6000 40004K/24p24.013.5187383
4.
 
Canon M50 Mark II APS-C 24.0 6000 40004K/24p24.013.6193983
5.
 
Canon T7 APS-C 24.0 6000 40001080/30p23.813.3168481
6.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
7.
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
8.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
9.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
10.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
11.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
12.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
13.
 
Canon 1D Mark II N APS-H 8.2 3504 2336none22.311.297566
14.
 
Canon 1D Mark II APS-H 8.2 3504 2336none22.311.1100366
15.
 
Canon 1Ds Full Frame 11.0 4064 2704none21.811.095463
16.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
17.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras cannot only take still pictures, but also record videos. The SL3 indeed provides for movie recording, while the 1D Mark III does not. The highest resolution format that the SL3 can use is 4K/25p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The 1D Mark III and the SL3 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 SL3 (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 0.54x), 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 SL3 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 SL3optical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
3.
 
Canon T8ioptical n3.0 / 1040 swivel Y 1/4000s 7.5/s Y n
4.
 
Canon M50 Mark II2360 n3.0 / 1040 swivel Y 1/4000s 10.0/s Y n
5.
 
Canon T7optical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
6.
 
Canon 77Doptical Y3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
7.
 
Canon SL2optical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
8.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
9.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
10.
 
Canon 1D Mark IVoptical Y3.0 / 920 fixed n 1/8000s 10.0/s n n
11.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
12.
 
Canon 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
13.
 
Canon 1D Mark II Noptical Y2.5 / 230 fixed n 1/8000s 8.5/s n n
14.
 
Canon 1D Mark IIoptical Y2.0 / 230 fixed n 1/8000s 8.3/s n n
15.
 
Canon 1Dsoptical Y2.0 / 120 fixed n 1/8000s 3.0/s n 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 feature that is present on the 1D Mark III, but is missing on the SL3 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 SL3 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 Canon SL3 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 1D Mark III writes its imaging data to Compact Flash or SDHC cards, while the SL3 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 SL3 only has one slot. The SL3 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 SL3 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 SL3Ystereo / monoY-mini2.0Y-Y
3.
 
Canon T8iYstereo / monoY-mini2.0Y-Y
4.
 
Canon M50 Mark IIYstereo / monoY-micro2.0Y-Y
5.
 
Canon T7Ymono / mono--mini2.0YY-
6.
 
Canon 77DYstereo / monoY-mini2.0YYY
7.
 
Canon SL2Ystereo / monoY-mini2.0YYY
8.
 
Canon 5DS RYmono / monoY-mini3.0---
9.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
10.
 
Canon 1D Mark IVYstereo / -Y-mini2.0---
11.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
12.
 
Canon 1Ds Mark IIIYmono / ----2.0---
13.
 
Canon 1D Mark II NY- / ----1.1---
14.
 
Canon 1D Mark IIY- / ----1.1---
15.
 
Canon 1DsY- / ----FW---
16.
 
Nikon D3Y- / ---mini2.0---
17.
 
Nikon D2XsY- / ----2.0---
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It is notable that the SL3 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 SL3) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The SL3 is a recent model that features in the current product line-up of Canon. In contrast, the 1D Mark III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the 1D Mark III was succeeded by the Canon 1D Mark IV. Further information on the features and operation of the 1D Mark III and SL3 can be found, respectively, in the Canon 1D Mark III Manual (free pdf) or the online Canon SL3 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 SL3? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.


Advantages 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 0.54x).
  • 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 5 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 1070) 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).


Arguments in favor of the Canon EOS Rebel SL3:

  • 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 8 vs DIGIC III).
  • Broader imaging potential: Can capture not only stills but also 4K/25p 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.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (122x93mm vs 156x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 706g or 61 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 (87 percent cheaper at launch).
  • More modern: Reflects 12 years and 1 month of technical progress since the 1D Mark III launch.

If the count of relative strengths (bullet points above) is taken as a measure, the SL3 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 SL3

How about other alternatives? Do the specifications of the Canon 1D Mark III and the Canon SL3 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 says little about, for example, the shooting experience and imaging performance of the 1D Mark III and the SL3 in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 SL34/5o4.5/579/1004/54/5 Apr 2019 599 amazon.com
3.
 
Canon T8i4.5/5+3/580/1004/53.5/5 Feb 2020 749ebay.com
4.
 
Canon M50 Mark II4/5..4/5..4.5/53.5/5 Oct 2020 599ebay.com
5.
 
Canon T7..o3.5/5..3.5/53.5/5 Feb 2018 449 amazon.com
6.
 
Canon 77D4.5/5..4/582/1004.5/54/5 Feb 2017 899ebay.com
7.
 
Canon SL24/5+ +4/578/1004.5/54.5/5 Jun 2017 549ebay.com
8.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
9.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
10.
 
Canon 1D Mark IV5/5....89/100.... Oct 2009 4,999ebay.com
11.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
12.
 
Canon 1Ds Mark III......+ +4.5/5.. Aug 2007 7,999ebay.com
13.
 
Canon 1D Mark II N............ Aug 2005 3,999ebay.com
14.
 
Canon 1D Mark II......+ +.... Jan 2004 4,499ebay.com
15.
 
Canon 1Ds......+ +.... Sep 2002 8,999ebay.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 review scores listed above should be treated 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. A score, therefore, has to be seen in close connection to the price and market introduction time 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? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. 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 SL3

    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 SL3
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date February 2007 April 2019
    Launch Price USD 4,499 USD 599
    Sensor Specs Canon 1D Mark III Canon SL3
    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 4K/25p 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 8
    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 SL3
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.58x 0.54x
    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 SL3
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 10 shutter flaps/s 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 1D Mark III Canon SL3
    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 1D Mark III Canon SL3
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E4 Canon LP-E17
    Battery Life (CIPA)2200 shots per charge1070 shots per charge
    Body Dimensions 156 x 157 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    122 x 93 x 70 mm
    (4.8 x 3.7 x 2.8 in)
    Camera Weight 1155 g (40.7 oz) 449 g (15.8 oz)
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