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Canon 1Ds Mark III vs 50D

The Canon EOS-1Ds Mark III and the Canon EOS 50D are two digital cameras that were revealed to the public, respectively, in August 2007 and August 2008. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1Ds Mark III) and an APS-C (50D) sensor. The 1Ds Mark III has a resolution of 21 megapixels, whereas the 50D provides 15.1 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   Canon 50D
Canon 1Ds Mark III Canon 50D
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
21 MP, Full Frame Sensor 15.1 MP, APS-C Sensor
no Video no Video
ISO 100-1600 (50-3200) ISO 100-3200 (100-12800)
Optical viewfinder Optical viewfinder
3.0" LCD, 230k dots 3.0" LCD, 920k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
5 shutter flaps per second 6.3 shutter flaps per second
Weathersealed bodyWeathersealed body
1800 shots per battery charge800 shots per battery charge
150 x 160 x 80 mm, 1385 g 146 x 108 x 74 mm, 822 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1Ds Mark III and the Canon EOS 50D? 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.

Body comparison: Canon 1Ds Mark III vs 50D

The physical size and weight of the Canon 1Ds Mark III and the Canon 50D are illustrated 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 1Ds Mark III vs Canon 50D
Compare 1Ds Mark III versus 50D top
Comparison 1Ds Mark III or 50D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 50D is considerably smaller (34 percent) than the Canon 1Ds Mark III. Moreover, the 50D is substantially lighter (41 percent) than the 1Ds 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. 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 (50D). 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 LP-E4 battery, while the 50D can take 800 images on a single charge of its BP-511A power pack. As can be seen in the images above, the 1Ds Mark III has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the 50D, Canon provides the BG-E2N vertical grip as an optional accessory (see here on eBay).

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon 1Ds Mark III» 5.9 in 6.3 in 3.1 in 48.9 oz 1800 Y Aug 2007 7,999- i Canon 1Ds Mark III
 
Canon 50D« 5.7 in 4.3 in 2.9 in 29.0 oz 800 Y Aug 2008 1,299- i Canon 50D
 
Canon 1D X Mark II« » 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999 i i Canon 1D X Mark II
 
Canon 70D« » 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199- i Canon 70D
 
Canon 1D C« » 6.2 in 6.5 in 3.3 in 54.5 oz 1120 Y Apr 2012 14,999- i Canon 1D C
 
Canon 5D Mark III« » 6.0 in 4.6 in 3.0 in 33.5 oz 950 Y Mar 2012 3,499- i Canon 5D Mark III
 
Canon 6D« » 5.7 in 4.4 in 2.8 in 27.2 oz 1090 Y Sep 2012 2,099- i Canon 6D
 
Canon 1D X« » 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799- i Canon 1D X
 
Canon 60D« » 5.7 in 4.2 in 3.1 in 26.6 oz 1100 Y Aug 2010 1,399- i Canon 60D
 
Canon 7D« » 5.8 in 4.4 in 2.9 in 30.3 oz 800 Y Sep 2009 1,699- i Canon 7D
 
Canon 5D Mark II« » 6.0 in 4.5 in 3.0 in 30.0 oz 850 Y Sep 2008 3,499- i Canon 5D Mark II
 
Canon 1D Mark III« » 6.1 in 6.2 in 3.1 in 40.7 oz 2200 Y Feb 2007 4,499- i Canon 1D Mark III
 
Canon 40D« » 5.7 in 4.3 in 2.9 in 29.0 oz 750 n Aug 2007 1,299- i Canon 40D
 
Canon 1Ds Mark II« » 6.1 in 6.2 in 3.1 in 42.9 oz 1200 Y Sep 2004 7,999- i Canon 1Ds Mark II
 
Canon 20D« » 5.7 in 4.2 in 2.8 in 27.2 oz 700 n Aug 2004 1,499- i Canon 20D
 
Canon 1Ds« » 6.1 in 6.2 in 3.1 in 44.6 oz 600 Y Sep 2002 8,999- i Canon 1Ds
 
Nikon D3X« » 6.3 in 6.2 in 3.5 in 44.4 oz 4400 Y Dec 2008 7,999- i Nikon D3X
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 50D was launched at a markedly lower price (by 84 percent) than the 1Ds Mark III, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

 

Sensor comparison: Canon 1Ds Mark III vs 50D

The size of the imaging sensor is a crucial determinant 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 1Ds Mark III features a full frame sensor and the Canon 50D an APS-C sensor. The sensor area in the 50D 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.

In terms of underlying technology, both cameras are build around CMOS sensors.

Canon 1Ds Mark III and Canon 50D sensor measures

With 21MP, the 1Ds Mark III offers a higher resolution than the 50D (15.1MP), but the 1Ds Mark III nevertheless has larger individual pixels (pixel pitch of 6.41μm versus 4.69μm for the 50D) due to its larger sensor. However, the 50D is a somewhat more recent model (by 1 year) than the 1Ds Mark III, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon 1Ds Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 1Ds Mark III for good quality output (200 dots per inch) amounts to 28.1 x 18.7 inch or 71.3 x 47.5 cm, for very good quality (250 dpi) 22.5 x 15 inch or 57.1 x 38 cm, and for excellent quality (300 dpi) 18.7 x 12.5 inch or 47.5 x 31.7 cm. The corresponding values for the Canon 50D are 23.8 x 15.8 inch or 60.4 x 40.2 cm for good quality, 19 x 12.7 inch or 48.3 x 32.2 cm for very good quality, and 15.8 x 10.6 inch or 40.2 x 26.8 cm for excellent quality prints.

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 50D are ISO 100 to ISO 3200, with the possibility to increase the ISO range to 100-12800.

1Ds Mark III versus 50D 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"). Of the two cameras under review, the 1Ds Mark III provides substantially higher image quality than the 50D, with an overall score that is 17 points higher. This advantage is based on 2.2 bits higher color depth, 0.6 EV in additional dynamic range, and 1.3 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Canon 1Ds Mark III» Full Frame 21.0 5616 3744-24.012.0166380Canon 1Ds Mark III
 
Canon 50D« APS-C 15.1 4752 3168-21.811.469663Canon 50D
 
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X Mark II
 
Canon 70D« » APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
 
Canon 1D C« » Full Frame 17.9 5184 34564K/24p----Canon 1D C
 
Canon 5D Mark III« » Full Frame 22.1 5760 38401080/30p24.011.7229381Canon 5D Mark III
 
Canon 6D« » Full Frame 20.0 5472 36481080/30p23.812.1234082Canon 6D
 
Canon 1D X« » Full Frame 17.9 5184 34561080/30p23.811.8278682Canon 1D X
 
Canon 60D« » APS-C 17.9 5184 34561080/30p22.211.581366Canon 60D
 
Canon 7D« » APS-C 17.9 5184 34561080/30p22.011.785466Canon 7D
 
Canon 5D Mark II« » Full Frame 21.0 5616 37441080/30p23.711.9181579Canon 5D Mark II
 
Canon 1D Mark III« » APS-H 10.1 3888 2592-22.711.7107871Canon 1D Mark III
 
Canon 40D« » APS-C 10.1 3888 2592-22.111.370364Canon 40D
 
Canon 1Ds Mark II« » Full Frame 16.6 4992 3328-23.311.3148074Canon 1Ds Mark II
 
Canon 20D« » APS-C 8.2 3504 2336-21.911.072162Canon 20D
 
Canon 1Ds« » Full Frame 11.0 4064 2704-21.811.095463Canon 1Ds
 
Nikon D3X« » Full Frame 24.4 6048 4032-24.713.7199288Nikon D3X
Both the 1Ds Mark III and the 50D offer Live View, so that they make it possible to use the rear screen for framing. Both cameras are still-image focused and cannot record videos.
 

Feature comparison: Canon 1Ds Mark III vs 50D

Beyond body and sensor, cameras can and do differ across a range of features. The 1Ds Mark III and the 50D 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 50D (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 0.59x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon 1Ds Mark III and Canon 50D in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon 1Ds Mark III»optical Y 3.0 230 fixed n 1/8000s 5.0 n n Canon 1Ds Mark III
 
Canon 50D«optical Y 3.0 920 fixed n 1/8000s 6.3 Y n Canon 50D
 
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 1/8000s 16.0 n n Canon 1D X Mark II
 
Canon 70D« »optical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 70D
 
Canon 1D C« »optical Y 3.2 1040 fixed n 1/8000s 14.0 n n Canon 1D C
 
Canon 5D Mark III« »optical Y 3.2 1040 fixed n 1/8000s 6.0 n n Canon 5D Mark III
 
Canon 6D« »optical Y 3.0 1040 fixed n 1/4000s 4.5 n n Canon 6D
 
Canon 1D X« »optical Y 3.2 1040 fixed n 1/8000s 14.0 n n Canon 1D X
 
Canon 60D« »optical Y 3.0 1040 swivel n 1/8000s 5.3 Y n Canon 60D
 
Canon 7D« »optical Y 3.0 920 fixed n 1/8000s 8.0 Y n Canon 7D
 
Canon 5D Mark II« »optical Y 3.0 920 fixed n 1/8000s 3.9 n n Canon 5D Mark II
 
Canon 1D Mark III« »optical Y 3.0 230 fixed n 1/8000s 10.0 n n Canon 1D Mark III
 
Canon 40D« »optical Y 3.0 230 fixed n 1/8000s 6.5 Y n Canon 40D
 
Canon 1Ds Mark II« »optical Y 2.0 230 fixed n 1/8000s 4.0 n n Canon 1Ds Mark II
 
Canon 20D« »optical Y 1.8 118 fixed n 1/8000s 5.0 Y n Canon 20D
 
Canon 1Ds« »optical Y 2.0 120 fixed n 1/8000s 3.0 n n Canon 1Ds
 
Nikon D3X« »optical Y 3.0 922 fixed n 1/8000s 5.0 n n Nikon D3X

One difference between the cameras concerns the presence of an on-board flash. The 50D has one, while the 1Ds Mark III does not. While the built-in flash of the 50D is not very powerful, it can at times be useful as a fill-in light.

The 1Ds Mark III writes its imaging data to Compact Flash or SDHC cards, while the 50D uses Compact Flash cards.

 

Connectivity comparison: Canon 1Ds Mark III vs 50D

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 50D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon 1Ds Mark III»Y-----2.0---Canon 1Ds Mark III
 
Canon 50D«Y----mini2.0---Canon 50D
 
Canon 1D X Mark II« »YmonomonoYYmini3.0---Canon 1D X Mark II
 
Canon 70D« »YstereomonoY-mini2.0Y--Canon 70D
 
Canon 1D C« »YmonomonoYYmini2.0---Canon 1D C
 
Canon 5D Mark III« »YmonomonoYYmini2.0---Canon 5D Mark III
 
Canon 6D« »YmonomonoY-mini2.0Y--Canon 6D
 
Canon 1D X« »Ymono-Y-mini2.0---Canon 1D X
 
Canon 60D« »YmonomonoY-mini2.0---Canon 60D
 
Canon 7D« »Ymono-Y-mini2.0---Canon 7D
 
Canon 5D Mark II« »YmonomonoY-mini2.0---Canon 5D Mark II
 
Canon 1D Mark III« »Y-----2.0---Canon 1D Mark III
 
Canon 40D« »Y-----2.0---Canon 40D
 
Canon 1Ds Mark II« »Y-----2.0---Canon 1Ds Mark II
 
Canon 20D« »Y-----1.1---Canon 20D
 
Canon 1Ds« »Y-----FW---Canon 1Ds
 
Nikon D3X« »Y----mini2.0---Nikon D3X

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the 1Ds Mark III and the 50D have been discontinued, but can regularly be found used on eBay. The 1Ds Mark III was replaced by the Canon 1DX, while the 50D was followed by the Canon 60D. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.


Review summary: Canon 1Ds Mark III vs 50D

So what conclusions can be drawn? Which of the two cameras – the Canon 1Ds Mark III or the Canon 50D – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.


Advantages of the Canon EOS-1Ds Mark III:

  • More detail: Offers more megapixels (21 vs 15.1MP) with a 18% higher linear resolution.
  • Better image quality: Scores substantially higher (17 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.2 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (0.6 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.3 stops ISO advantage).
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.59x).
  • 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.
  • More heavily discounted: Has been on the market for longer (launched in August 2007).


Reasons to prefer the Canon EOS 50D:

  • More detailed LCD: Has a higher resolution rear screen (920k vs 230k dots).
  • Faster burst: Shoots at higher frequency (6.3 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (146x108mm vs 150x160mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 563g or 41 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (84 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the 1Ds Mark III emerges as the winner of the contest (10 : 7 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

1Ds Mark III 10:07 50D

How about other alternatives? Do the specifications of the Canon 1Ds Mark III and the Canon 50D 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 says little about, for example, the shooting experience and imaging performance of the 1Ds Mark III and the 50D in practical situations. 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: Canon 1Ds Mark III vs 50D

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon 1Ds Mark III»-+ +4.5/5-- Aug 2007 7,999- i Canon 1Ds Mark III
 
Canon 50D«+ ++ +4.5/55/54.5/5 Aug 2008 1,299- i Canon 50D
 
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i Canon 1D X Mark II
 
Canon 70D« »+ +83/1004.5/54.5/55/5 Jul 2013 1,199- i Canon 70D
 
Canon 1D C« »----- Apr 2012 14,999- i Canon 1D C
 
Canon 5D Mark III« »+ +82/1004.5/55/54.5/5 Mar 2012 3,499- i Canon 5D Mark III
 
Canon 6D« »+ +83/1004.5/54.5/54.5/5 Sep 2012 2,099- i Canon 6D
 
Canon 1D X« »--4.5/54.5/54.5/5 Oct 2011 6,799- i Canon 1D X
 
Canon 60D« »+79/1004/55/54.5/5 Aug 2010 1,399- i Canon 60D
 
Canon 7D« »+ +84/1004.5/55/54.5/5 Sep 2009 1,699- i Canon 7D
 
Canon 5D Mark II« »91/10079/1004/55/5- Sep 2008 3,499- i Canon 5D Mark II
 
Canon 1D Mark III« »---o- Feb 2007 4,499- i Canon 1D Mark III
 
Canon 40D« »+ ++ +4.5/5o4.5/5 Aug 2007 1,299- i Canon 40D
 
Canon 1Ds Mark II« »-+ +--- Sep 2004 7,999- i Canon 1Ds Mark II
 
Canon 20D« »-+ +-o- Aug 2004 1,499- i Canon 20D
 
Canon 1Ds« »-+ +--- Sep 2002 8,999- i Canon 1Ds
 
Nikon D3X« »-86/1004/55/55/5 Dec 2008 7,999- i Nikon D3X
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, 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 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.

Canon 1Ds Mark III:
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Canon 50D:
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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 use the search menu 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 50D

    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 50D
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date August 2007 August 2008
    Launch Price USD 7999 USD 1299
    Sensor Specs Canon 1Ds Mark III Canon 50D
    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 15.1 Megapixels
    Image Resolution 5616 x 3744 pixels 4752 x 3168 pixels
    Pixel Pitch 6.41 μm 4.69 μm
    Pixel Density 2.43 MP/cm2 4.53 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video no Video
    ISO Setting 100-1600 ISO 100-3200 ISO
    ISO Boost 50-3200 ISO 100-12800 ISO
    Image Processor DIGIC III (Dual) DIGIC 4
    DXO Sensor Quality (score) 80 63
    DXO Color Depth (bits) 24.0 21.8
    DXO Dynamic Range (EV) 12.0 11.4
    DXO Low Light (ISO) 1663 696
    Screen Specs Canon 1Ds Mark III Canon 50D
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.76x 0.59x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 230k dots 920k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 1Ds Mark III Canon 50D
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 5 shutter flaps/s 6.3 shutter flaps/s
    Shutter Life Expectancy300 000 actuations100 000 actuations
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium CF or SDHC cards CF cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Canon 1Ds Mark III Canon 50D
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Canon 1Ds Mark III Canon 50D
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type LP-E4 power pack BP-511A power pack
    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)
    146 x 108 x 74 mm
    (5.7 x 4.3 x 2.9 in)
    Camera Weight 1385 g (48.9 oz) 822 g (29.0 oz)

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