Canon 1Ds Mark III vs 650D
The Canon EOS-1Ds Mark III and the Canon EOS 650D (labelled Canon T4i in some countries) are two digital cameras that were officially introduced, respectively, in August 2007 and June 2012. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1Ds Mark III) and an APS-C (650D) sensor. The 1Ds Mark III has a resolution of 21 megapixels, whereas the 650D provides 17.9 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon 1Ds Mark III||Canon 650D|
|Digital single lens reflex||Digital single lens reflex|
|Canon EF mount lenses||Canon EF mount lenses|
|21 MP, Full Frame Sensor||17.9 MP, APS-C Sensor|
|no Video||1080/30p Video|
|ISO 100-1600 (50-3200)||ISO 100-12800 (100-25600)|
|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||5 shutter flaps per second|
|Weathersealed body||Not weather sealed|
|1800 shots per battery charge||440 shots per battery charge|
|150 x 160 x 80 mm, 1385 g||133 x 100 x 79 mm, 575 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 650D? 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.
An illustration of the physical size and weight of the Canon 1Ds Mark III and the Canon 650D 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 size dimensions are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 650D is considerably smaller (45 percent) than the Canon 1Ds Mark III. Moreover, the 650D is substantially lighter (58 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 650D 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 (650D). 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 650D can take 440 images on a single charge of its LP-E8 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 650D, Canon provides the BG-E8 vertical grip as an optional accessory (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, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.
|Canon 1Ds Mark III»||150 mm||160 mm||80 mm||1385 g||1800||Y||Aug 2007||7,999||Canon 1Ds Mark III|
|Canon 650D«||133 mm||100 mm||79 mm||575 g||440||n||Jun 2012||849||Canon 650D|
|Canon 1D X Mark III« »||158 mm||168 mm||83 mm||1440 g||2850||Y||Jan 2020||6,499||Canon 1D X Mark III|
|Canon 1D X Mark II« »||158 mm||168 mm||83 mm||1530 g||1210||Y||Feb 2016||5,999||Canon 1D X Mark II|
|Canon 700D« »||133 mm||100 mm||79 mm||580 g||440||n||Mar 2013||649||Canon 700D|
|Canon 1D C« »||158 mm||164 mm||83 mm||1545 g||1120||Y||Apr 2012||14,999||Canon 1D C|
|Canon 5D Mark III« »||152 mm||116 mm||76 mm||950 g||950||Y||Mar 2012||3,499||Canon 5D Mark III|
|Canon 6D« »||145 mm||111 mm||71 mm||770 g||1090||Y||Sep 2012||2,099||Canon 6D|
|Canon G1 X« »||117 mm||81 mm||65 mm||534 g||250||n||Jan 2012||799||Canon G1 X|
|Canon 1D X« »||158 mm||168 mm||83 mm||1551 g||1120||Y||Oct 2011||6,799||Canon 1D X|
|Canon 600D« »||133 mm||100 mm||80 mm||570 g||440||n||Feb 2011||599||Canon 600D|
|Canon 550D« »||129 mm||98 mm||62 mm||530 g||440||n||Feb 2010||699||Canon 550D|
|Canon 500D« »||129 mm||98 mm||62 mm||520 g||400||n||Mar 2009||799||Canon 500D|
|Canon 5D Mark II« »||152 mm||114 mm||75 mm||850 g||850||Y||Sep 2008||3,499||Canon 5D Mark II|
|Canon 1D Mark III« »||156 mm||157 mm||80 mm||1155 g||2200||Y||Feb 2007||4,499||Canon 1D Mark III|
|Canon 1Ds Mark II« »||156 mm||158 mm||80 mm||1215 g||1200||Y||Sep 2004||7,999||Canon 1Ds Mark II|
|Nikon D3X« »||160 mm||157 mm||88 mm||1260 g||4400||Y||Dec 2008||7,999||Nikon D3X|
|Note: Measurements and pricing do not include easily detachable parts, such as 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 650D was launched at a markedly lower price (by 89 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.
The size of the sensor inside a digital camera is one of the key determinants 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. 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 1Ds Mark III features a full frame sensor and the Canon 650D an APS-C sensor. The sensor area in the 650D 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.
With 21MP, the 1Ds Mark III offers a higher resolution than the 650D (17.9MP), but the 1Ds Mark III nevertheless has larger individual pixels (pixel pitch of 6.41μm versus 4.31μm for the 650D) due to its larger sensor. However, the 650D is a much more recent model (by 4 years and 9 months) than the 1Ds Mark III, and its sensor will have benefitted from technological advances during this time that further 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 650D are 25.9 x 17.3 inch or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inch or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inch or 43.9 x 29.3 cm for excellent quality prints.
The 650D 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 650D are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 100-25600.
For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the 1Ds Mark III provides substantially higher image quality than the 650D, with an overall score that is 18 points higher. This advantage is based on 2.3 bits higher color depth, 0.8 EV in additional dynamic range, and 1.2 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.
|Canon 1Ds Mark III||Full Frame||21.0||5616||3744||none||24.0||12.0||1663||80||Canon 1Ds Mark III|
|Canon 650D||APS-C||17.9||5184||3456||1080/30p||21.7||11.2||722||62||Canon 650D|
|Canon 1D X Mark III||Full Frame||20.0||5472||3648||4K/60p||24.2||14.5||3248||91||Canon 1D X Mark III|
|Canon 1D X Mark II||Full Frame||20.0||5472||3648||4K/60p||24.1||13.5||3207||88||Canon 1D X Mark II|
|Canon 700D||APS-C||17.9||5184||3456||1080/30p||21.7||11.2||681||61||Canon 700D|
|Canon 1D C||Full Frame||17.9||5184||3456||4K/24p||..||..||..||..||Canon 1D C|
|Canon 5D Mark III||Full Frame||22.1||5760||3840||1080/30p||24.0||11.7||2293||81||Canon 5D Mark III|
|Canon 6D||Full Frame||20.0||5472||3648||1080/30p||23.8||12.1||2340||82||Canon 6D|
|Canon G1 X||1.5-inch||14.2||4352||3264||1080/24p||21.7||10.8||644||60||Canon G1 X|
|Canon 1D X||Full Frame||17.9||5184||3456||1080/30p||23.8||11.8||2786||82||Canon 1D X|
|Canon 600D||APS-C||17.9||5184||3456||1080/30p||22.1||11.5||793||65||Canon 600D|
|Canon 550D||APS-C||17.9||5184||3456||1080/30p||22.1||11.5||784||66||Canon 550D|
|Canon 500D||APS-C||15.1||4752||3168||1080/20p||21.7||11.5||663||63||Canon 500D|
|Canon 5D Mark II||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79||Canon 5D Mark II|
|Canon 1D Mark III||APS-H||10.1||3888||2592||none||22.7||11.7||1078||71||Canon 1D Mark III|
|Canon 1Ds Mark II||Full Frame||16.6||4992||3328||none||23.3||11.3||1480||74||Canon 1Ds Mark II|
|Nikon D3X||Full Frame||24.4||6048||4032||none||24.7||13.7||1992||88||Nikon D3X|
Many modern cameras are not only capable of taking still images, but can also record movies. The 650D indeed provides for movie recording, while the 1Ds Mark III does not. The highest resolution format that the 650D can use is 1080/30p.
Beyond body and sensor, cameras can and do differ across a range of features. The 1Ds Mark III and the 650D 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 650D (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 0.53x), 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 1Ds Mark III and Canon 650D along with similar information for a selection of comparators.
|Canon 1Ds Mark III||optical||Y||3.0||230||fixed||n||1/8000s||5.0||n||n||Canon 1Ds Mark III|
|Canon 650D||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 650D|
|Canon 1D X Mark III||optical||Y||3.2||2100||fixed||Y||1/8000s||20.0||n||n||Canon 1D X Mark III|
|Canon 1D X Mark II||optical||Y||3.2||1620||fixed||Y||1/8000s||16.0||n||n||Canon 1D X Mark II|
|Canon 700D||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 700D|
|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 G1 X||optical||n||3.0||922||Swivel||n||1/4000s||1.9||Y||Y||Canon G1 X|
|Canon 1D X||optical||Y||3.2||1040||fixed||n||1/8000s||14.0||n||n||Canon 1D X|
|Canon 600D||optical||n||3.0||1040||swivel||n||1/4000s||3.7||Y||n||Canon 600D|
|Canon 550D||optical||n||3.0||1040||fixed||n||1/4000s||3.7||Y||n||Canon 550D|
|Canon 500D||optical||n||3.0||920||fixed||n||1/4000s||3.4||Y||n||Canon 500D|
|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 1Ds Mark II||optical||Y||2.0||230||fixed||n||1/8000s||4.0||n||n||Canon 1Ds Mark II|
|Nikon D3X||optical||Y||3.0||922||fixed||n||1/8000s||5.0||n||n||Nikon D3X|
One feature that is present on the 1Ds Mark III, but is missing on the 650D 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 650D 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 1Ds Mark III writes its imaging data to Compact Flash or SDHC cards, while the 650D 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 650D only has one slot. The 650D 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.
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 650D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon 1Ds Mark III||Y||none||none||-||-||none||2.0||-||-||-||Canon 1Ds Mark III|
|Canon 650D||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Canon 650D|
|Canon 1D X Mark III||Y||mono||mono||Y||Y||mini||3.1||Y||-||Y||Canon 1D X Mark III|
|Canon 1D X Mark II||Y||mono||mono||Y||Y||mini||3.0||-||-||-||Canon 1D X Mark II|
|Canon 700D||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Canon 700D|
|Canon 1D C||Y||mono||mono||Y||Y||mini||2.0||-||-||-||Canon 1D C|
|Canon 5D Mark III||Y||mono||mono||Y||Y||mini||2.0||-||-||-||Canon 5D Mark III|
|Canon 6D||Y||mono||mono||Y||-||mini||2.0||Y||-||-||Canon 6D|
|Canon G1 X||Y||stereo||mono||-||-||mini||2.0||-||-||-||Canon G1 X|
|Canon 1D X||Y||mono||none||Y||-||mini||2.0||-||-||-||Canon 1D X|
|Canon 600D||Y||mono||mono||Y||-||mini||2.0||-||-||-||Canon 600D|
|Canon 550D||Y||stereo||none||Y||-||mini||2.0||-||-||-||Canon 550D|
|Canon 500D||Y||mono||mono||-||-||mini||2.0||-||-||-||Canon 500D|
|Canon 5D Mark II||Y||mono||mono||Y||-||mini||2.0||-||-||-||Canon 5D Mark II|
|Canon 1D Mark III||Y||none||none||-||-||none||2.0||-||-||-||Canon 1D Mark III|
|Canon 1Ds Mark II||Y||none||none||-||-||none||2.0||-||-||-||Canon 1Ds Mark II|
|Nikon D3X||Y||none||none||-||-||mini||2.0||-||-||-||Nikon D3X|
Studio photographers will appreciate that the Canon 1Ds Mark III (unlike the 650D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the 1Ds Mark III and the 650D have been discontinued, but can regularly be found used on eBay. The 1Ds Mark III was replaced by the Canon 1DX, while the 650D was followed by the Canon 700D. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.
So what conclusions can be drawn? Is the Canon 1Ds Mark III better than the Canon 650D or vice versa? The listing below highlights the relative strengths of the two models.
Arguments in favor of the Canon EOS-1Ds Mark III:
- More detail: Offers more megapixels (21 vs 17.9MP) with a 8% higher linear resolution.
- Better image quality: Scores substantially higher (18 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (2.3 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (0.8 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (1.2 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 0.53x).
- 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 440) 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).
Advantages of the Canon EOS 650D:
- Broader imaging potential: Can capture not only stills but also 1080/30p 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 (133x100mm vs 150x160mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 810g or 58 percent) and is thus easier to take along.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More affordable: Was introduced into a lower priced category (89 percent cheaper at launch).
- More modern: Reflects 4 years and 9 months of technical progress since the 1Ds Mark III launch.
If the count of relative strengths (bullet points above) is taken as a measure, the 1Ds Mark III emerges as the winner of the contest (15 : 12 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.
How about other alternatives? Do the specifications of the Canon 1Ds Mark III and the Canon 650D 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 1Ds Mark III or the 650D. 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.
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 (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.
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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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.
- Canon 1Ds Mark III vs Canon 70D
- Canon 1Ds Mark III vs Canon SX720
- Canon 1Ds Mark III vs Nikon D70
- Canon 1Ds Mark III vs Sony HX95
- Canon 50D vs Canon 650D
- Canon 650D vs Fujifilm X-M1
- Canon 650D vs Hasselblad X1D
- Canon 650D vs Leica TL2
- Canon 650D vs Olympus E-330
- Canon 650D vs Panasonic G90
- Canon 650D vs Panasonic GX800
- Canon 650D vs Pentax K-1 II
Specifications: Canon 1Ds Mark III vs Canon 650D
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 Model||Canon 1Ds Mark III||Canon 650D|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Canon EF mount lenses|
|Launch Date||August 2007||June 2012|
|Launch Price||USD 7999||USD 849|
|Sensor Specs||Canon 1Ds Mark III||Canon 650D|
|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|
|Sensor Resolution||21 Megapixels||17.9 Megapixels|
|Image Resolution||5616 x 3744 pixels||5184 x 3456 pixels|
|Pixel Pitch||6.41 μm||4.31 μm|
|Pixel Density||2.43 MP/cm2||5.39 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||no Video||1080/30p Video|
|ISO Setting||100-1600 ISO||100-12800 ISO|
|ISO Boost||50-3200 ISO||100-25600 ISO|
|Image Processor||DIGIC III (Dual)||DIGIC 5|
|DXO Sensor Quality (score)||80||62|
|DXO Color Depth (bits)||24.0||21.7|
|DXO Dynamic Range (EV)||12.0||11.2|
|DXO Low Light (ISO)||1663||722|
|Screen Specs||Canon 1Ds Mark III||Canon 650D|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||95%|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||230k dots||1040k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Canon 1Ds Mark III||Canon 650D|
|Focus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||5 shutter flaps/s||5 shutter flaps/s|
|Shutter Life Expectancy||300 000 actuations||100 000 actuations|
|Fill Flash||no On-Board Flash||Build-in Flash|
|Storage Medium||CF or SDHC cards||SDXC cards|
|Second Storage Option||Dual card slots||Single card slot|
|UHS card support||no||UHS-I|
|Connectivity Specs||Canon 1Ds Mark III||Canon 650D|
|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||no Wifi|
|Body Specs||Canon 1Ds Mark III||Canon 650D|
|Environmental Sealing||Weathersealed body||Not weather sealed|
|Battery Life (CIPA)||1800 shots per charge||440 shots per charge|
150 x 160 x 80 mm
(5.9 x 6.3 x 3.1 in)
133 x 100 x 79 mm
(5.2 x 3.9 x 3.1 in)
|Camera Weight||1385 g (48.9 oz)||575 g (20.3 oz)|
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