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Canon 650D vs Pentax 645D

The Canon EOS 650D (called Canon T4i in some regions) and the Pentax 645D are two digital cameras that were officially introduced, respectively, in June 2012 and March 2010. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (650D) and a medium format (645D) sensor. The Canon has a resolution of 17.9 megapixels, whereas the Pentax provides 39.5 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon 650D
versus
Pentax 645D
Canon 650D   Pentax 645D
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Pentax 645 mount lenses
17.9 MP – APS-C sensor 39.5 MP – Medium Format sensor
1080/30p Video no Video
ISO 100-12,800 (100 - 25,600) ISO 100-1,600
Optical viewfinder Optical viewfinder
3.0" LCD – 1040k dots 3.0" LCD – 921k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
5 shutter flaps per second 1.1 shutter flaps per second
not weather sealedWeathersealed body
440 shots per battery charge800 shots per battery charge
133 x 100 x 79 mm, 575 g 156 x 117 x 119 mm, 1480 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 650D and the Pentax 645D? 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 physical size and weight of the Canon 650D and the Pentax 645D 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 650D vs Pentax 645D
Compare 650D versus 645D top
Comparison 650D or 645D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645D is notably larger (37 percent) than the Canon 650D. Moreover, the 645D is substantially heavier (157 percent) than the 650D. It is noteworthy in this context that the 645D is splash and dust-proof, 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the 650D gets 440 shots out of its Canon LP-E8 battery, while the 645D can take 800 images on a single charge of its Pentax D-LI90 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 650D 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 US$ 849ebay.com
2.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 US$ 9 995ebay.com
3.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 US$ 4 999ebay.com
4.
 
Canon 1D X 158 mm 168 mm 83 mm 1551 g 1120 Y Oct 2011 US$ 6 799ebay.com
5.
 
Canon 100D 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 US$ 549ebay.com
6.
 
Canon 500D 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 US$ 799ebay.com
7.
 
Canon 550D 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 US$ 699ebay.com
8.
 
Canon 600D 133 mm 100 mm 80 mm 570 g 440 n Feb 2011 US$ 599ebay.com
9.
 
Canon 700D 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 US$ 649ebay.com
10.
 
Canon 750D 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 US$ 749ebay.com
11.
 
Canon 760D 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 US$ 649ebay.com
12.
 
Canon 1100D 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 US$ 449ebay.com
13.
 
Canon 1200D 130 mm 100 mm 78 mm 480 g 500 n Feb 2014 US$ 449ebay.com
14.
 
Canon G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 US$ 799ebay.com
15.
 
Leica S Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2012 US$ 21 949ebay.com
16.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 US$ 5 199ebay.com
17.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 US$ 8 499ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 650D was launched at a markedly lower price (by 92 percent) than the 645D, 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 size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 650D features an APS-C sensor and the Pentax 645D a medium format sensor. The sensor area in the 645D is 337 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 0.79. The sensor in the 650D has a native 3:2 aspect ratio, while the one in the 645D offers a 4:3 aspect.

Canon 650D and Pentax 645D sensor measures

With 39.5MP, the 645D offers a higher resolution than the 650D (17.9MP), but the 645D nevertheless has larger individual pixels (pixel pitch of 6.06μm versus 4.31μm for the 650D) due to its larger sensor. However, the 650D is a much more recent model (by 2 years and 2 months) than the 645D, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the 645D has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax 645D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645D for good quality output (200 dots per inch) amounts to 36.3 x 27.2 inches or 92.3 x 69.1 cm, for very good quality (250 dpi) 29.1 x 21.8 inches or 73.8 x 55.3 cm, and for excellent quality (300 dpi) 24.2 x 18.1 inches or 61.5 x 46.1 cm. The corresponding values for the Canon 650D are 25.9 x 17.3 inches or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inches or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inches 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 650D has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 100-25600. The corresponding ISO settings for the Pentax 645D are ISO 100 to ISO 1600 (no boost).

In terms of underlying technology, the 650D is build around a CMOS sensor, while the 645D uses a CCD imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

650D versus 645D MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 consideration, the 645D offers substantially better image quality than the 650D (overall score 20 points higher). The advantage is based on 2.9 bits higher color depth, 1.4 EV in additional dynamic range, and 0.8 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.272262
2.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
3.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
4.
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
5.
 
Canon 100D APS-C 17.9 5184 34561080/30p21.811.384363
6.
 
Canon 500D APS-C 15.1 4752 31681080/20p21.711.566363
7.
 
Canon 550D APS-C 17.9 5184 34561080/30p22.111.578466
8.
 
Canon 600D APS-C 17.9 5184 34561080/30p22.111.579365
9.
 
Canon 700D APS-C 17.9 5184 34561080/30p21.711.268161
10.
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
11.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.091570
12.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.075562
13.
 
Canon 1200D APS-C 17.9 5184 34561080/30p21.911.372463
14.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
15.
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
16.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
17.
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101

Many modern cameras cannot only take still pictures, but also record videos. The 650D indeed provides movie recording capabilities, while the 645D does not. The highest resolution format that the 650D can use is 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 650D and the 645D 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 645D offers a wider field of view (98%) 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 645D has a higher magnification (0.78x vs 0.53x), 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 650D and Pentax 645D in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 650Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
2.
 
Pentax 645Doptical Y3.0 / 921 fixed n 1/4000s 1.1/s n n
3.
 
Canon 1D Mark IVoptical Y3.0 / 920 fixed n 1/8000s 10.0/s n n
4.
 
Canon 1D Xoptical Y3.2 / 1040 fixed n 1/8000s 14.0/s n n
5.
 
Canon 100Doptical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
6.
 
Canon 500Doptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
7.
 
Canon 550Doptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
8.
 
Canon 600Doptical n3.0 / 1040 swivel n 1/4000s 3.7/s Y n
9.
 
Canon 700Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
10.
 
Canon 750Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
11.
 
Canon 760Doptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
12.
 
Canon 1100Doptical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
13.
 
Canon 1200Doptical n3.0 / 460 fixed n 1/4000s 3.0/s Y n
14.
 
Canon G1 Xoptical n3.0 / 922 swivel n 1/4000s 1.9/s Y Y
15.
 
Leica S Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
16.
 
Nikon D3Soptical Y3.0 / 921 fixed n 1/8000s 11.0/s n n
17.
 
Pentax 645Zoptical Y3.2 / 1037 tilting n 1/4000s 3.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The 650D has one, while the 645D does not. While the built-in flash of the 650D is not very powerful, it can at times be useful as a fill-in light.

The 650D has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the 645D does not have a selfie-screen.

The Pentax 645D 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.

Concerning the storage of imaging data, both the 650D and the 645D write their files to SDXC cards. The 645D 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 645D 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 650D and Pentax 645D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 650DYstereo / monoY-mini2.0---
2.
 
Pentax 645DYstereo / ----2.0---
3.
 
Canon 1D Mark IVYstereo / -Y-mini2.0---
4.
 
Canon 1D XYmono / -Y-mini2.0---
5.
 
Canon 100DYmono / monoY-mini2.0---
6.
 
Canon 500DYmono / mono--mini2.0---
7.
 
Canon 550DYstereo / -Y-mini2.0---
8.
 
Canon 600DYmono / monoY-mini2.0---
9.
 
Canon 700DYstereo / monoY-mini2.0---
10.
 
Canon 750DYstereo / monoY-mini2.0YY-
11.
 
Canon 760DYstereo / monoY-mini2.0YY-
12.
 
Canon 1100DYstereo / mono--mini2.0---
13.
 
Canon 1200DYmono / mono--mini2.0---
14.
 
Canon G1 XYstereo / mono--mini2.0---
15.
 
Leica S Typ 006Y- / ---mini2.0---
16.
 
Nikon D3SYstereo / ---mini2.0---
17.
 
Pentax 645ZYstereo / monoY-mini3.0---

Studio photographers will appreciate that the Pentax 645D (unlike the 650D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 650D and the 645D have been discontinued, but can regularly be found used on ebay. The 645D was replaced by the Pentax 645Z, while the 650D was followed by the Canon 700D. Further information on the features and operation of the 650D and 645D can be found, respectively, in the Canon 650D Manual (free pdf) or the online Pentax 645D Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Canon 650D and the Pentax 645D? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon EOS 650D:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (5 vs 1.1 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (133x100mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 905g or 61 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (92 percent cheaper at launch).
  • More modern: Reflects 2 years and 2 months of technical progress since the 645D launch.

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Reasons to prefer the Pentax 645D:

  • More detail: Has more megapixels (39.5 vs 17.9MP), which boosts linear resolution by 46%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (20 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.9 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.8 stops ISO advantage).
  • More complete view: Has a viewfinder with a larger field of view (98% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.53x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (800 versus 440) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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 around for much longer (launched in March 2010).

If the number of relative strengths (bullet points above) is taken as a guide, the 645D comes out slightly ahead of the 650D (15 : 14 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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.

650D 14:15 645D

How about other alternatives? Do the specifications of the Canon 650D and the Pentax 645D 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 650D or the 645D. 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 650D4/5+ +..77/1004.5/54.5/5 Jun 2012 US$ 849ebay.com
2.
 
Pentax 645D5/5.......... Mar 2010 US$ 9 995ebay.com
3.
 
Canon 1D Mark IV5/5....89/100.... Oct 2009 US$ 4 999ebay.com
4.
 
Canon 1D X5/5......4.5/54.5/5 Oct 2011 US$ 6 799ebay.com
5.
 
Canon 100D4/5+..78/1004/54/5 Mar 2013 US$ 549ebay.com
6.
 
Canon 500D..+ +..74/1004.5/54.5/5 Mar 2009 US$ 799ebay.com
7.
 
Canon 550D..+ +..77/1004/54.5/5 Feb 2010 US$ 699ebay.com
8.
 
Canon 600D3/5o..77/1004.5/54.5/5 Feb 2011 US$ 599ebay.com
9.
 
Canon 700D......76/1004.5/54.5/5 Mar 2013 US$ 649ebay.com
10.
 
Canon 750D5/5....75/1004.5/54.5/5 Feb 2015 US$ 749ebay.com
11.
 
Canon 760D5/5+..77/1004.5/54.5/5 Feb 2015 US$ 649ebay.com
12.
 
Canon 1100D..80/100..69/1004/54.5/5 Feb 2011 US$ 449ebay.com
13.
 
Canon 1200D3/5+....4/54.5/5 Feb 2014 US$ 449ebay.com
14.
 
Canon G1 X5/5+..76/1004/54.5/5 Jan 2012 US$ 799ebay.com
15.
 
Leica S Typ 006............ Sep 2012 US$ 21 949ebay.com
16.
 
Nikon D3S5/5....89/1004.5/55/5 Oct 2009 US$ 5 199ebay.com
17.
 
Pentax 645Z5/5..3.5/5..4.5/55/5 Apr 2014 US$ 8 499ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon 650D vs Pentax 645D

    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 650D Pentax 645D
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Pentax 645 mount lenses
    Launch Date June 2012 March 2010
    Launch Price USD 849 USD 9,995
    Sensor Specs Canon 650D Pentax 645D
    Sensor Technology CMOS CCD
    Sensor Format APS-C Sensor Medium Format Sensor
    Sensor Size 22.3 x 14.9 mm 44.0 x 33.0 mm
    Sensor Area 332.27 mm2 1452 mm2
    Sensor Diagonal 26.8 mm 55 mm
    Crop Factor 1.6x 0.79x
    Sensor Resolution 17.9 Megapixels 39.5 Megapixels
    Image Resolution 5184 x 3456 pixels 7264 x 5440 pixels
    Pixel Pitch 4.31 μm 6.06 μm
    Pixel Density 5.39 MP/cm2 2.72 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 100 - 12,800 ISO 100 - 1,600 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    Image Processor DIGIC 5 PRIME II
    DXO Sensor Quality (score) 62 82
    DXO Color Depth (bits) 21.7 24.6
    DXO Dynamic Range (EV) 11.2 12.6
    DXO Low Light (ISO) 722 1262
    Screen Specs Canon 650D Pentax 645D
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 98%
    Viewfinder Magnification 0.53x 0.78x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 921k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon 650D Pentax 645D
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 5 shutter flaps/s 1.1 shutter flaps/s
    Shutter Life Expectancy100 000 actuations50 000 actuations
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I no
    Connectivity Specs Canon 650D Pentax 645D
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi no Wifi
    Body Specs Canon 650D Pentax 645D
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon LP-E8 Pentax D-LI90
    Battery Life (CIPA)440 shots per charge800 shots per charge
    Body Dimensions 133 x 100 x 79 mm
    (5.2 x 3.9 x 3.1 in)
    156 x 117 x 119 mm
    (6.1 x 4.6 x 4.7 in)
    Camera Weight 575 g (20.3 oz) 1480 g (52.2 oz)
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