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Canon SX620 vs Pentax 645D

The Canon PowerShot SX620 HS and the Pentax 645D are two digital cameras that were announced, respectively, in May 2016 and March 2010. The SX620 is a fixed lens compact, while the 645D is a DSLR. The cameras are based on a 1/2.3-inch (SX620) and a medium format (645D) sensor. The Canon has a resolution of 20.2 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 SX620
versus
Pentax 645D
Canon SX620   Pentax 645D
Fixed lens compact camera Digital single lens reflex
25-625mm f/3.2-6.6 Pentax 645 mount lenses
20.2 MP – 1/2.3" sensor 39.5 MP – Medium Format sensor
1080/30p Video no Video
ISO 80-3,200 ISO 100-1,600
No viewfinder, LCD framing Optical viewfinder
3.0" LCD – 922k dots 3.0" LCD – 921k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
2.5 shutter flaps per second 1.1 shutter flaps per second
not weather sealedWeathersealed body
295 shots per battery charge800 shots per battery charge
97 x 57 x 28 mm, 182 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 PowerShot SX620 HS 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

An illustration of the physical size and weight of the Canon SX620 and the Pentax 645D is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

The SX620 can be obtained in three different colors (black, silver, red), while the 645D is only available in black.

Size Canon SX620 vs Pentax 645D
Compare SX620 versus 645D top
Comparison SX620 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 considerably larger (230 percent) than the Canon SX620. It is noteworthy in this context that the 645D is splash and dust-proof, while the SX620 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the SX620 has a lens built in, whereas the 645D is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the SX620 gets 295 shots out of its Canon NB-13L battery, while the 645D can take 800 images on a single charge of its Pentax D-LI90 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 SX620 97 mm 57 mm 28 mm 182 g 295 n May 2016 US$ 279ebay.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 G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 US$ 529ebay.com
6.
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 US$ 529ebay.com
7.
 
Canon SX410 104 mm 69 mm 85 mm 325 g 185 n Feb 2015 US$ 279ebay.com
8.
 
Canon SX420 104 mm 69 mm 85 mm 325 g 195 n Jan 2016 US$ 299ebay.com
9.
 
Canon SX430 104 mm 69 mm 85 mm 323 g 195 n Jan 2017 US$ 299ebay.com
10.
 
Canon SX540 120 mm 82 mm 92 mm 442 g 205 n Jan 2016 US$ 399ebay.com
11.
 
Canon SX610 105 mm 61 mm 27 mm 191 g 270 n Jan 2015 US$ 249ebay.com
12.
 
Canon SX710 113 mm 66 mm 35 mm 269 g 230 n Jan 2015 US$ 349ebay.com
13.
 
Canon SX720 110 mm 64 mm 36 mm 270 g 250 n Feb 2016 US$ 379ebay.com
14.
 
Canon SX730 110 mm 64 mm 40 mm 300 g 250 n Apr 2017 US$ 399ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The SX620 was launched at a lower price than the 645D, despite having a lens built in. 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. 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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon SX620 features a 1/2.3-inch sensor and the Pentax 645D a medium format sensor. The sensor area in the 645D is 5086 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 0.79. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Canon SX620 and Pentax 645D sensor measures

With 39.5MP, the 645D offers a higher resolution than the SX620 (20.2MP), but the 645D nevertheless has larger individual pixels (pixel pitch of 6.06μm versus 1.18μm for the SX620) due to its larger sensor. However, the SX620 is a much more recent model (by 6 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the 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 SX620 are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

The Canon PowerShot SX620 HS has a native sensitivity range from ISO 80 to ISO 3200. The corresponding ISO settings for the Pentax 645D are ISO 100 to ISO 1600 (no boost).

In terms of underlying technology, the SX620 is build around a BSI-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.

SX620 versus 645D MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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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 SX620 1/2.3 20.2 5184 38881080/30p20.411.883849
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 G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
6.
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
7.
 
Canon SX410 1/2.3 19.9 5152 3864720/30p20.211.672047
8.
 
Canon SX420 1/2.3 19.9 5152 3864720/25p20.311.780648
9.
 
Canon SX430 1/2.3 19.9 5152 3864720/25p20.511.990049
10.
 
Canon SX540 1/2.3 20.2 5184 38881080/60p20.311.780648
11.
 
Canon SX610 1/2.3 20.2 5184 38881080/30p20.211.671247
12.
 
Canon SX710 1/2.3 20.2 5184 38881080/60p20.211.671247
13.
 
Canon SX720 1/2.3 20.2 5184 38881080/60p20.311.881748
14.
 
Canon SX730 1/2.3 20.2 5184 38881080/60p20.511.992450
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
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The SX620 indeed provides movie recording capabilities, while the 645D does not. The highest resolution format that the SX620 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. For example, the 645D has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the SX620 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Canon SX620, the Pentax 645D, and comparable 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 SX620none n3.0 / 922 fixed n 1/2000s 2.5/s Y Y
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 G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
6.
 
Canon G9 X Mark IInone n3.0 / 1040 fixed Y 1/2000s 8.2/s Y Y
7.
 
Canon SX410none n3.0 / 230 fixed n 1/4000s 0.5/s Y Y
8.
 
Canon SX420none n3.0 / 230 fixed n 1/4000s 0.5/s Y Y
9.
 
Canon SX430none n3.0 / 230 fixed n 1/4000s 0.5/s Y Y
10.
 
Canon SX540none n3.0 / 461 fixed n 1/2000s 5.9/s Y Y
11.
 
Canon SX610none n3.0 / 922 fixed n 1/2000s 2.5/s Y Y
12.
 
Canon SX710none n3.0 / 922 fixed n 1/3200s 6.0/s Y Y
13.
 
Canon SX720none n3.0 / 922 fixed n 1/3200s 5.9/s Y Y
14.
 
Canon SX730none n3.0 / 922 tilting n 1/3200s 5.9/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 SX620 has one, while the 645D does not. While the built-in flash of the SX620 is not very powerful, it can at times be useful as a fill-in light.

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 SX620 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 SX620 only has one slot.

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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 PowerShot SX620 HS 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 SX620-mono / mono--micro2.0YY-
2.
 
Pentax 645DYstereo / ----2.0---
3.
 
Canon 1D Mark IVYstereo / -Y-mini2.0---
4.
 
Canon 1D XYmono / -Y-mini2.0---
5.
 
Canon G9 X-stereo / mono--micro2.0YY-
6.
 
Canon G9 X Mark II-stereo / mono--micro2.0YYY
7.
 
Canon SX410-stereo / mono---2.0---
8.
 
Canon SX420-mono / mono---2.0YY-
9.
 
Canon SX430-mono / mono---2.0YY-
10.
 
Canon SX540-stereo / mono--mini2.0YY-
11.
 
Canon SX610-- / ---micro2.0YY-
12.
 
Canon SX710-stereo / mono--micro2.0YY-
13.
 
Canon SX720-stereo / mono--micro2.0YY-
14.
 
Canon SX730-stereo / mono--micro2.0YYY
15.
 
Leica S Typ 006Y- / ---mini2.0---
16.
 
Nikon D3SYstereo / ---mini2.0---
17.
 
Pentax 645ZYstereo / monoY-mini3.0---

It is notable that the SX620 offers wifi support, while the 645D does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Pentax 645D (unlike the SX620) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the SX620 and the 645D have been discontinued, but can regularly be found used on ebay. The 645D was replaced by the Pentax 645Z, while the SX620 does not have a direct successor. Further information on the features and operation of the SX620 and 645D can be found, respectively, in the Canon SX620 Manual (free pdf) or the online Pentax 645D Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon SX620 and the Pentax 645D? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Canon PowerShot SX620 HS:

  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • Faster burst: Shoots at higher frequency (2.5 vs 1.1 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Comes with a built-in lens, while the 645D requires a separate lens.
  • More compact: Is smaller (97x57mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the 645D).
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 6 years and 2 months of technical progress since the 645D launch.

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Arguments in favor of the Pentax 645D:

  • More detail: Has more megapixels (39.5 vs 20.2MP), which boosts linear resolution by 40%.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (800 versus 295) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • 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 is the clear winner of the contest (16 : 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.

SX620 11:16 645D

How about other alternatives? Do the specifications of the Canon SX620 and the Pentax 645D place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings 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 incomplete and does no justice, for example, to the way the SX620 or the 645D perform in practice. 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 adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon SX620..........4/5 May 2016 US$ 279ebay.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 G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 US$ 529ebay.com
6.
 
Canon G9 X Mark II4/5..4/575/1004.5/54.5/5 Jan 2017 US$ 529ebay.com
7.
 
Canon SX410..o........ Feb 2015 US$ 279ebay.com
8.
 
Canon SX420..........3/5 Jan 2016 US$ 299ebay.com
9.
 
Canon SX430........3.5/53.5/5 Jan 2017 US$ 299ebay.com
10.
 
Canon SX540............ Jan 2016 US$ 399ebay.com
11.
 
Canon SX610........4/54/5 Jan 2015 US$ 249ebay.com
12.
 
Canon SX710..+....4/53.5/5 Jan 2015 US$ 349ebay.com
13.
 
Canon SX720..+....4/54.5/5 Feb 2016 US$ 379ebay.com
14.
 
Canon SX730..+....4/54/5 Apr 2017 US$ 399ebay.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 are only valid when referring to cameras in the same category and of the same age. 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.

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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 your choice using the following search menu. 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 SX620 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 SX620 Pentax 645D
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 25-625mm f/3.2-6.6 Pentax 645 mount lenses
    Launch Date May 2016 March 2010
    Launch Price USD 279 USD 9,995
    Sensor Specs Canon SX620 Pentax 645D
    Sensor Technology BSI-CMOS CCD
    Sensor Format 1/2.3" Sensor Medium Format Sensor
    Sensor Size 6.17 x 4.55 mm 44.0 x 33.0 mm
    Sensor Area 28.0735 mm2 1452 mm2
    Sensor Diagonal 7.7 mm 55 mm
    Crop Factor 5.6x 0.79x
    Sensor Resolution 20.2 Megapixels 39.5 Megapixels
    Image Resolution 5184 x 3888 pixels 7264 x 5440 pixels
    Pixel Pitch 1.18 μm 6.06 μm
    Pixel Density 71.80 MP/cm2 2.72 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 80 - 3,200 ISO 100 - 1,600 ISO
    Image Processor DIGIC 4+ PRIME II
    DXO Sensor Quality (score) .. 82
    DXO Color Depth (bits) .. 24.6
    DXO Dynamic Range (EV) .. 12.6
    DXO Low Light (ISO) .. 1262
    Screen Specs Canon SX620 Pentax 645D
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.78x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 922k dots 921k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon SX620 Pentax 645D
    Focus System Contrast-detect AF Phase-detect AF
    Continuous Shooting 2.5 shutter flaps/s 1.1 shutter flaps/s
    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 no no
    Connectivity Specs Canon SX620 Pentax 645D
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI no HDMI
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Canon SX620 Pentax 645D
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-13L Pentax D-LI90
    Battery Life (CIPA)295 shots per charge800 shots per charge
    Body Dimensions 97 x 57 x 28 mm
    (3.8 x 2.2 x 1.1 in)
    156 x 117 x 119 mm
    (6.1 x 4.6 x 4.7 in)
    Camera Weight 182 g (6.4 oz) 1480 g (52.2 oz)
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