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Canon M100 vs Pentax 645D

The Canon EOS M100 and the Pentax 645D are two digital cameras that were announced, respectively, in August 2017 and March 2010. The M100 is a mirrorless interchangeable lens camera, while the 645D is a DSLR. The cameras are based on an APS-C (M100) and a medium format (645D) sensor. The Canon has a resolution of 24 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 M100 versus Pentax 645D
Canon M100 Pentax 645D
Mirrorless system camera Digital single lens reflex
Canon EF-M mount lenses Pentax 645 mount lenses
24 MP, APS-C Sensor 39.5 MP, Medium Format Sensor
1080/60p Video no Video
ISO 100-25,600 ISO 100-1,600
No viewfinder, LCD framing Optical viewfinder
3.0 LCD, 1040k dots 3.0 LCD, 921k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
6.1 shutter flaps per second 1.1 shutter flaps per second
not weather sealedWeathersealed body
295 shots per battery charge800 shots per battery charge
108 x 67 x 35 mm, 302 g 156 x 117 x 119 mm, 1480 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS M100 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.

Body comparison

An illustration of the physical size and weight of the Canon M100 and the Pentax 645D is provided 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 width, height and depth dimensions are rounded to the nearest millimeter.

The M100 can be obtained in two different colors (black, white), while the 645D is only available in black.

Size Canon M100 vs Pentax 645D
Compare M100 versus 645D top
Comparison M100 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 (152 percent) than the Canon M100. Moreover, the 645D is substantially heavier (390 percent) than the M100. It is noteworthy in this context that the 645D is splash and dust-proof, while the M100 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 M100 gets 295 shots out of its LP-E12 battery, while the 645D can take 800 images on a single charge of its D-LI90 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon M100 4.3 in 2.6 in 1.4 in 10.7 oz 295 n Aug 2017 499i
 
Pentax 645D 6.1 in 4.6 in 4.7 in 52.2 oz 800 Y Mar 2010 9,995i
 
Canon M200 4.3 in 2.6 in 1.4 in 10.5 oz 315 n Sep 2019 549 i
 
Canon M50 4.6 in 3.5 in 2.3 in 13.8 oz 235 n Feb 2018 779i
 
Canon T7 5.1 in 4.0 in 3.1 in 16.8 oz 500 n Feb 2018 449 i
 
Canon G9 X Mark II 3.9 in 2.3 in 1.2 in 7.3 oz 235 n Jan 2017 529 i
 
Canon M6 4.4 in 2.7 in 1.8 in 13.8 oz 295 n Feb 2017 779i
 
Canon SL2 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549i
 
Canon M5 4.6 in 3.5 in 2.4 in 15.1 oz 295 n Sep 2016 979 i
 
Canon M3 4.4 in 2.7 in 1.7 in 12.9 oz 250 n Feb 2015 679i
 
Canon M10 4.3 in 2.6 in 1.4 in 10.6 oz 255 n Oct 2015 499i
 
Canon M 4.3 in 2.6 in 1.3 in 10.5 oz 230 n Jul 2012 599i
 
Canon 1D X 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799i
 
Canon 1D Mark IV 6.1 in 6.2 in 3.1 in 43.4 oz 1500 Y Oct 2009 4,999i
 
Leica S Typ 006 6.3 in 4.7 in 3.1 in 44.4 oz .. Y Sep 2012 21,950i
 
Nikon D3S 6.3 in 6.2 in 3.5 in 43.7 oz 4200 Y Oct 2009 5,199i
 
Pentax 645Z 6.1 in 4.6 in 4.8 in 54.7 oz 650 Y Apr 2014 8,499 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

Any camera decision will naturally be influenced heavily by the price. 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 M100 was launched at a markedly lower price (by 95 percent) than the 645D, 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.

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Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon M100 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 M100 has a native 3:2 aspect ratio, while the one in the 645D offers a 4:3 aspect.

Canon M100 and Pentax 645D sensor measures

With 39.5MP, the 645D offers a higher resolution than the M100 (24MP), but the 645D nevertheless has larger individual pixels (pixel pitch of 6.06μm versus 3.72μm for the M100) due to its larger sensor. However, the M100 is a much more recent model (by 7 years and 5 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 M100 are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The M100 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS M100 has a native sensitivity range from ISO 100 to ISO 25600. The corresponding ISO settings for the Pentax 645D are ISO 100 to ISO 1600 (no boost).

M100 versus 645D MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the 645D has a markedly higher DXO score than the M100 (overall score 4 points higher), which will translate into better image quality. The advantage is based on 1.1 bits higher color depth, 0.3 EV of lower dynamic range, and 0 stops of reduced low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
 
Canon M200 APS-C 24.0 6000 40004k/25p........
 
Canon M50 APS-C 24.0 6000 40004K/24p........
 
Canon T7 APS-C 24.0 6000 40001080/30p........
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
 
Canon M6 APS-C 24.0 6000 40001080/60p........
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
 
Canon M5 APS-C 24.0 6000 40001080/60p23.412.4126277
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
 
Canon M10 APS-C 17.9 5184 34561080/30p22.211.475365
 
Canon M APS-C 17.9 5184 34561080/30p22.111.282765
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101

Many modern cameras are not only capable of taking still images, but can also record movies. The M100 indeed provides movie recording capabilities, while the 645D does not. The highest resolution format that the M100 can use is 1080/60p.

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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 M100 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Canon M100 and Pentax 645D along with similar information for a selection of comparators.

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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
 
Canon M100none n 3.0 1040 tilting Y 1/4000s 6.1 Y n
 
Pentax 645Doptical Y 3.0 921 fixed n 1/4000s 1.1 n n
 
Canon M200none n 3.0 1040 tilting Y 1/4000s 6.1 Y n
 
Canon M502360 n 3.0 1040 swivel Y 1/4000s 10.0 Y n
 
Canon T7optical n 3.0 920 fixed n 1/4000s 3.0 Y n
 
Canon G9 X Mark IInone n 3.0 1040 fixed Y 1/2000s 8.2 Y Y
 
Canon M6optional n 3.0 1040 tilting Y 1/4000s 9.0 Y n
 
Canon SL2optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon M52360 n 3.2 1620 tilting Y 1/4000s 9.0 Y n
 
Canon M3optional n 3.0 1040 tilting Y 1/4000s 4.2 Y n
 
Canon M10none n 3.0 1040 tilting Y 1/4000s 4.6 Y n
 
Canon Mnone n 3.0 1040 fixed Y 1/4000s 4.3 n n
 
Canon 1D Xoptical Y 3.2 1040 fixed n 1/8000s 14.0 n n
 
Canon 1D Mark IVoptical Y 3.0 920 fixed n 1/8000s 10.0 n n
 
Leica S Typ 006optical Y 3.0 922 fixed n 1/4000s 1.5 n n
 
Nikon D3Soptical Y 3.0 921 fixed n 1/8000s 11.0 n n
 
Pentax 645Zoptical Y 3.2 1037 tilting n 1/4000s 3.0 n n

One difference between the cameras concerns the presence of an on-board flash. The M100 has one, while the 645D does not. While the built-in flash of the M100 is not very powerful, it can at times be useful as a fill-in light.

The M100 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 M100 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 M100 only has one slot. The M100 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 M100 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
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Canon M100-stereomono--micro2.0YYY
 
Pentax 645DYstereo----2.0---
 
Canon M200-stereomono--micro2.0Y-Y
 
Canon M50YstereomonoY-micro2.0Y-Y
 
Canon T7Ymonomono--mini2.0YY-
 
Canon G9 X Mark II-stereomono--micro2.0YYY
 
Canon M6YstereomonoY-mini2.0YYY
 
Canon SL2YstereomonoY-mini2.0YYY
 
Canon M5YstereomonoY-mini2.0YYY
 
Canon M3YstereomonoY-mini2.0YY-
 
Canon M10-stereomono--mini2.0YY-
 
Canon MYstereomonoY-mini2.0---
 
Canon 1D XYmono-Y-mini2.0---
 
Canon 1D Mark IVYstereo-Y-mini2.0---
 
Leica S Typ 006Y----mini2.0---
 
Nikon D3SYstereo---mini2.0---
 
Pentax 645ZYstereomonoY-mini3.0---

It is notable that the M100 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 M100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the M100 and the 645D have been discontinued, but can regularly be found used on eBay. The 645D was replaced by the Pentax 645Z, while the M100 was followed by the Canon M200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Pentax websites.

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Review summary

So how do things add up? Is there a clear favorite between the Canon M100 and the Pentax 645D? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon EOS M100:

  • 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 1080/60p 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 tilting screen for odd-angle shots in 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 (6.1 vs 1.1 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (108x67mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 1178g or 80 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (95 percent cheaper at launch).
  • More modern: Reflects 7 years and 5 months of technical progress since the 645D launch.

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Advantages of the Pentax 645D:

  • More detail: Has more megapixels (39.5 vs 24MP), which boosts linear resolution by 26%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores markedly higher (4 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.1 bits more color depth).
  • 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.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • 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 M100 is the clear winner of the match-up (18 : 13 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.

M100 18:13 645D

How about other alternatives? Do the specifications of the Canon M100 and the Pentax 645D place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings 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 remains incomplete and does no justice, for example, to the way the M100 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 where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon M100+..4/5..3.5/5 Aug 2017 499i
 
Pentax 645D......4.5/5.. Mar 2010 9,995i
 
Canon M200+79/1004/5..4/5 Sep 2019 549 i
 
Canon M50+79/100..4/53.5/5 Feb 2018 779i
 
Canon T7o..3.5/5..3.5/5 Feb 2018 449 i
 
Canon G9 X Mark II..75/1004.5/54.5/54.5/5 Jan 2017 529 i
 
Canon M6..80/1004/54.5/54/5 Feb 2017 779i
 
Canon SL2+ +78/1004.5/54.5/54.5/5 Jun 2017 549i
 
Canon M5+82/1004/54.5/54/5 Sep 2016 979 i
 
Canon M3o75/1004.5/54.5/54/5 Feb 2015 679i
 
Canon M10......o4/5 Oct 2015 499i
 
Canon M+..4/53.5/54/5 Jul 2012 599i
 
Canon 1D X....4.5/54.5/54.5/5 Oct 2011 6,799i
 
Canon 1D Mark IV..89/100..5/5.. Oct 2009 4,999i
 
Leica S Typ 006.......... Sep 2012 21,950i
 
Nikon D3S..89/1004.5/55/55/5 Oct 2009 5,199i
 
Pentax 645Z....4.5/55/55/5 Apr 2014 8,499 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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 comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon M100:
Check Ebay offers
Pentax 645D:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu 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 M100 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 M100 Pentax 645D
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Canon EF-M mount lenses Pentax 645 mount lenses
    Launch Date August 2017 March 2010
    Launch Price USD 499 USD 9,995
    Sensor Specs Canon M100 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 24 Megapixels 39.5 Megapixels
    Image Resolution 6000 x 4000 pixels 7264 x 5440 pixels
    Pixel Pitch 3.72 μm 6.06 μm
    Pixel Density 7.22 MP/cm2 2.72 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/60p Video no Video
    ISO Setting 100 - 25,600 ISO 100 - 1,600 ISO
    Image Processor DIGIC 7 PRIME II
    DXO Sensor Quality (score) 78 82
    DXO Color Depth (bits) 23.5 24.6
    DXO Dynamic Range (EV) 12.9 12.6
    DXO Low Light (ISO) 1272 1262
    Screen Specs Canon M100 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 1040k dots 921k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon M100 Pentax 645D
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 6.1 shutter flaps/s 1.1 shutter flaps/s
    Shutter Life Expectancy100 000 actuations50 000 actuations
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I no
    Connectivity Specs Canon M100 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
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon M100 Pentax 645D
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type LP-E12 D-LI90
    Battery Life (CIPA)295 shots per charge800 shots per charge
    Body Dimensions 108 x 67 x 35 mm
    (4.3 x 2.6 x 1.4 in)
    156 x 117 x 119 mm
    (6.1 x 4.6 x 4.7 in)
    Camera Weight 302 g (10.7 oz) 1480 g (52.2 oz)

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