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Canon 10D vs Pentax 645D

The Canon EOS 10D and the Pentax 645D are two digital cameras that were officially introduced, respectively, in February 2003 and March 2010. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (10D) and a medium format (645D) sensor. The Canon has a resolution of 6.3 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 10D   VS Pentax 645D
Canon 10D Pentax 645D
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Pentax 645 mount lenses
6.3 MP, APS-C Sensor 39.5 MP, Medium Format Sensor
no Video no Video
ISO 100-3200 ISO 100-1600
Optical viewfinder Optical viewfinder
1.8" LCD, 118k dots 3.0" LCD, 921k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3 shutter flaps per second 1.1 shutter flaps per second
Not weather sealedWeathersealed body
500 shots per battery charge800 shots per battery charge
150 x 107 x 75 mm, 850 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 10D 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 10D 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 perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Canon 10D vs Pentax 645D
Compare 10D versus 645D top
Comparison 10D 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 (14 percent) than the Canon 10D. Moreover, the 645D is substantially heavier (74 percent) than the 10D. It is noteworthy in this context that the 645D is splash and dust-proof, while the 10D 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 10D gets 500 shots out of its BP-511 battery, while the 645D can take 800 images on a single charge of its 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, 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.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Canon 10D» 5.9 in 4.2 in 3.0 in 30.0 oz 500 n Feb 2003 1,999iCanon 10D
 
Pentax 645D« 6.1 in 4.6 in 4.7 in 52.2 oz 800 Y Mar 2010 9,995iPentax 645D
 
Canon T5« » 5.1 in 3.9 in 3.1 in 16.9 oz 500 n Feb 2014 449iCanon T5
 
Canon SL1« » 4.6 in 3.6 in 2.7 in 14.4 oz 380 n Mar 2013 549iCanon SL1
 
Canon T4i« » 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849iCanon T4i
 
Canon 1D X« » 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799iCanon 1D X
 
Canon 1D Mark IV« » 6.1 in 6.2 in 3.1 in 43.4 oz 1500 Y Oct 2009 4,999iCanon 1D Mark IV
 
Canon 7D« » 5.8 in 4.4 in 2.9 in 30.3 oz 800 Y Sep 2009 1,699iCanon 7D
 
Canon 40D« » 5.7 in 4.3 in 2.9 in 29.0 oz 750 n Aug 2007 1,299iCanon 40D
 
Canon 30D« » 5.7 in 4.2 in 2.9 in 27.7 oz 750 n Feb 2006 1,399iCanon 30D
 
Canon 20D« » 5.7 in 4.2 in 2.8 in 27.2 oz 700 n Aug 2004 1,499iCanon 20D
 
Canon Rebel« » 5.6 in 3.9 in 2.8 in 22.9 oz 400 n Aug 2003 899iCanon Rebel
 
Canon D60« » 5.9 in 4.2 in 3.0 in 30.2 oz 620 n Feb 2002 2,999iCanon D60
 
Leica S Typ 006« » 6.3 in 4.7 in 3.1 in 44.4 oz .. Y Sep 2012 21,950iLeica S Typ 006
 
Nikon D3S« » 6.3 in 6.2 in 3.5 in 43.7 oz 4200 Y Oct 2009 5,199iNikon D3S
 
Nikon D100« » 5.7 in 4.6 in 3.2 in 27.5 oz 370 n Feb 2002 1,999iNikon D100
 
Pentax 645Z« » 6.1 in 4.6 in 4.8 in 54.7 oz 650 Y Apr 2014 8,499 iPentax 645Z
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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 10D was launched at a markedly lower price (by 80 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. 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 imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better 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 10D features an APS-C sensor and the Pentax 645D a medium format sensor. The sensor area in the 645D is 323 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 10D has a native 3:2 aspect ratio, while the one in the 645D offers a 4:3 aspect.

Canon 10D and Pentax 645D sensor measures

With 39.5MP, the 645D offers a higher resolution than the 10D (6.3MP), but the 645D has smaller individual pixels (pixel pitch of 6.06μm versus 7.38μm for the 10D). Yet, the 645D is a much more recent model (by 7 years) than the 10D, 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 inch or 92.3 x 69.1 cm, for very good quality (250 dpi) 29.1 x 21.8 inch or 73.8 x 55.3 cm, and for excellent quality (300 dpi) 24.2 x 18.1 inch or 61.5 x 46.1 cm. The corresponding values for the Canon 10D are 15.4 x 10.2 inch or 39 x 26 cm for good quality, 12.3 x 8.2 inch or 31.2 x 20.8 cm for very good quality, and 10.2 x 6.8 inch or 26 x 17.3 cm for excellent quality prints.

The Canon EOS 10D has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Pentax 645D are ISO 100 to ISO 1600 (no boost).

10D versus 645D MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the 645D offers substantially better image quality than the 10D (overall score 25 points higher). The advantage is based on 3.5 bits higher color depth, 1.7 EV in additional dynamic range, and 1.1 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Canon 10D APS-C 6.3 3072 2048none21.110.957157Canon 10D
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282Pentax 645D
 
Canon T5 APS-C 17.9 5184 34561080/30p21.911.372463Canon T5
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363Canon SL1
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262Canon T4i
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682Canon 1D X
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074Canon 1D Mark IV
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466Canon 7D
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364Canon 40D
 
Canon 30D APS-C 8.2 3504 2336none21.510.873659Canon 30D
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162Canon 20D
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455Canon Rebel
 
Canon D60 APS-C 6.3 3072 2048none........Canon D60
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476Leica S Typ 006
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382Nikon D3S
 
Nikon D100 APS-C 6.0 3008 2000none........Nikon D100
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101Pentax 645Z
Neither the 10D nor the 645D offer Live View, so that they cannot project the live image that the sensor receives onto the rear screen. Moreover, both cameras are still-image focused and cannot record videos.
 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 10D 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 10D (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 0.55x), 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 10D and Pentax 645D in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon 10Doptical Y 1.8 118 fixed n 1/4000s 3.0 Y n Canon 10D
 
Pentax 645Doptical Y 3.0 921 fixed n 1/4000s 1.1 n n Pentax 645D
 
Canon T5optical n 3.0 460 fixed n 1/4000s 3.0 Y n Canon T5
 
Canon SL1optical n 3.0 1040 fixed Y 1/4000s 4.9 Y n Canon SL1
 
Canon T4ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T4i
 
Canon 1D Xoptical Y 3.2 1040 fixed n 1/8000s 14.0 n n Canon 1D X
 
Canon 1D Mark IVoptical Y 3.0 920 fixed n 1/8000s 10.0 n n Canon 1D Mark IV
 
Canon 7Doptical Y 3.0 920 fixed n 1/8000s 8.0 Y n Canon 7D
 
Canon 40Doptical Y 3.0 230 fixed n 1/8000s 6.5 Y n Canon 40D
 
Canon 30Doptical Y 2.5 230 fixed n 1/8000s 5.0 Y n Canon 30D
 
Canon 20Doptical Y 1.8 118 fixed n 1/8000s 5.0 Y n Canon 20D
 
Canon Rebeloptical n 1.8 118 fixed n 1/4000s 2.5 Y n Canon Rebel
 
Canon D60optical Y 1.8 114 fixed n 1/4000s 3.0 Y n Canon D60
 
Leica S Typ 006optical Y 3.0 922 fixed n 1/4000s 1.5 n n Leica S Typ 006
 
Nikon D3Soptical Y 3.0 921 fixed n 1/8000s 11.0 n n Nikon D3S
 
Nikon D100optical Y 1.8 118 fixed n 1/4000s 3.0 Y n Nikon D100
 
Pentax 645Zoptical Y 3.2 1037 tilting n 1/4000s 3.0 n n Pentax 645Z

One difference between the cameras concerns the presence of an on-board flash. The 10D has one, while the 645D does not. While the built-in flash of the 10D 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.

The 10D writes its imaging data to Compact Flash cards, while the 645D uses SDXC cards. The 645D features dual card slots, which can be very useful in case a memory card fails. In contrast, the 10D only has one slot.

 

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 10D and Pentax 645D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon 10DYnonenone--none1.1---Canon 10D
 
Pentax 645DYstereonone--none2.0---Pentax 645D
 
Canon T5Ymonomono--mini2.0---Canon T5
 
Canon SL1YmonomonoY-mini2.0---Canon SL1
 
Canon T4iYstereomonoY-mini2.0---Canon T4i
 
Canon 1D XYmonononeY-mini2.0---Canon 1D X
 
Canon 1D Mark IVYstereononeY-mini2.0---Canon 1D Mark IV
 
Canon 7DYmonononeY-mini2.0---Canon 7D
 
Canon 40DYnonenone--none2.0---Canon 40D
 
Canon 30DYnonenone--none2.0---Canon 30D
 
Canon 20DYnonenone--none1.1---Canon 20D
 
Canon RebelYnonenone--none1.1---Canon Rebel
 
Canon D60Ynonenone--none1.1---Canon D60
 
Leica S Typ 006Ynonenone--mini2.0---Leica S Typ 006
 
Nikon D3SYstereonone--mini2.0---Nikon D3S
 
Nikon D100Ynonenone--none1.1---Nikon D100
 
Pentax 645ZYstereomonoY-mini3.0---Pentax 645Z

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

Both the 10D and the 645D have been discontinued, but can regularly be found used on eBay. The 10D was replaced by the Canon 20D, while the 645D was followed by the Pentax 645Z. 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.

Review summary

So what is the bottom line? Which of the two cameras – the Canon 10D or the Pentax 645D – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Canon EOS 10D:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Faster burst: Shoots at higher frequency (3 vs 1.1 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (150x107mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 630g or 43 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (80 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2003).

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Advantages of the Pentax 645D:

  • More detail: Has more megapixels (39.5 vs 6.3MP), which boosts linear resolution by 146%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (25 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.5 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.1 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 0.55x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (921k vs 118k dots).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (800 versus 500) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Faster data transfer: Supports a more advanced USB protocol (2.0 vs 1.1).
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More modern: Reflects 7 years of technical progress since the 10D launch.

If the count of individual advantages (bullet points above) is taken as a guide, the 645D is the clear winner of the contest (16 : 7 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. 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.

10D 07:16 645D

How about other alternatives? Do the specifications of the Canon 10D 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 incomplete and does no justice, for example, to the way the 10D 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 expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Canon 10D..+ +..o.. Feb 2003 1,999iCanon 10D
 
Pentax 645D......4.5/5.. Mar 2010 9,995iPentax 645D
 
Canon T5+..4/54/54.5/5 Feb 2014 449iCanon T5
 
Canon SL1+78/1004/54/54/5 Mar 2013 549iCanon SL1
 
Canon T4i+ +77/1004.5/54.5/54.5/5 Jun 2012 849iCanon T4i
 
Canon 1D X....4.5/54.5/54.5/5 Oct 2011 6,799iCanon 1D X
 
Canon 1D Mark IV..89/100..5/5.. Oct 2009 4,999iCanon 1D Mark IV
 
Canon 7D+ +84/1004.5/55/54.5/5 Sep 2009 1,699iCanon 7D
 
Canon 40D+ ++ +4.5/5o4.5/5 Aug 2007 1,299iCanon 40D
 
Canon 30D+ ++ +oo.. Feb 2006 1,399iCanon 30D
 
Canon 20D..+ +..o.. Aug 2004 1,499iCanon 20D
 
Canon Rebel..+ +..o.. Aug 2003 899iCanon Rebel
 
Canon D60..+ +o.... Feb 2002 2,999iCanon D60
 
Leica S Typ 006.......... Sep 2012 21,950iLeica S Typ 006
 
Nikon D3S..89/1004.5/55/55/5 Oct 2009 5,199iNikon D3S
 
Nikon D100..+ +oo.. Feb 2002 1,999iNikon D100
 
Pentax 645Z....4.5/55/55/5 Apr 2014 8,499 iPentax 645Z
Notes: (+ +) 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Canon 10D:
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 make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Canon 10D 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 10D Pentax 645D
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Pentax 645 mount lenses
    Launch Date February 2003 March 2010
    Launch Price USD 1999 USD 9995
    Sensor Specs Canon 10D Pentax 645D
    Sensor Technology CMOS CCD
    Sensor Format APS-C Sensor Medium Format Sensor
    Sensor Size 22.7 x 15.1 mm 44.0 x 33.0 mm
    Sensor Area 342.77 mm2 1452 mm2
    Sensor Diagonal 27.3 mm 55 mm
    Crop Factor 1.6x 0.79x
    Sensor Resolution 6.3 Megapixels 39.5 Megapixels
    Image Resolution 3072 x 2048 pixels 7264 x 5440 pixels
    Pixel Pitch 7.38 μm 6.06 μm
    Pixel Density 1.84 MP/cm2 2.72 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video no Video
    ISO Setting 100-3200 ISO 100-1600 ISO
    Image Processor DIGIC PRIME II
    DXO Sensor Quality (score) 57 82
    DXO Color Depth (bits) 21.1 24.6
    DXO Dynamic Range (EV) 10.9 12.6
    DXO Low Light (ISO) 571 1262
    Screen Specs Canon 10D Pentax 645D
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 98%
    Viewfinder Magnification 0.55x 0.78x
    Top-Level Screen Control Panel Control Panel
    Rear LCD Size 1.8 inch 3.0 inch
    LCD Resolution 118k dots 921k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 10D Pentax 645D
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 1.1 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium CF cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    Connectivity Specs Canon 10D Pentax 645D
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 1.1 USB 2.0
    HDMI Port no HDMI no HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Canon 10D Pentax 645D
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type BP-511 D-LI90
    Battery Life (CIPA)500 shots per charge800 shots per charge
    Body Dimensions 150 x 107 x 75 mm
    (5.9 x 4.2 x 3.0 in)
    156 x 117 x 119 mm
    (6.1 x 4.6 x 4.7 in)
    Camera Weight 850 g (30.0 oz) 1480 g (52.2 oz)

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