Canon 450D vs Pentax 645D
The Canon EOS 450D (called Canon XSi in some regions) and the Pentax 645D are two digital cameras that were revealed to the public, respectively, in January 2008 and March 2010. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (450D) and a medium format (645D) sensor. The Canon has a resolution of 12.2 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.
|Canon 450D||Pentax 645D|
|Digital single lens reflex||Digital single lens reflex|
|Canon EF mount lenses||Pentax 645 mount lenses|
|12.2 MP, APS-C Sensor||39.5 MP, Medium Format Sensor|
|no Video||no Video|
|ISO 100-1600||ISO 100-1600|
|Optical viewfinder||Optical viewfinder|
|3.0" LCD, 230k dots||3.0" LCD, 921k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|3.5 shutter flaps per second||1.1 shutter flaps per second|
|Not weather sealed||Weathersealed body|
|500 shots per battery charge||800 shots per battery charge|
|129 x 98 x 62 mm, 524 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 450D 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.
An illustration of the physical size and weight of the Canon 450D 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 size dimensions are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645D is considerably larger (44 percent) than the Canon 450D. Moreover, the 645D is substantially heavier (182 percent) than the 450D. It is noteworthy in this context that the 645D is splash and dust-proof, while the 450D 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.
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, 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.
|Canon 450D»||5.1 in||3.9 in||2.4 in||18.5 oz||500||n||Jan 2008||799||-||Canon 450D|
|Pentax 645D«||6.1 in||4.6 in||4.7 in||52.2 oz||800||Y||Mar 2010||9,995||-||Pentax 645D|
|Canon 750D« »||5.2 in||4.0 in||3.1 in||19.6 oz||440||n||Feb 2015||749||-||Canon 750D|
|Canon 760D« »||5.2 in||4.0 in||3.1 in||19.9 oz||440||n||Feb 2015||649||-||Canon 760D|
|Canon G1 X Mark II« »||4.6 in||2.9 in||2.6 in||19.5 oz||240||n||Feb 2014||799||Canon G1 X Mark II|
|Canon 650D« »||5.2 in||3.9 in||3.1 in||20.3 oz||440||n||Jun 2012||849||-||Canon 650D|
|Canon G1 X« »||4.6 in||3.2 in||2.6 in||18.8 oz||250||n||Jan 2012||799||-||Canon G1 X|
|Canon 1D X« »||6.2 in||6.6 in||3.3 in||54.7 oz||1120||Y||Oct 2011||6,799||-||Canon 1D X|
|Canon 1100D« »||5.1 in||3.9 in||3.1 in||17.5 oz||700||n||Feb 2011||449||-||Canon 1100D|
|Canon 1D Mark IV« »||6.1 in||6.2 in||3.1 in||43.4 oz||1500||Y||Oct 2009||4,999||-||Canon 1D Mark IV|
|Canon 500D« »||5.1 in||3.9 in||2.4 in||18.3 oz||400||n||Mar 2009||799||-||Canon 500D|
|Canon 1000D« »||5.0 in||3.9 in||2.6 in||17.7 oz||500||n||Jun 2008||449||-||Canon 1000D|
|Canon 400D« »||5.0 in||3.3 in||2.6 in||19.6 oz||370||n||Aug 2006||799||-||Canon 400D|
|Leica S Typ 006« »||6.3 in||4.7 in||3.1 in||44.4 oz||..||Y||Sep 2012||21,950||-||Leica S Typ 006|
|Nikon D3S« »||6.3 in||6.2 in||3.5 in||43.7 oz||4200||Y||Oct 2009||5,199||-||Nikon D3S|
|Nikon D5000« »||5.0 in||4.1 in||3.1 in||20.8 oz||510||n||Apr 2009||749||-||Nikon D5000|
|Pentax 645Z« »||6.1 in||4.6 in||4.8 in||54.7 oz||650||Y||Apr 2014||8,499||Pentax 645Z|
|Note: Measurements and pricing do not include easily detachable parts, such as 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 450D 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.
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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Canon 450D features an APS-C sensor and the Pentax 645D a medium format sensor. The sensor area in the 645D is 341 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 450D has a native 3:2 aspect ratio, while the one in the 645D offers a 4:3 aspect.
With 39.5MP, the 645D offers a higher resolution than the 450D (12.2MP), but the 645D nevertheless has larger individual pixels (pixel pitch of 6.06μm versus 5.19μm for the 450D) due to its larger sensor. Moreover, the 645D is a much more recent model (by 2 years and 1 month) than the 450D, and its sensor will have benefitted from technological advances during this time that further 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 450D are 21.4 x 14.2 inch or 54.3 x 36.2 cm for good quality, 17.1 x 11.4 inch or 43.4 x 28.9 cm for very good quality, and 14.2 x 9.5 inch or 36.2 x 24.1 cm for excellent quality prints.
The Canon EOS 450D has a native sensitivity range from ISO 100 to ISO 1600. The Pentax 645D offers exactly the same ISO settings.
For many cameras, data on sensor performance has been reported by DXO Mark. 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 offers substantially better image quality than the 450D (overall score 21 points higher). The advantage is based on 2.7 bits higher color depth, 1.8 EV in additional dynamic range, and 0.9 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.
|Canon 450D»||APS-C||12.2||4272||2848||-||21.9||10.8||692||61||Canon 450D|
|Pentax 645D«||Medium Format||39.5||7264||5440||-||24.6||12.6||1262||82||Pentax 645D|
|Canon 750D« »||APS-C||24.0||6000||4000||1080/60p||22.7||12.0||919||71||Canon 750D|
|Canon 760D« »||APS-C||24.0||6000||4000||1080/30p||22.6||12.0||915||70||Canon 760D|
|Canon G1 X Mark II« »||1.5-inch||13.0||4160||3120||1080/30p||21.5||10.8||581||58||Canon G1 X Mark II|
|Canon 650D« »||APS-C||17.9||5184||3456||1080/30p||21.7||11.2||722||62||Canon 650D|
|Canon G1 X« »||1.5-inch||14.2||4352||3264||1080/24p||21.7||10.8||644||60||Canon G1 X|
|Canon 1D X« »||Full Frame||17.9||5184||3456||1080/30p||23.8||11.8||2786||82||Canon 1D X|
|Canon 1100D« »||APS-C||12.2||4272||2848||720/30p||21.9||11.0||755||62||Canon 1100D|
|Canon 1D Mark IV« »||APS-H||16.0||4896||3264||1080/30p||22.8||12.0||1320||74||Canon 1D Mark IV|
|Canon 500D« »||APS-C||15.1||4752||3168||1080/20p||21.7||11.5||663||63||Canon 500D|
|Canon 1000D« »||APS-C||10.1||3888||2592||-||-||-||-||-||Canon 1000D|
|Canon 400D« »||APS-C||10.1||3888||2592||-||22.1||11.0||664||62||Canon 400D|
|Leica S Typ 006« »||Medium Format||37.5||7500||5000||-||23.9||12.2||824||76||Leica S Typ 006|
|Nikon D3S« »||Full Frame||12.1||4256||2832||720/24p||23.5||12.0||3253||82||Nikon D3S|
|Nikon D5000« »||APS-C||12.2||4288||2848||720/24p||22.7||12.5||868||72||Nikon D5000|
|Pentax 645Z« »||Medium Format||51.1||8256||6192||1080/60i||26.0||14.7||4505||101||Pentax 645Z|
Beyond body and sensor, cameras can and do differ across a range of features. The 450D 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 450D (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 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 450D and Pentax 645D along with similar information for a selection of comparators.
|Canon 450D»||optical||n||3.0||230||fixed||n||1/4000s||3.5||Y||n||Canon 450D|
|Pentax 645D«||optical||Y||3.0||921||fixed||n||1/4000s||1.1||n||n||Pentax 645D|
|Canon 750D« »||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 750D|
|Canon 760D« »||optical||Y||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 760D|
|Canon G1 X Mark II« »||-||n||3.0||1040||tilting||Y||1/4000s||5.2||Y||Y||Canon G1 X Mark II|
|Canon 650D« »||optical||n||3.0||1040||swivel||Y||1/4000s||5.0||Y||n||Canon 650D|
|Canon G1 X« »||optical||n||3.0||922||Swivel||n||1/4000s||1.9||Y||Y||Canon G1 X|
|Canon 1D X« »||optical||Y||3.2||1040||fixed||n||1/8000s||14.0||n||n||Canon 1D X|
|Canon 1100D« »||optical||n||2.7||230||fixed||n||1/4000s||3.0||Y||n||Canon 1100D|
|Canon 1D Mark IV« »||optical||Y||3.0||920||fixed||n||1/8000s||10.0||n||n||Canon 1D Mark IV|
|Canon 500D« »||optical||n||3.0||920||fixed||n||1/4000s||3.4||Y||n||Canon 500D|
|Canon 1000D« »||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Canon 1000D|
|Canon 400D« »||optical||n||2.5||230||fixed||n||1/4000s||3.0||Y||n||Canon 400D|
|Leica S Typ 006« »||optical||Y||3.0||922||fixed||n||1/4000s||1.5||n||n||Leica S Typ 006|
|Nikon D3S« »||optical||Y||3.0||921||fixed||n||1/8000s||11.0||n||n||Nikon D3S|
|Nikon D5000« »||optical||n||2.7||230||full-flex||n||1/4000s||4.0||Y||n||Nikon D5000|
|Pentax 645Z« »||optical||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 450D has one, while the 645D does not. While the built-in flash of the 450D 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 450D writes its imaging data to SDHC 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 450D only has one slot.
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 450D and Pentax 645D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon 450D»||Y||-||-||-||-||mini||2.0||-||-||-||Canon 450D|
|Pentax 645D«||Y||stereo||-||-||-||-||2.0||-||-||-||Pentax 645D|
|Canon 750D« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon 750D|
|Canon 760D« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Canon 760D|
|Canon G1 X Mark II« »||Y||stereo||mono||-||-||mini||2.0||Y||Y||-||Canon G1 X Mark II|
|Canon 650D« »||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Canon 650D|
|Canon G1 X« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Canon G1 X|
|Canon 1D X« »||Y||mono||-||Y||-||mini||2.0||-||-||-||Canon 1D X|
|Canon 1100D« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Canon 1100D|
|Canon 1D Mark IV« »||Y||stereo||-||Y||-||mini||2.0||-||-||-||Canon 1D Mark IV|
|Canon 500D« »||Y||mono||mono||-||-||mini||2.0||-||-||-||Canon 500D|
|Canon 1000D« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 1000D|
|Canon 400D« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 400D|
|Leica S Typ 006« »||Y||-||-||-||-||mini||2.0||-||-||-||Leica S Typ 006|
|Nikon D3S« »||Y||stereo||-||-||-||mini||2.0||-||-||-||Nikon D3S|
|Nikon D5000« »||Y||mono||mono||-||-||mini||2.0||-||-||-||Nikon D5000|
|Pentax 645Z« »||Y||stereo||mono||Y||-||mini||3.0||-||-||-||Pentax 645Z|
Studio photographers will appreciate that the Pentax 645D (unlike the 450D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the 450D and the 645D have been discontinued, but can regularly be found used on eBay. The 450D was replaced by the Canon 500D, 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.
So what is the bottom line? Is the Canon 450D better than the Pentax 645D or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Arguments in favor of the Canon EOS 450D:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Faster burst: Shoots at higher frequency (3.5 vs 1.1 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (129x98mm vs 156x117mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 956g or 65 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 (92 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in January 2008).
Advantages of the Pentax 645D:
- More detail: Has more megapixels (39.5 vs 12.2MP), which boosts linear resolution by 77%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better image quality: Scores substantially higher (21 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (2.7 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (1.8 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (0.9 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 0.54x).
- Easier setting verification: Features a control panel on top to check shooting parameters.
- More detailed LCD: Has a higher resolution rear screen (921k vs 230k 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.
- 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 modern: Reflects 2 years and 1 month of technical progress since the 450D launch.
If the count of relative strengths (bullet points above) is taken as a measure, the 645D is the clear winner of the contest (16 : 7 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon 450D 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 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 450D 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.
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 (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.
|Canon 450D»||+ +||+ +||4/5||5/5||4.5/5||Jan 2008||799||-||Canon 450D|
|Pentax 645D«||-||-||-||4.5/5||-||Mar 2010||9,995||-||Pentax 645D|
|Canon 750D« »||-||75/100||4.5/5||4.5/5||4.5/5||Feb 2015||749||-||Canon 750D|
|Canon 760D« »||+||77/100||4.5/5||4.5/5||4.5/5||Feb 2015||649||-||Canon 760D|
|Canon G1 X Mark II« »||+||77/100||4/5||4/5||4.5/5||Feb 2014||799||Canon G1 X Mark II|
|Canon 650D« »||+ +||77/100||4.5/5||4.5/5||4.5/5||Jun 2012||849||-||Canon 650D|
|Canon G1 X« »||+||76/100||4/5||4/5||4.5/5||Jan 2012||799||-||Canon G1 X|
|Canon 1D X« »||-||-||4.5/5||4.5/5||4.5/5||Oct 2011||6,799||-||Canon 1D X|
|Canon 1100D« »||80/100||69/100||4/5||4/5||4.5/5||Feb 2011||449||-||Canon 1100D|
|Canon 1D Mark IV« »||-||89/100||-||5/5||-||Oct 2009||4,999||-||Canon 1D Mark IV|
|Canon 500D« »||+ +||74/100||4.5/5||5/5||4.5/5||Mar 2009||799||-||Canon 500D|
|Canon 1000D« »||82/100||+ +||3.5/5||4/5||4.5/5||Jun 2008||449||-||Canon 1000D|
|Canon 400D« »||+ +||+ +||o||4.5/5||4/5||Aug 2006||799||-||Canon 400D|
|Leica S Typ 006« »||-||-||-||-||-||Sep 2012||21,950||-||Leica S Typ 006|
|Nikon D3S« »||-||89/100||4.5/5||5/5||5/5||Oct 2009||5,199||-||Nikon D3S|
|Nikon D5000« »||+ +||75/100||4/5||5/5||4.5/5||Apr 2009||749||-||Nikon D5000|
|Pentax 645Z« »||-||-||4.5/5||5/5||5/5||Apr 2014||8,499||Pentax 645Z|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 1300D vs Canon 450D
- Canon 450D vs Canon 7D
- Canon 450D vs Fujifilm X-E2S
- Canon 450D vs Nikon P1000
- Canon 450D vs Pentax K-70
- Canon 450D vs Sony A850
- Canon 450D vs Sony NEX-7
- Canon 450D vs Sony RX10
- Canon SX60 vs Pentax 645D
- Olympus XZ-2 vs Pentax 645D
- Panasonic GX80 vs Pentax 645D
- Panasonic LX100 II vs Pentax 645D
Specifications: Canon 450D 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 Model||Canon 450D||Pentax 645D|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Pentax 645 mount lenses|
|Launch Date||January 2008||March 2010|
|Launch Price||USD 799||USD 9995|
|Sensor Specs||Canon 450D||Pentax 645D|
|Sensor Format||APS-C Sensor||Medium Format Sensor|
|Sensor Size||22.2 x 14.8 mm||44.0 x 33.0 mm|
|Sensor Area||328.56 mm2||1452 mm2|
|Sensor Diagonal||26.7 mm||55 mm|
|Sensor Resolution||12.2 Megapixels||39.5 Megapixels|
|Image Resolution||4272 x 2848 pixels||7264 x 5440 pixels|
|Pixel Pitch||5.19 μm||6.06 μm|
|Pixel Density||3.70 MP/cm2||2.72 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||no Video||no Video|
|ISO Setting||100-1600 ISO||100-1600 ISO|
|Image Processor||DIGIC 3||PRIME II|
|DXO Sensor Quality (score)||61||82|
|DXO Color Depth (bits)||21.9||24.6|
|DXO Dynamic Range (EV)||10.8||12.6|
|DXO Low Light (ISO)||692||1262|
|Screen Specs||Canon 450D||Pentax 645D|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||95%||98%|
|Top-Level Screen||no Top Display||Control Panel|
|LCD Framing||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||230k dots||921k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Canon 450D||Pentax 645D|
|Autofocus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||3.5 shutter flaps/s||1.1 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||50 000 actuations|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Fill Flash||Build-in Flash||no On-Board Flash|
|Storage Medium||SDHC cards||SDXC cards|
|Second Storage Option||Single card slot||Dual card slots|
|UHS card support||no||no|
|Connectivity Specs||Canon 450D||Pentax 645D|
|Studio Flash||no PC Sync||PC Sync socket|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||no HDMI|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon 450D||Pentax 645D|
|Environmental Sealing||Not weather sealed||Weathersealed body|
|Battery Life (CIPA)||500 shots per charge||800 shots per charge|
129 x 98 x 62 mm
(5.1 x 3.9 x 2.4 in)
156 x 117 x 119 mm
(6.1 x 4.6 x 4.7 in)
|Camera Weight||524 g (18.5 oz)||1480 g (52.2 oz)|
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