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Canon 450D vs Pentax K-3 II

The Canon EOS 450D (called Canon XSi in some regions) and the Pentax K-3 II are two digital cameras that were officially introduced, respectively, in January 2008 and April 2015. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Canon has a resolution of 12.2 megapixels, whereas the Pentax provides 24.1 MP.

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

Headline Specifications
Canon 450D
versus
Pentax K-3 II
Canon 450D   Pentax K-3 II
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Pentax K mount lenses
12.2 MP – APS-C sensor 24.1 MP – APS-C sensor
no Video 1080/60i Video
ISO 100-1,600 ISO 100-51,200
Optical viewfinder Optical viewfinder
3.0" LCD – 230k dots 3.2" LCD – 1037k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3.5 shutter flaps per second 8.3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
500 shots per battery charge720 shots per battery charge
129 x 98 x 62 mm, 524 g 131 x 100 x 77 mm, 800 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 450D and the Pentax K-3 II? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon 450D and the Pentax K-3 II. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The K-3 II can be obtained in two different colors (black, silver), while the 450D is only available in black.

Size Canon 450D vs Pentax K-3 II
Compare 450D versus K-3 II top
Comparison 450D or K-3 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 II is somewhat larger (4 percent) than the Canon 450D. Moreover, the K-3 II is substantially heavier (53 percent) than the 450D. It is noteworthy in this context that the K-3 II 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.

Concerning battery life, the 450D gets 500 shots out of its Canon LP-E5 battery, while the K-3 II can take 720 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. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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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 450D 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 EUR 699ebay.com
2.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 EUR 999ebay.com
3.
 
Canon 400D 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 EUR 799ebay.com
4.
 
Canon 500D 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 EUR 699ebay.com
5.
 
Canon 650D 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 EUR 799ebay.com
6.
 
Canon 750D 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 EUR 699ebay.com
7.
 
Canon 760D 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 EUR 749ebay.com
8.
 
Canon 1000D 126 mm 98 mm 65 mm 502 g 500 n Jun 2008 EUR 399ebay.com
9.
 
Canon 1100D 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 EUR 399ebay.com
10.
 
Canon G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 EUR 749ebay.com
11.
 
Canon G1 X Mark II 116 mm 74 mm 66 mm 553 g 240 n Feb 2014 EUR 849ebay.com
12.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 EUR 699ebay.com
13.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 EUR 1 299ebay.com
14.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 EUR 1 999 amazon.com
15.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 EUR 999ebay.com
16.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 EUR 699ebay.com
17.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 EUR 1 299ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 450D was launched at a markedly lower price (by 27 percent) than the K-3 II, 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. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the K-3 II is 12 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (450D) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 450D and Pentax K-3 II sensor measures

With 24.1MP, the K-3 II offers a higher resolution than the 450D (12.2MP), but the K-3 II has smaller individual pixels (pixel pitch of 3.90μm versus 5.19μm for the 450D). Yet, the K-3 II is a much more recent model (by 7 years and 2 months) than the 450D, 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 K-3 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-3 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 II for good quality output (200 dots per inch) amounts to 30.1 x 20 inches or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inches or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inches or 50.9 x 33.9 cm. The corresponding values for the Canon 450D are 21.4 x 14.2 inches or 54.3 x 36.2 cm for good quality, 17.1 x 11.4 inches or 43.4 x 28.9 cm for very good quality, and 14.2 x 9.5 inches or 36.2 x 24.1 cm for excellent quality prints.

Unlike the 450D, the K-3 II has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Canon EOS 450D has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Pentax K-3 II are ISO 100 to ISO 51200 (no boost).

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

450D versus K-3 II 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"). Of the two cameras under consideration, the K-3 II offers substantially better image quality than the 450D (overall score 19 points higher). The advantage is based on 1.7 bits higher color depth, 2.8 EV in additional dynamic range, and 0.7 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 450D APS-C 12.2 4272 2848none21.910.869261
2.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
3.
 
Canon 400D APS-C 10.1 3888 2592none22.111.066462
4.
 
Canon 500D APS-C 15.1 4752 31681080/20p21.711.566363
5.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.272262
6.
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
7.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.091570
8.
 
Canon 1000D APS-C 10.1 3888 2592none22.010.971962
9.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.075562
10.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
11.
 
Canon G1 X Mark II 1.5-inch 13.0 4160 31201080/30p21.510.858158
12.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
13.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
14.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
15.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
16.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
17.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
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 can also record movies. The K-3 II indeed provides for movie recording, while the 450D does not. The highest resolution format that the K-3 II can use is 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The 450D and the K-3 II 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 K-3 II offers a wider field of view (100%) 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 K-3 II has a higher magnification (0.63x vs 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon 450D, the Pentax K-3 II, 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 450Doptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
2.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
3.
 
Canon 400Doptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
4.
 
Canon 500Doptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
5.
 
Canon 650Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Canon 750Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
7.
 
Canon 760Doptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
8.
 
Canon 1000Doptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Canon 1100Doptical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Canon G1 Xoptical n3.0 / 922 swivel n 1/4000s 1.9/s Y Y
11.
 
Canon G1 X Mark IIoptional n3.0 / 1040 tilting Y 1/4000s 5.2/s Y Y
12.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0/s Y n
13.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
14.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
15.
 
Pentax K-5optical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
16.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
17.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
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 450D has one, while the K-3 II 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 K-3 II 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 K-3 II uses SDXC cards. The K-3 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the 450D only has one slot. The K-3 II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the 450D 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 450D and Pentax K-3 II 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 450DY- / ---mini2.0---
2.
 
Pentax K-3 IIYmono / monoYYmini3.0---
3.
 
Canon 400DY- / ----2.0---
4.
 
Canon 500DYmono / mono--mini2.0---
5.
 
Canon 650DYstereo / monoY-mini2.0---
6.
 
Canon 750DYstereo / monoY-mini2.0YY-
7.
 
Canon 760DYstereo / monoY-mini2.0YY-
8.
 
Canon 1000DY- / ----2.0---
9.
 
Canon 1100DYstereo / mono--mini2.0---
10.
 
Canon G1 XYstereo / mono--mini2.0---
11.
 
Canon G1 X Mark IIYstereo / mono--mini2.0YY-
12.
 
Nikon D5000Ymono / mono--mini2.0---
13.
 
Pentax K-3Ymono / monoYYmini3.0---
14.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
15.
 
Pentax K-5Ystereo / monoY-mini2.0---
16.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
17.
 
Pentax KPYstereo / monoY--2.0Y--

Studio photographers will appreciate that the Pentax K-3 II (unlike the 450D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the K-3 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the 450D and the K-3 II have been discontinued, but can regularly be found used on ebay. The 450D was replaced by the Canon 500D, while the K-3 II was followed by the Pentax K-3 III. Further information on the features and operation of the 450D and K-3 II can be found, respectively, in the Canon 450D Manual (free pdf) or the online Pentax K-3 II Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Canon 450D or the Pentax K-3 II – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Canon EOS 450D:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Less heavy: Is lighter (by 276g or 34 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 (27 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in January 2008).

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Arguments in favor of the Pentax K-3 II:

  • More detail: Has more megapixels (24.1 vs 12.2MP), which boosts linear resolution by 41%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores substantially higher (19 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.7 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/60i video.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.63x vs 0.54x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 230k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (8.3 vs 3.5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (720 versus 500) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 7 years and 2 months of technical progress since the 450D launch.

If the number of relative strengths (bullet points above) is taken as a guide, the K-3 II is the clear winner of the contest (25 : 5 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.

450D 05:25 K-3 II

How about other alternatives? Do the specifications of the Canon 450D and the Pentax K-3 II place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 450D or the K-3 II. 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 450D..+ +..+ +4/54.5/5 Jan 2008 EUR 699ebay.com
2.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 EUR 999ebay.com
3.
 
Canon 400D..+ +..+ +o4/5 Aug 2006 EUR 799ebay.com
4.
 
Canon 500D..+ +..74/1004.5/54.5/5 Mar 2009 EUR 699ebay.com
5.
 
Canon 650D4/5+ +..77/1004.5/54.5/5 Jun 2012 EUR 799ebay.com
6.
 
Canon 750D5/5....75/1004.5/54.5/5 Feb 2015 EUR 699ebay.com
7.
 
Canon 760D5/5+..77/1004.5/54.5/5 Feb 2015 EUR 749ebay.com
8.
 
Canon 1000D..82/100..+ +3.5/54.5/5 Jun 2008 EUR 399ebay.com
9.
 
Canon 1100D..80/100..69/1004/54.5/5 Feb 2011 EUR 399ebay.com
10.
 
Canon G1 X5/5+..76/1004/54.5/5 Jan 2012 EUR 749ebay.com
11.
 
Canon G1 X Mark II3/5+..77/1004/54.5/5 Feb 2014 EUR 849ebay.com
12.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 EUR 699ebay.com
13.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 EUR 1 299ebay.com
14.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 EUR 1 999 amazon.com
15.
 
Pentax K-54/5....83/1005/54.5/5 Sep 2010 EUR 999ebay.com
16.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 EUR 699ebay.com
17.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 EUR 1 299ebay.com
Note: (+ +) 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 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 a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon 450D vs Pentax K-3 II

    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 450D Pentax K-3 II
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Pentax K mount lenses
    Launch Date January 2008 April 2015
    Launch Price USD 799 USD 1,099
    Sensor Specs Canon 450D Pentax K-3 II
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.2 x 14.8 mm 23.5 x 15.6 mm
    Sensor Area 328.56 mm2 366.6 mm2
    Sensor Diagonal 26.7 mm 28.2 mm
    Crop Factor 1.6x 1.5x
    Sensor Resolution 12.2 Megapixels 24.1 Megapixels
    Image Resolution 4272 x 2848 pixels 6016 x 4000 pixels
    Pixel Pitch 5.19 μm 3.90 μm
    Pixel Density 3.70 MP/cm2 6.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 1080/60i Video
    ISO Setting 100 - 1,600 ISO 100 - 51,200 ISO
    Image Processor DIGIC 3 PRIME III
    DXO Sensor Quality (score) 61 80
    DXO Color Depth (bits) 21.9 23.6
    DXO Dynamic Range (EV) 10.8 13.6
    DXO Low Light (ISO) 692 1106
    Screen Specs Canon 450D Pentax K-3 II
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.54x 0.63x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 230k dots 1037k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 450D Pentax K-3 II
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3.5 shutter flaps/s 8.3 shutter flaps/s
    Shutter Life Expectancy100 000 actuations200 000 actuations
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDHC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no UHS-I
    Connectivity Specs Canon 450D Pentax K-3 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi no Wifi
    Geotagging no internal GPS GPS built-in
    Body Specs Canon 450D Pentax K-3 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon LP-E5 Pentax D-LI90
    Battery Life (CIPA)500 shots per charge720 shots per charge
    Body Dimensions 129 x 98 x 62 mm
    (5.1 x 3.9 x 2.4 in)
    131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 524 g (18.5 oz) 800 g (28.2 oz)
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