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Canon T3 vs Pentax K-3 II

The Canon EOS Rebel T3 (called Canon 1100D in some regions) and the Pentax K-3 II are two digital cameras that were revealed to the public, respectively, in February 2011 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 T3
versus
Pentax K-3 II
Canon T3   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
720/30p Video 1080/60i Video
ISO 100-6,400 ISO 100-51,200
Optical viewfinder Optical viewfinder
2.7" LCD – 230k dots 3.2" LCD – 1037k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3 shutter flaps per second 8.3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
700 shots per battery charge720 shots per battery charge
130 x 100 x 78 mm, 495 g 131 x 100 x 77 mm, 800 g
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Check K-3 II offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel T3 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

An illustration of the physical size and weight of the Canon T3 and the Pentax K-3 II 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 K-3 II can be obtained in two different colors (black, silver), while the T3 is only available in black.

Size Canon T3 vs Pentax K-3 II
Compare T3 versus K-3 II top
Comparison T3 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 Canon T3 and the Pentax K-3 II are of equal size. However, the K-3 II is substantially heavier (62 percent) than the T3. It is noteworthy in this context that the K-3 II is splash and dust-proof, while the T3 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 T3 gets 700 shots out of its Canon LP-E10 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 T3 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 US$ 449ebay.com
2.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 US$ 1 099ebay.com
3.
 
Canon G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 US$ 799ebay.com
4.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 US$ 699ebay.com
5.
 
Canon T3i 133 mm 100 mm 80 mm 570 g 440 n Feb 2011 US$ 599ebay.com
6.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 US$ 849ebay.com
7.
 
Canon T5 130 mm 100 mm 78 mm 480 g 500 n Feb 2014 US$ 449ebay.com
8.
 
Canon T6 129 mm 101 mm 78 mm 485 g 500 n Mar 2016 US$ 449ebay.com
9.
 
Canon T100 129 mm 102 mm 77 mm 436 g 500 n Feb 2018 US$ 399 amazon.com
10.
 
Canon XS 126 mm 98 mm 65 mm 502 g 500 n Jun 2008 US$ 449ebay.com
11.
 
Canon XSi 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 US$ 799ebay.com
12.
 
Canon XTi 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 US$ 799ebay.com
13.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 US$ 1 299ebay.com
14.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 US$ 1 999 amazon.com
15.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 US$ 1 099ebay.com
16.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 US$ 649ebay.com
17.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 US$ 1 099ebay.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 obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The T3 was launched at a markedly lower price (by 59 percent) than the K-3 II, 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.

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. 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.

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 14 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (T3) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon T3 and Pentax K-3 II sensor measures

With 24.1MP, the K-3 II offers a higher resolution than the T3 (12.2MP), but the K-3 II has smaller individual pixels (pixel pitch of 3.90μm versus 5.15μm for the T3). Yet, the K-3 II is a much more recent model (by 4 years and 2 months) than the T3, 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 T3 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 T3, 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 Rebel T3 has a native sensitivity range from ISO 100 to ISO 6400. 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.

T3 versus K-3 II 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 K-3 II offers substantially better image quality than the T3 (overall score 18 points higher). The advantage is based on 1.7 bits higher color depth, 2.6 EV in additional dynamic range, and 0.6 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 T3 APS-C 12.2 4272 2848720/30p21.911.075562
2.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
3.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
4.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
5.
 
Canon T3i APS-C 17.9 5184 34561080/30p22.111.579365
6.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
7.
 
Canon T5 APS-C 17.9 5184 34561080/30p21.911.372463
8.
 
Canon T6 APS-C 17.9 5184 34561080/30p22.011.778166
9.
 
Canon T100 APS-C 17.9 5184 34561080/30p21.911.469563
10.
 
Canon XS APS-C 10.1 3888 2592none22.010.971962
11.
 
Canon XSi APS-C 12.2 4272 2848none21.910.869261
12.
 
Canon XTi APS-C 10.1 3888 2592none22.111.066462
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 two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the K-3 II provides a better video resolution than the T3. It can shoot movie footage at 1080/60i, while the Canon is limited to 720/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The T3 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 T3 (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 0.50x), 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 T3 and Pentax K-3 II along with similar information for a selection of comparators.

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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 T3optical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
2.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
3.
 
Canon G1 Xoptical n3.0 / 922 swivel n 1/4000s 1.9/s Y Y
4.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
5.
 
Canon T3ioptical n3.0 / 1040 swivel n 1/4000s 3.7/s Y n
6.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
7.
 
Canon T5optical n3.0 / 460 fixed n 1/4000s 3.0/s Y n
8.
 
Canon T6optical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
9.
 
Canon T100optical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Canon XSoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
11.
 
Canon XSioptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
12.
 
Canon XTioptical n2.5 / 230 fixed n 1/4000s 3.0/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 T3 has one, while the K-3 II does not. While the built-in flash of the T3 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.

Concerning the storage of imaging data, both the T3 and the K-3 II write their files to SDXC cards. The K-3 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the T3 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 T3 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 Rebel T3 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 T3Ystereo / mono--mini2.0---
2.
 
Pentax K-3 IIYmono / monoYYmini3.0---
3.
 
Canon G1 XYstereo / mono--mini2.0---
4.
 
Canon T2iYstereo / -Y-mini2.0---
5.
 
Canon T3iYmono / monoY-mini2.0---
6.
 
Canon T4iYstereo / monoY-mini2.0---
7.
 
Canon T5Ymono / mono--mini2.0---
8.
 
Canon T6Ymono / mono--mini2.0YY-
9.
 
Canon T100Ymono / mono--mini2.0YY-
10.
 
Canon XSY- / ----2.0---
11.
 
Canon XSiY- / ---mini2.0---
12.
 
Canon XTiY- / ----2.0---
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--

It is notable that the K-3 II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The T3 lacks such a headphone port.

Studio photographers will appreciate that the Pentax K-3 II (unlike the T3) 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 T3 and the K-3 II have been discontinued, but can regularly be found used on ebay. The T3 was replaced by the Canon T5, while the K-3 II was followed by the Pentax K-3 III. Further information on the features and operation of the T3 and K-3 II can be found, respectively, in the Canon T3 Manual (free pdf) or the online Pentax K-3 II Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon T3 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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Advantages of the Canon EOS Rebel T3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Less heavy: Is lighter (by 305g or 38 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 (59 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2011).

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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 (18 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 (2.6 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.6 stops ISO advantage).
  • Better video: Provides higher definition movie capture (1080/60i vs 720/30p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • 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 0.50x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.7") 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 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • 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 4 years and 2 months of technical progress since the T3 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the K-3 II is the clear winner of the contest (26 : 5 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

T3 05:26 K-3 II

How about other alternatives? Do the specifications of the Canon T3 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the T3 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 T3..80/100..69/1004/54.5/5 Feb 2011 US$ 449ebay.com
2.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 US$ 1 099ebay.com
3.
 
Canon G1 X5/5+..76/1004/54.5/5 Jan 2012 US$ 799ebay.com
4.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 US$ 699ebay.com
5.
 
Canon T3i3/5o..77/1004.5/54.5/5 Feb 2011 US$ 599ebay.com
6.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 US$ 849ebay.com
7.
 
Canon T53/5+....4/54.5/5 Feb 2014 US$ 449ebay.com
8.
 
Canon T64/5o4/573/1004/54/5 Mar 2016 US$ 449ebay.com
9.
 
Canon T100..o3/5..3.5/53.5/5 Feb 2018 US$ 399 amazon.com
10.
 
Canon XS..82/100..+ +3.5/54.5/5 Jun 2008 US$ 449ebay.com
11.
 
Canon XSi..+ +..+ +4/54.5/5 Jan 2008 US$ 799ebay.com
12.
 
Canon XTi..+ +..+ +o4/5 Aug 2006 US$ 799ebay.com
13.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
14.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 US$ 1 999 amazon.com
15.
 
Pentax K-54/5....83/1005/54.5/5 Sep 2010 US$ 1 099ebay.com
16.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 US$ 649ebay.com
17.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 US$ 1 099ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, 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.

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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. 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 T3 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 T3 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 February 2011 April 2015
    Launch Price USD 449 USD 1,099
    Sensor Specs Canon T3 Pentax K-3 II
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.0 x 14.7 mm 23.5 x 15.6 mm
    Sensor Area 323.4 mm2 366.6 mm2
    Sensor Diagonal 26.5 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 5.15 μm 3.90 μm
    Pixel Density 3.76 MP/cm2 6.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 720/30p Video 1080/60i Video
    ISO Setting 100 - 6,400 ISO 100 - 51,200 ISO
    Image Processor DIGIC 4 PRIME III
    DXO Sensor Quality (score) 62 80
    DXO Color Depth (bits) 21.9 23.6
    DXO Dynamic Range (EV) 11.0 13.6
    DXO Low Light (ISO) 755 1106
    Screen Specs Canon T3 Pentax K-3 II
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.50x 0.63x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 2.7inch 3.2inch
    LCD Resolution 230k dots 1037k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon T3 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 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 SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no UHS-I
    Connectivity Specs Canon T3 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 T3 Pentax K-3 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon LP-E10 Pentax D-LI90
    Battery Life (CIPA)700 shots per charge720 shots per charge
    Body Dimensions 130 x 100 x 78 mm
    (5.1 x 3.9 x 3.1 in)
    131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 495 g (17.5 oz) 800 g (28.2 oz)
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    Check K-3 II offers at
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