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Canon SL1 vs Pentax K-3 II

The Canon EOS Rebel SL1 (called Canon 100D in some regions) and the Pentax K-3 II are two digital cameras that were officially introduced, respectively, in March 2013 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 17.9 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 SL1
versus
Pentax K-3 II
Canon SL1   Pentax K-3 II
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Pentax K mount lenses
17.9 MP – APS-C sensor 24.1 MP – APS-C sensor
1080/30p Video 1080/60i Video
ISO 100-12,800 (100 - 25,600) ISO 100-51,200
Optical viewfinder Optical viewfinder
3.0" LCD – 1040k dots 3.2" LCD – 1037k dots
Fixed touchscreen Fixed screen (not touch-sensitive)
4.9 shutter flaps per second 8.3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
380 shots per battery charge720 shots per battery charge
117 x 91 x 69 mm, 407 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 Rebel SL1 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 physical size and weight of the Canon SL1 and the Pentax K-3 II are illustrated 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 measures are rounded to the nearest millimeter.

The SL1 can be obtained in two different colors (black, white), while the K-3 II is also available in two color-versions, but different ones (black, silver).

Size Canon SL1 vs Pentax K-3 II
Compare SL1 versus K-3 II top
Comparison SL1 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 notably larger (23 percent) than the Canon SL1. Moreover, the K-3 II is substantially heavier (97 percent) than the SL1. It is noteworthy in this context that the K-3 II is splash and dust-proof, while the SL1 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 SL1 gets 380 shots out of its Canon LP-E12 battery, while the K-3 II can take 720 images on a single charge of its Pentax 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, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon SL1 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549ebay.com
2.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
3.
 
Canon T100 129 mm 102 mm 77 mm 436 g 500 n Feb 2018 399 amazon.com
4.
 
Canon SL2 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549ebay.com
5.
 
Canon T6 129 mm 101 mm 78 mm 485 g 500 n Mar 2016 449ebay.com
6.
 
Canon M10 108 mm 67 mm 35 mm 301 g 255 n Oct 2015 499ebay.com
7.
 
Canon T5 130 mm 100 mm 78 mm 480 g 500 n Feb 2014 449ebay.com
8.
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549ebay.com
9.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
10.
 
Canon M 109 mm 66 mm 32 mm 298 g 230 n Jul 2012 599ebay.com
11.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849ebay.com
12.
 
Canon T3i 133 mm 100 mm 80 mm 570 g 440 n Feb 2011 599ebay.com
13.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199ebay.com
14.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 1,999 amazon.com
15.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749ebay.com
16.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
17.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 SL1 was launched at a markedly lower price (by 50 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.

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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors 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 11 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (SL1) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon SL1 and Pentax K-3 II sensor measures

With 24.1MP, the K-3 II offers a higher resolution than the SL1 (17.9MP), but the K-3 II has smaller individual pixels (pixel pitch of 3.90μm versus 4.31μm for the SL1). Yet, the K-3 II is a much more recent model (by 2 years and 1 month) than the SL1, 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 SL1 are 25.9 x 17.3 inches or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inches or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inches or 43.9 x 29.3 cm for excellent quality prints.

The SL1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the SL1, 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 SL1 has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 100-25600. 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.

SL1 versus K-3 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 SL1 (overall score 17 points higher). The advantage is based on 1.8 bits higher color depth, 2.3 EV in additional dynamic range, and 0.4 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.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
2.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
3.
 
Canon T100 APS-C 17.9 5184 34561080/30p21.911.469563
4.
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
5.
 
Canon T6 APS-C 17.9 5184 34561080/30p22.011.778166
6.
 
Canon M10 APS-C 17.9 5184 34561080/30p22.211.475365
7.
 
Canon T5 APS-C 17.9 5184 34561080/30p21.911.372463
8.
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
9.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
10.
 
Canon M APS-C 17.9 5184 34561080/30p22.111.282765
11.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
12.
 
Canon T3i APS-C 17.9 5184 34561080/30p22.111.579365
13.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
14.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
15.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p23.612.9151479
16.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
17.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the K-3 II provides a faster frame rate than the SL1. It can shoot movie footage at 1080/60i, while the Canon is limited to 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The SL1 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 SL1 (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 table below summarizes some of the other core capabilities of the Canon SL1 and Pentax K-3 II in connection with corresponding information for a sample of similar cameras.

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Core Features
# image 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 SL1optical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
2.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
3.
 
Canon T100optical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
4.
 
Canon SL2optical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon T6optical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
6.
 
Canon M10none n3.0 / 1040 tilting Y 1/4000s 4.6/s Y n
7.
 
Canon T5optical n3.0 / 460 fixed n 1/4000s 3.0/s Y n
8.
 
Canon G16optical n3.0 / 922 fixed n 1/4000s 2.2/s Y Y
9.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
10.
 
Canon Mnone n3.0 / 1040 fixed Y 1/4000s 4.3/s n n
11.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
12.
 
Canon T3ioptical n3.0 / 1040 swivel n 1/4000s 3.7/s Y n
13.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
14.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
15.
 
Pentax K-S2optical n3.0 / 921 swivel n 1/6000s 5.4/s Y Y
16.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
17.
 
Pentax K-5 IIoptical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One difference between the cameras concerns the presence of an on-board flash. The SL1 has one, while the K-3 II does not. While the built-in flash of the SL1 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 SL1 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 SL1 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 SL1 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
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon SL1Ymono / monoY-mini2.0---
2.
 
Pentax K-3 IIYmono / monoYYmini3.0---
3.
 
Canon T100Ymono / mono--mini2.0YY-
4.
 
Canon SL2Ystereo / monoY-mini2.0YYY
5.
 
Canon T6Ymono / mono--mini2.0YY-
6.
 
Canon M10-stereo / mono--mini2.0YY-
7.
 
Canon T5Ymono / mono--mini2.0---
8.
 
Canon G16Ystereo / mono--mini2.0Y--
9.
 
Canon T5iYstereo / monoY-mini2.0---
10.
 
Canon MYstereo / monoY-mini2.0---
11.
 
Canon T4iYstereo / monoY-mini2.0---
12.
 
Canon T3iYmono / monoY-mini2.0---
13.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
14.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
15.
 
Pentax K-S2Ymono / monoY-micro2.0YY-
16.
 
Pentax K-3Ymono / monoYYmini3.0---
17.
 
Pentax K-5 IIYstereo / monoY-mini2.0---
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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 SL1 lacks such a headphone port.

Studio photographers will appreciate that the Pentax K-3 II (unlike the SL1) 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 SL1 and the K-3 II have been discontinued, but can regularly be found used on ebay. The SL1 was replaced by the Canon SL2, while the K-3 II was followed by the Pentax K-3 III. Further information on the features and operation of the SL1 and K-3 II can be found, respectively, in the Canon SL1 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 SL1 or the Pentax K-3 II – 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 Rebel SL1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More compact: Is smaller (117x91mm vs 131x100mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 393g or 49 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 (50 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in March 2013).

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Advantages of the Pentax K-3 II:

  • More detail: Has more megapixels (24.1 vs 17.9MP), which boosts linear resolution by 16%.
  • 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 (17 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.8 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.4 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
  • 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 0.54x).
  • 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (8.3 vs 4.9 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 380) 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.
  • More modern: Reflects 2 years and 1 month of technical progress since the SL1 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 (24 : 8 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.

SL1 08:24 K-3 II

How about other alternatives? Do the specifications of the Canon SL1 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 incomplete and does no justice, for example, to the way the SL1 or the K-3 II perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon SL14/5+..78/1004/54/5 Mar 2013 549ebay.com
2.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
3.
 
Canon T100..o3/5..3.5/53.5/5 Feb 2018 399 amazon.com
4.
 
Canon SL24/5+ +4/578/1004.5/54.5/5 Jun 2017 549ebay.com
5.
 
Canon T64/5o4/573/1004/54/5 Mar 2016 449ebay.com
6.
 
Canon M10..........4/5 Oct 2015 499ebay.com
7.
 
Canon T53/5+....4/54.5/5 Feb 2014 449ebay.com
8.
 
Canon G164/5+....4.5/54.5/5 Aug 2013 549ebay.com
9.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 649ebay.com
10.
 
Canon M3/5+....4/54/5 Jul 2012 599ebay.com
11.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 849ebay.com
12.
 
Canon T3i3/5o..77/1004.5/54.5/5 Feb 2011 599ebay.com
13.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 1,199ebay.com
14.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 1,999 amazon.com
15.
 
Pentax K-S24.5/5......5/54.5/5 Feb 2015 749ebay.com
16.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
17.
 
Pentax K-5 II5/5....80/1005/54.5/5 Sep 2012 1,099ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. 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.

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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 SL1 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 SL1 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 March 2013 April 2015
    Launch Price USD 549 USD 1,099
    Sensor Specs Canon SL1 Pentax K-3 II
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.9 mm 23.5 x 15.6 mm
    Sensor Area 332.27 mm2 366.6 mm2
    Sensor Diagonal 26.8 mm 28.2 mm
    Crop Factor 1.6x 1.5x
    Sensor Resolution 17.9 Megapixels 24.1 Megapixels
    Image Resolution 5184 x 3456 pixels 6016 x 4000 pixels
    Pixel Pitch 4.31 μm 3.90 μm
    Pixel Density 5.39 MP/cm2 6.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video 1080/60i Video
    ISO Setting 100 - 12,800 ISO 100 - 51,200 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    Image Processor DIGIC 5 PRIME III
    DXO Sensor Quality (score) 63 80
    DXO Color Depth (bits) 21.8 23.6
    DXO Dynamic Range (EV) 11.3 13.6
    DXO Low Light (ISO) 843 1106
    Screen Specs Canon SL1 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 1040k dots 1037k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon SL1 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 4.9 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 UHS-I UHS-I
    Connectivity Specs Canon SL1 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 External MIC port 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 SL1 Pentax K-3 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon LP-E12 Pentax D-LI90
    Battery Life (CIPA)380 shots per charge720 shots per charge
    Body Dimensions 117 x 91 x 69 mm
    (4.6 x 3.6 x 2.7 in)
    131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 407 g (14.4 oz) 800 g (28.2 oz)
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