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Canon SX740 vs Pentax K-3 II

The Canon PowerShot SX740 HS and the Pentax K-3 II are two digital cameras that were officially introduced, respectively, in July 2018 and April 2015. The SX740 is a fixed lens compact, while the K-3 II is a DSLR. The cameras are based on a 1/2.3-inch (SX740) and an APS-C (K-3 II) sensor. The Canon has a resolution of 20.2 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 SX740   Pentax K-3 II
Canon SX740 Pentax K-3 II
Fixed lens compact camera Digital single lens reflex
24-960mm f/3.3-6.9 Pentax K mount lenses
20.2 MP, 1/2.3" Sensor 24.1 MP, APS-C Sensor
4K/30p Video 1080/60i Video
ISO 100-3200 ISO 100-51200
No viewfinder, LCD framing Optical viewfinder
3.0" LCD, 922k dots 3.2" LCD, 1037k dots
Tilting screen (no touchscreen) Fixed screen (not touch-sensitive)
10 shutter flaps per second 8.3 shutter flaps per second
Lens-based stabilizationIn-body stabilization
Not weather sealedWeathersealed body
265 shots per battery charge720 shots per battery charge
110 x 64 x 40 mm, 299 g 131 x 100 x 77 mm, 800 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX740 HS 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.

Body comparison: Canon SX740 vs Pentax K-3 II

The side-by-side display below illustrates the physical size and weight of the Canon SX740 and the Pentax K-3 II. 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.

Both cameras are available in two different colors (black, silver).

Size Canon SX740 vs Pentax K-3 II
Compare SX740 versus K-3 II top
Comparison SX740 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 considerably larger (86 percent) than the Canon SX740. It is noteworthy in this context that the K-3 II is splash and dust-proof, while the SX740 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the SX740 has a lens built in, whereas the K-3 II is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the SX740 gets 265 shots out of its NB-13L battery, while the K-3 II can take 720 images on a single charge of its D-LI90 power pack.

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.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon SX740» 4.3 in 2.5 in 1.6 in 10.5 oz 265 n Jul 2018 399 i i Canon SX740
 
Pentax K-3 II« 5.2 in 3.9 in 3.0 in 28.2 oz 720 Y Apr 2015 1,099 i i Pentax K-3 II
 
Canon SX70« » 5.0 in 3.6 in 4.6 in 21.4 oz 325 n Sep 2018 549 i i Canon SX70
 
Canon SX730« » 4.3 in 2.5 in 1.6 in 10.6 oz 250 n Apr 2017 399- i Canon SX730
 
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i Canon 80D
 
Nikon A1000« » 4.5 in 2.8 in 1.6 in 11.6 oz 250 n Jan 2019 429 i i Nikon A1000
 
Panasonic ZS80« » 4.4 in 2.7 in 1.7 in 11.5 oz 380 n Feb 2019 449 i i Panasonic ZS80
 
Panasonic TS7« » 4.6 in 3.0 in 1.5 in 11.3 oz 300 Y May 2018 449 i i Panasonic TS7
 
Panasonic ZS70« » 4.4 in 2.6 in 1.6 in 11.4 oz 380 n Apr 2017 449- i Panasonic ZS70
 
Pentax KP« » 5.2 in 4.0 in 3.0 in 24.8 oz 390 Y Jan 2017 1,099 i i Pentax KP
 
Pentax K-70« » 5.0 in 3.7 in 2.9 in 24.3 oz 410 Y Jun 2016 649 i i Pentax K-70
 
Pentax K-3« » 5.2 in 3.9 in 3.0 in 28.2 oz 560 Y Oct 2013 1,299- i Pentax K-3
 
Pentax K-5« » 5.2 in 3.8 in 2.9 in 26.8 oz 740 Y Sep 2010 1,099- i Pentax K-5
 
Ricoh WG-6« » 4.6 in 2.6 in 1.3 in 8.7 oz 340 Y Feb 2019 399 i i Ricoh WG-6
 
Sony HX99« » 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 449 i i Sony HX99
 
Sony HX95« » 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 429 i i Sony HX95
 
Sony WX800« » 4.0 in 2.3 in 1.4 in 8.2 oz 370 n Oct 2018 399 i i Sony WX800
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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The SX740 was launched at a lower price than the K-3 II, despite having a lens built in. 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: Canon SX740 vs Pentax K-3 II

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon SX740 features a 1/2.3-inch sensor and the Pentax K-3 II an APS-C sensor. The sensor area in the K-3 II is 1211 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.5. The sensor in the SX740 has a native 4:3 aspect ratio, while the one in the K-3 II offers a 3:2 aspect.

Canon SX740 and Pentax K-3 II sensor measures

With 24.1MP, the K-3 II offers a higher resolution than the SX740 (20.2MP), but the K-3 II nevertheless has larger individual pixels (pixel pitch of 3.90μm versus 1.18μm for the SX740) due to its larger sensor. However, the SX740 is a much more recent model (by 3 years and 3 months) than the K-3 II, 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the 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 inch or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inch or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inch or 50.9 x 33.9 cm. The corresponding values for the Canon SX740 are 25.9 x 19.4 inch or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inch or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inch or 43.9 x 32.9 cm for excellent quality prints.

Unlike the SX740, 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 PowerShot SX740 HS has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Pentax K-3 II are ISO 100 to ISO 51200 (no boost).

SX740 versus K-3 II MP

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. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Canon SX740» 1/2.3 20.2 5184 38884K/30p----Canon SX740
 
Pentax K-3 II« APS-C 24.1 6016 40001080/60i23.613.6110680Pentax K-3 II
 
Canon SX70« » 1/2.3 20.2 5184 38884K/30p----Canon SX70
 
Canon SX730« » 1/2.3 20.2 5184 38881080/60p----Canon SX730
 
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
 
Nikon A1000« » 1/2.3 15.9 4608 34564K/30p----Nikon A1000
 
Panasonic ZS80« » 1/2.3 20.2 5184 38884K/30p----Panasonic ZS80
 
Panasonic TS7« » 1/2.3 20.2 5184 38884K/30p----Panasonic TS7
 
Panasonic ZS70« » 1/2.3 20.2 5184 38884K/30p19.110.610636Panasonic ZS70
 
Pentax KP« » APS-C 24.1 6016 40001080/60i----Pentax KP
 
Pentax K-70« » APS-C 24.0 6000 40001080/60i----Pentax K-70
 
Pentax K-3« » APS-C 24.1 6016 40001080/60i23.713.4121680Pentax K-3
 
Pentax K-5« » APS-C 16.1 4928 32641080/25p23.714.1116282Pentax K-5
 
Ricoh WG-6« » 1/2.3 20.2 5184 38884K/30p----Ricoh WG-6
 
Sony HX99« » 1/2.3 18.0 4896 36724K/30p----Sony HX99
 
Sony HX95« » 1/2.3 18.0 4896 36724K/30p----Sony HX95
 
Sony WX800« » 1/2.3 18.0 4896 36724K/30p----Sony WX800

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the SX740 provides a higher video resolution than the K-3 II. It can shoot video footage at 4K/30p, while the Pentax is limited to 1080/60i.

 

Feature comparison: Canon SX740 vs Pentax K-3 II

Apart from body and sensor, cameras can and do differ across a range of features. For example, the K-3 II has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the SX740 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Canon SX740 and Pentax K-3 II in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon SX740»- n 3.0 922 tilting n 1/3200s 10.0 Y Y Canon SX740
 
Pentax K-3 II«optical Y 3.2 1037 fixed n 1/8000s 8.3 n Y Pentax K-3 II
 
Canon SX70« »2360 n 3.0 922 swivel n 1/2000s 10.0 Y Y Canon SX70
 
Canon SX730« »- n 3.0 922 tilting n 1/3200s 5.9 Y Y Canon SX730
 
Canon 80D« »optical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 80D
 
Nikon A1000« »1166 n 3.0 1036 tilting Y 1/4000s 7.0 Y Y Nikon A1000
 
Panasonic ZS80« »2330 n 3.0 1040 tilting Y 1/2000s 10.0 Y Y Panasonic ZS80
 
Panasonic TS7« »1170 n 3.0 1040 fixed n 1/1300s 10.0 Y Y Panasonic TS7
 
Panasonic ZS70« »1166 n 3.0 1040 tilting Y 1/2000s 10.0 Y Y Panasonic ZS70
 
Pentax KP« »optical n 3.0 921 tilting n 1/6000s 7.0 Y Y Pentax KP
 
Pentax K-70« »optical n 3.0 921 swivel n 1/6000s 6.0 Y Y Pentax K-70
 
Pentax K-3« »optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y Pentax K-3
 
Pentax K-5« »optical Y 3.0 921 fixed n 1/8000s 7.0 Y Y Pentax K-5
 
Ricoh WG-6« »- n 3.0 1040 fixed n 1/4000s 1.0 Y n Ricoh WG-6
 
Sony HX99« »638 n 3.0 922 tilting Y 1/2000s 10.0 Y Y Sony HX99
 
Sony HX95« »638 n 3.0 922 tilting n 1/2000s 10.0 Y Y Sony HX95
 
Sony WX800« »- n 3.0 922 tilting Y 1/2000s 10.0 Y Y Sony WX800

One difference between the cameras concerns the presence of an on-board flash. The SX740 has one, while the K-3 II does not. While the built-in flash of the SX740 is not very powerful, it can at times be useful as a fill-in light.

The SX740 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the K-3 II does not have a selfie-screen.

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 SX740 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 SX740 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.

 

Connectivity comparison: Canon SX740 vs Pentax K-3 II

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 PowerShot SX740 HS and Pentax K-3 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon SX740»-stereomono--micro2.0YYYCanon SX740
 
Pentax K-3 II«YmonomonoYYmini3.0---Pentax K-3 II
 
Canon SX70« »-stereomonoY-micro2.0Y-YCanon SX70
 
Canon SX730« »-stereomono--micro2.0YYYCanon SX730
 
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
 
Nikon A1000« »-stereomono--micro2.0Y-YNikon A1000
 
Panasonic ZS80« »-stereomono--micro2.0Y-YPanasonic ZS80
 
Panasonic TS7« »-stereomono--micro2.0Y--Panasonic TS7
 
Panasonic ZS70« »-stereomono--micro2.0Y--Panasonic ZS70
 
Pentax KP« »YstereomonoY--2.0Y--Pentax KP
 
Pentax K-70« »YstereomonoY-mini2.0Y--Pentax K-70
 
Pentax K-3« »YmonomonoYYmini3.0---Pentax K-3
 
Pentax K-5« »YstereomonoY-mini2.0---Pentax K-5
 
Ricoh WG-6« »-monomono--micro3.0---Ricoh WG-6
 
Sony HX99« »-stereomono--micro2.0YYYSony HX99
 
Sony HX95« »-stereomono--micro2.0YYYSony HX95
 
Sony WX800« »-stereomono--micro2.0YY-Sony WX800

It is notable that the SX740 offers wifi support, while the K-3 II does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Pentax K-3 II (unlike the SX740) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the SX740 and the K-3 II are recent models that are part of the current product line-up. The K-3 II replaced the earlier Pentax K-3, while the SX740 followed on from the Canon SX730 HS. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Pentax websites.


Review summary: Canon SX740 vs Pentax K-3 II

So what conclusions can be drawn? Is the Canon SX740 better than the Pentax K-3 II or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Canon PowerShot SX740 HS:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (10 vs 8.3 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Comes with a built-in lens, while the K-3 II requires a separate lens.
  • More compact: Is smaller (110x64mm vs 131x100mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the K-3 II).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 3 years and 3 months of technical progress since the K-3 II launch.

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Reasons to prefer the Pentax K-3 II:

  • More detail: Has more megapixels (24.1 vs 20.2MP), which boosts linear resolution by 11%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • 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.
  • Easier framing: Has an optical viewfinder for image framing and settings control.
  • 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 922k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/3200s) to freeze action.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (720 versus 265) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • 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 heavily discounted: Has been around for much longer (launched in April 2015).

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 (22 : 13 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

SX740 13:22 K-3 II

How about other alternatives? Do the specifications of the Canon SX740 and the Pentax K-3 II place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings 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 incomplete and does no justice, for example, to the way the SX740 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: Canon SX740 vs Pentax K-3 II

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon SX740»+-4/5-4/5 Jul 2018 399 i i Canon SX740
 
Pentax K-3 II«--5/54.5/55/5 Apr 2015 1,099 i i Pentax K-3 II
 
Canon SX70« »--3.5/5-3.5/5 Sep 2018 549 i i Canon SX70
 
Canon SX730« »+-4/5-4/5 Apr 2017 399- i Canon SX730
 
Canon 80D« »+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
 
Nikon A1000« »--3.5/5-3/5 Jan 2019 429 i i Nikon A1000
 
Panasonic ZS80« »--4.5/5-- Feb 2019 449 i i Panasonic ZS80
 
Panasonic TS7« »+---3.5/5 May 2018 449 i i Panasonic TS7
 
Panasonic ZS70« »+ +-4/5-4/5 Apr 2017 449- i Panasonic ZS70
 
Pentax KP« »-82/1005/5-4.5/5 Jan 2017 1,099 i i Pentax KP
 
Pentax K-70« »-79/1004.5/54/54.5/5 Jun 2016 649 i i Pentax K-70
 
Pentax K-3« »-83/1005/54.5/55/5 Oct 2013 1,299- i Pentax K-3
 
Pentax K-5« »-83/1005/54.5/54.5/5 Sep 2010 1,099- i Pentax K-5
 
Ricoh WG-6« »----- Feb 2019 399 i i Ricoh WG-6
 
Sony HX99« »--4/5-4.5/5 Aug 2018 449 i i Sony HX99
 
Sony HX95« »----- Aug 2018 429 i i Sony HX95
 
Sony WX800« »----- Oct 2018 399 i i Sony WX800
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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.

Canon SX740:
Check Amazon price
Pentax K-3 II:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu 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 SX740 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 SX740 Pentax K-3 II
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-960mm f/3.3-6.9 Pentax K mount lenses
    Launch Date July 2018 April 2015
    Launch Price USD 399 USD 1099
    Sensor Specs Canon SX740 Pentax K-3 II
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1/2.3" Sensor APS-C Sensor
    Sensor Size 6.17 x 4.55 mm 23.5 x 15.6 mm
    Sensor Area 28.0735 mm2 366.6 mm2
    Sensor Diagonal 7.7 mm 28.2 mm
    Crop Factor 5.6x 1.5x
    Sensor Resolution 20.2 Megapixels 24.1 Megapixels
    Image Resolution 5184 x 3888 pixels 6016 x 4000 pixels
    Pixel Pitch 1.18 μm 3.90 μm
    Pixel Density 71.80 MP/cm2 6.56 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 1080/60i Video
    ISO Setting 100-3200 ISO 100-51200 ISO
    Image Processor DIGIC 8 PRIME III
    DXO Sensor Quality (score) .. 80
    DXO Color Depth (bits) .. 23.6
    DXO Dynamic Range (EV) .. 13.6
    DXO Low Light (ISO) .. 1106
    Screen Specs Canon SX740 Pentax K-3 II
    Viewfinder Type No viewfinder Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.63x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.2 inch
    LCD Resolution 922k dots 1037k dots
    LCD Attachment Tilting screen Fixed screen
    Shooting Specs Canon SX740 Pentax K-3 II
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/3200/s 1/8000/s
    Continuous Shooting 10 shutter flaps/s 8.3 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon SX740 Pentax K-3 II
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging GPS built-in
    Body Specs Canon SX740 Pentax K-3 II
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type NB-13L power pack D-LI90 power pack
    Battery Life (CIPA)265 shots per charge720 shots per charge
    Body Dimensions 110 x 64 x 40 mm
    (4.3 x 2.5 x 1.6 in)
    131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 299 g (10.5 oz) 800 g (28.2 oz)

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