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Pentax K-1 vs Canon SX730

The Pentax K-1 and the Canon PowerShot SX730 HS are two digital cameras that were revealed to the public, respectively, in February 2016 and April 2017. The K-1 is a DSLR, while the SX730 is a fixed lens compact. The cameras are based on a full frame (K-1) and a 1/2.3-inch (SX730) sensor. The Pentax has a resolution of 36.2 megapixels, whereas the Canon provides 20.2 MP.

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

Headline Specifications
Pentax K-1
versus
Canon SX730
Pentax K-1   Canon SX730
Digital single lens reflex Fixed lens compact camera
Pentax K mount lenses 24-960mm f/3.3-6.9
36.2 MP – Full Frame sensor 20.2 MP – 1/2.3" sensor
1080/60i Video 1080/60p Video
ISO 100-204,800 ISO 80-3,200
Optical viewfinder No viewfinder, LCD framing
3.2" LCD – 1037k dots 3.0" LCD – 922k dots
Fully flexible screen (no touchscreen) Tilting screen (no touchscreen)
4.4 shutter flaps per second 5.9 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodynot weather sealed
760 shots per battery charge250 shots per battery charge
137 x 110 x 86 mm, 1010 g 110 x 64 x 40 mm, 300 g
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Check SX730 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-1 and the Canon PowerShot SX730 HS? 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 Pentax K-1 and the Canon SX730. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

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

Size Pentax K-1 vs Canon SX730
Compare K-1 versus SX730 top
Comparison K-1 or SX730 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon SX730 is considerably smaller (53 percent) than the Pentax K-1. It is worth mentioning in this context that the K-1 is splash and dust resistant, while the SX730 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the SX730 has a lens built in, whereas the K-1 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 K-1 gets 760 shots out of its Pentax D-LI90 battery, while the SX730 can take 250 images on a single charge of its Canon NB-13L power pack. The power pack in the SX730 can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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 (USD)
Street
Price
1.
 
Pentax K-1 137 mm 110 mm 86 mm 1010 g 760 Y Feb 2016 1,799ebay.com
2.
 
Canon SX730 110 mm 64 mm 40 mm 300 g 250 n Apr 2017 399ebay.com
3.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 amazon.com
4.
 
Canon SX420 104 mm 69 mm 85 mm 325 g 195 n Jan 2016 299ebay.com
5.
 
Canon SX540 120 mm 82 mm 92 mm 442 g 205 n Jan 2016 399ebay.com
6.
 
Canon SX710 113 mm 66 mm 35 mm 269 g 230 n Jan 2015 349ebay.com
7.
 
Canon SX720 110 mm 64 mm 36 mm 270 g 250 n Feb 2016 379ebay.com
8.
 
Canon SX740 110 mm 64 mm 40 mm 299 g 265 n Jul 2018 399 amazon.com
9.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999ebay.com
10.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
11.
 
Pentax K-1 II 137 mm 110 mm 86 mm 1010 g 670 Y Feb 2018 1,999 amazon.com
12.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
13.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
15.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
16.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
17.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 SX730 was launched at a lower price than the K-1, despite having a lens built in. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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.

Of the two cameras under consideration, the Pentax K-1 features a full frame sensor and the Canon SX730 a 1/2.3-inch sensor. The sensor area in the SX730 is 97 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 5.6. The sensor in the K-1 has a native 3:2 aspect ratio, while the one in the SX730 offers a 4:3 aspect.

Pentax K-1 and Canon SX730 sensor measures

With 36.2MP, the K-1 offers a higher resolution than the SX730 (20.2MP), but the K-1 nevertheless has larger individual pixels (pixel pitch of 4.88μm versus 1.18μm for the SX730) due to its larger sensor. However, the SX730 is a somewhat more recent model (by 1 year and 1 month) than the K-1, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. 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-1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-1 for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inches or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inches or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inches or 62.3 x 41.6 cm. The corresponding values for the Canon SX730 are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

Unlike the SX730, the K-1 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 Pentax K-1 has a native sensitivity range from ISO 100 to ISO 204800. The corresponding ISO settings for the Canon PowerShot SX730 HS are ISO 80 to ISO 3200 (no boost).

In terms of underlying technology, the K-1 is build around a CMOS sensor, while the SX730 uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

K-1 versus SX730 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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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.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
2.
 
Canon SX730 1/2.3 20.2 5184 38881080/60p20.511.992450
3.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
4.
 
Canon SX420 1/2.3 19.9 5152 3864720/25p20.311.780648
5.
 
Canon SX540 1/2.3 20.2 5184 38881080/60p20.311.780648
6.
 
Canon SX710 1/2.3 20.2 5184 38881080/60p20.211.671247
7.
 
Canon SX720 1/2.3 20.2 5184 38881080/60p20.311.881748
8.
 
Canon SX740 1/2.3 20.2 5184 38884K/30p20.612.1105051
9.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
10.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
11.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
12.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
13.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
17.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
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 also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the SX730 provides a faster frame rate than the K-1. It can shoot movie footage at 1080/60p, while the Pentax is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the K-1 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the SX730 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Pentax K-1, the Canon SX730, 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.
 
Pentax K-1optical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
2.
 
Canon SX730none n3.0 / 922 tilting n 1/3200s 5.9/s Y Y
3.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
4.
 
Canon SX420none n3.0 / 230 fixed n 1/4000s 0.5/s Y Y
5.
 
Canon SX540none n3.0 / 461 fixed n 1/2000s 5.9/s Y Y
6.
 
Canon SX710none n3.0 / 922 fixed n 1/3200s 6.0/s Y Y
7.
 
Canon SX720none n3.0 / 922 fixed n 1/3200s 5.9/s Y Y
8.
 
Canon SX740none n3.0 / 922 tilting n 1/3200s 10.0/s Y Y
9.
 
Nikon D500optical Y3.2 / 2359 tilting Y 1/8000s 10.0/s n n
10.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
11.
 
Pentax K-1 IIoptical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
12.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
13.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
17.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the K-1, but is missing on the SX730 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The SX730 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the K-1 does not have a selfie-screen.

The Pentax K-1 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 K-1 and the SX730 write their files to SDXC cards. The K-1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the SX730 only has one slot. The K-1 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the SX730 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 Pentax K-1 and Canon PowerShot SX730 HS 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.
 
Pentax K-1Ystereo / monoYYmicro2.0Y--
2.
 
Canon SX730-stereo / mono--micro2.0YYY
3.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
4.
 
Canon SX420-mono / mono---2.0YY-
5.
 
Canon SX540-stereo / mono--mini2.0YY-
6.
 
Canon SX710-stereo / mono--micro2.0YY-
7.
 
Canon SX720-stereo / mono--micro2.0YY-
8.
 
Canon SX740-stereo / mono--micro2.0Y-Y
9.
 
Nikon D500Ystereo / monoYYmini3.0YYY
10.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
11.
 
Pentax K-1 IIYstereo / monoYYmicro2.0Y--
12.
 
Pentax K-3 IIYmono / monoYYmini3.0---
13.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
16.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
17.
 
Sony A850Y- / ---mini2.0---

It is notable that the K-1 has a hotshoe, while the SX730 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Pentax K-1 (unlike the SX730) 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-1 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the K-1 and the SX730 have been discontinued, but can regularly be found used on ebay. The K-1 was replaced by the Pentax K-1 II, while the SX730 was followed by the Canon SX730 HS. Further information on the features and operation of the K-1 and SX730 can be found, respectively, in the Pentax K-1 Manual (free pdf) or the online Canon SX730 Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Pentax K-1 or the Canon SX730 – 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 Pentax K-1:

  • More detail: Offers more megapixels (36.2 vs 20.2MP) with a 37% higher linear resolution.
  • 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 composition and settings control.
  • Easier setting verification: Features an LCD display on top to control 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).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • 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: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (760 versus 250) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • 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 heavily discounted: Has been on the market for longer (launched in February 2016).

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Arguments in favor of the Canon PowerShot SX730 HS:

  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (5.9 vs 4.4 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Comes with an integrated lens, while the K-1 requires a separate lens.
  • More compact: Is smaller (110x64mm vs 137x110mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the K-1).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • 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: Was introduced somewhat (1 year and 1 month) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the K-1 is the clear winner of the match-up (24 : 12 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

K-1 24:12 SX730

How about other alternatives? Do the specifications of the Pentax K-1 and the Canon SX730 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Superzoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the K-1 or the SX730. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax K-15/5....84/1005/55/5 Feb 2016 1,799ebay.com
2.
 
Canon SX730..+....4/54/5 Apr 2017 399ebay.com
3.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 3,499 amazon.com
4.
 
Canon SX420..........3/5 Jan 2016 299ebay.com
5.
 
Canon SX540............ Jan 2016 399ebay.com
6.
 
Canon SX710..+....4/53.5/5 Jan 2015 349ebay.com
7.
 
Canon SX720..+....4/54.5/5 Feb 2016 379ebay.com
8.
 
Canon SX740..+3.5/5..4/54/5 Jul 2018 399 amazon.com
9.
 
Nikon D5005/5+ +4.7/591/1004.5/55/5 Jan 2016 1,999ebay.com
10.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
11.
 
Pentax K-1 II....4.5/579/1004.5/54.5/5 Feb 2018 1,999 amazon.com
12.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
13.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
14.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
15.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
16.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
17.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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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: Pentax K-1 vs Canon SX730

    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 Pentax K-1 Canon SX730
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Pentax K mount lenses 24-960mm f/3.3-6.9
    Launch Date February 2016 April 2017
    Launch Price USD 1,799 USD 399
    Sensor Specs Pentax K-1 Canon SX730
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Full Frame Sensor 1/2.3" Sensor
    Sensor Size 35.9 x 24.0 mm 6.17 x 4.55 mm
    Sensor Area 861.6 mm2 28.0735 mm2
    Sensor Diagonal 43.2 mm 7.7 mm
    Crop Factor 1.0x 5.6x
    Sensor Resolution 36.2 Megapixels 20.2 Megapixels
    Image Resolution 7360 x 4912 pixels 5184 x 3888 pixels
    Pixel Pitch 4.88 μm 1.18 μm
    Pixel Density 4.20 MP/cm2 71.80 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60i Video 1080/60p Video
    ISO Setting 100 - 204,800 ISO 80 - 3,200 ISO
    Image Processor PRIME IV DIGIC 6
    DXO Sensor Quality (score) 96 ..
    DXO Color Depth (bits) 25.4 ..
    DXO Dynamic Range (EV) 14.6 ..
    DXO Low Light (ISO) 3280 ..
    Screen Specs Pentax K-1 Canon SX730
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1037k dots 922k dots
    LCD Attachment Fully flexible screen Tilting screen
    Shooting Specs Pentax K-1 Canon SX730
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 4.4 shutter flaps/s 5.9 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-I no
    Connectivity Specs Pentax K-1 Canon SX730
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Pentax K-1 Canon SX730
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Pentax D-LI90 Canon NB-13L
    Battery Life (CIPA)760 shots per charge250 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    110 x 64 x 40 mm
    (4.3 x 2.5 x 1.6 in)
    Camera Weight 1010 g (35.6 oz) 300 g (10.6 oz)
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    Check SX730 offers at
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