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Pentax K-5 vs Sony RX1

The Pentax K-5 and the Sony Cyber-shot DSC-RX1 are two enthusiast cameras that were revealed to the public, respectively, in September 2010 and September 2012. The K-5 is a DSLR, while the RX1 is a fixed lens compact. The cameras are based on an APS-C (K-5) and a full frame (RX1) sensor. The Pentax has a resolution of 16.1 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Pentax K-5
versus
Sony RX1
Pentax K-5   Sony RX1
Digital single lens reflex Fixed lens compact camera
Pentax K mount lenses 35mm f/2.0
16.1 MP – APS-C sensor 24 MP – Full Frame sensor
1080/25p Video 1080/60p Video
ISO 100-12,800 (80 - 51,200) ISO 100-25,600 (50 - 102,400)
Optical viewfinder Viewfinder optional
3.0" LCD – 921k dots 3.0" LCD – 1229k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
7 shutter flaps per second 5 shutter flaps per second
In-body stabilizationno shake reduction
Weathersealed bodynot weather sealed
740 shots per battery charge270 shots per battery charge
131 x 97 x 73 mm, 760 g 113 x 65 x 70 mm, 482 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-5 and the Sony Cyber-shot DSC-RX1? 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-5 and the Sony RX1. 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.

Size Pentax K-5 vs Sony RX1
Compare K-5 versus RX1 top
Comparison K-5 or RX1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX1 is considerably smaller (42 percent) than the Pentax K-5. It is worth mentioning in this context that the K-5 is splash and dust resistant, while the RX1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX1 has a lens built in, whereas the K-5 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-5 gets 740 shots out of its Pentax D-LI90 battery, while the RX1 can take 270 images on a single charge of its Sony NP-BX1 power pack. The power pack in the RX1 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. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 US$ 1 099ebay.com
2.
 
Sony RX1 113 mm 65 mm 70 mm 482 g 270 n Sep 2012 US$ 2 799ebay.com
3.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 US$ 799ebay.com
4.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 US$ 1 499ebay.com
5.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 US$ 1 299ebay.com
6.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 US$ 1 099ebay.com
7.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 US$ 1 099ebay.com
8.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 US$ 849ebay.com
9.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 US$ 599ebay.com
10.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 US$ 649ebay.com
11.
 
Pentax K-500 130 mm 97 mm 71 mm 646 g 710 n Jun 2013 US$ 549ebay.com
12.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 US$ 1 099ebay.com
13.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 US$ 1 399ebay.com
14.
 
Sony A3000 128 mm 91 mm 85 mm 411 g 470 n Aug 2013 US$ 329ebay.com
15.
 
Sony NEX-7 120 mm 67 mm 43 mm 400 g 430 n Aug 2011 US$ 1 349ebay.com
16.
 
Sony RX1R 113 mm 65 mm 70 mm 482 g 270 n Jun 2013 US$ 2 799ebay.com
17.
 
Sony RX1R II 113 mm 65 mm 72 mm 507 g 220 n Oct 2015 US$ 3 299ebay.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Pentax K-5 features an APS-C sensor and the Sony RX1 a full frame sensor. The sensor area in the RX1 is 129 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Pentax K-5 and Sony RX1 sensor measures

With 24MP, the RX1 offers a higher resolution than the K-5 (16.1MP), but the RX1 nevertheless has larger individual pixels (pixel pitch of 5.96μm versus 4.81μm for the K-5) due to its larger sensor. Moreover, the RX1 is a somewhat more recent model (by 1 year and 11 months) than the K-5, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony RX1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX1 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Pentax K-5 are 24.6 x 16.3 inches or 62.6 x 41.5 cm for good quality, 19.7 x 13.1 inches or 50.1 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.7 x 27.6 cm for excellent quality prints.

The Pentax K-5 has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 80-51200. The corresponding ISO settings for the Sony Cyber-shot DSC-RX1 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-102400.

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.

K-5 versus RX1 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the RX1 offers substantially better image quality than the K-5 (overall score 11 points higher). The advantage is based on 1.4 bits higher color depth, 0.2 EV in additional dynamic range, and 1.1 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
2.
 
Sony RX1 Full Frame 24.0 6000 40001080/60p25.114.3253493
3.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
4.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
5.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
6.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
7.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
8.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.0112979
9.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
10.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
11.
 
Pentax K-500 APS-C 16.1 4928 32641080/30p23.713.1108779
12.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
13.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
14.
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
15.
 
Sony NEX-7 APS-C 24.0 6000 40001080/60i24.113.4101681
16.
 
Sony RX1R Full Frame 24.0 6000 40001080/60p25.013.6253791
17.
 
Sony RX1R II Full Frame 42.2 7952 53041080/60p25.813.9320497
Note: DXO values in italics represent estimates based on sensor size and age.

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 RX1 provides a faster frame rate than the K-5. It can shoot movie footage at 1080/60p, while the Pentax is limited to 1080/25p.

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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-5 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the RX1 relies on live view and the rear LCD for framing. That said, the RX1 can be equipped with an optional viewfinder – the FDA-EV1MK. The adjacent table lists some of the other core features of the Pentax K-5 and Sony RX1 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.
 
Pentax K-5optical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
2.
 
Sony RX1optional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
3.
 
Nikon D5300optical n3.2 / 1037 swivel n 1/4000s 5.0/s Y n
4.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
5.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
6.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
7.
 
Pentax K-5 IIoptical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
8.
 
Pentax K-30optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
9.
 
Pentax K-50optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
10.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
11.
 
Pentax K-500optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
12.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
13.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
14.
 
Sony A3000202 n3.0 / 230 fixed n 1/4000s 2.5/s Y n
15.
 
Sony NEX-72359 n3.0 / 921 tilting n 1/4000s 10.0/s Y n
16.
 
Sony RX1Roptional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
17.
 
Sony RX1R II2360 n3.0 / 1229 tilting n 1/4000s 5.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the K-5, but is missing on the RX1 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 Pentax K-5 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The K-5 writes its imaging data to SDXC cards, while the RX1 uses SDXC or Memory Stick PRO Duo 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-5 and Sony Cyber-shot DSC-RX1 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-5Ystereo / monoY-mini2.0---
2.
 
Sony RX1Ystereo / monoY-mini2.0---
3.
 
Nikon D5300Ystereo / monoY-mini2.0Y--
4.
 
Nikon D7000Ymono / monoY-mini2.0---
5.
 
Pentax K-3Ymono / monoYYmini3.0---
6.
 
Pentax K-3 IIYmono / monoYYmini3.0---
7.
 
Pentax K-5 IIYstereo / monoY-mini2.0---
8.
 
Pentax K-30Ymono / mono---2.0---
9.
 
Pentax K-50Ymono / mono--micro2.0---
10.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
11.
 
Pentax K-500Ymono / mono---2.0---
12.
 
Pentax KPYstereo / monoY--2.0Y--
13.
 
Sony A77Ystereo / monoY-mini2.0---
14.
 
Sony A3000Ystereo / mono--mini2.0---
15.
 
Sony NEX-7Ystereo / monoY-mini2.0---
16.
 
Sony RX1RYstereo / monoY-mini2.0---
17.
 
Sony RX1R IIYstereo / monoY-micro2.0YY-

Studio photographers will appreciate that the Pentax K-5 (unlike the RX1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the K-5 and the RX1 have been discontinued, but can regularly be found used on ebay. The K-5 was replaced by the Pentax K-5 II, while the RX1 was followed by the Sony RX1R. Further information on the features and operation of the K-5 and RX1 can be found, respectively, in the Pentax K-5 Manual (free pdf) or the online Sony RX1 Manual.

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Review summary

So what is the bottom line? Is the Pentax K-5 better than the Sony RX1 or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Pentax K-5:

  • 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (7 vs 5 flaps/sec) to capture the decisive moment.
  • 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 (740 versus 270) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been on the market for longer (launched in September 2010).

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Arguments in favor of the Sony Cyber-shot DSC-RX1:

  • More detail: Has more megapixels (24 vs 16.1MP), which boosts linear resolution by 22%.
  • Better image quality: Scores substantially higher (11 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.4 bits more color depth).
  • Better low-light sensitivity: Can shoot in dim conditions (1.1 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/25p).
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 921k dots).
  • Ready to shoot: Comes with an integrated lens, while the K-5 requires a separate lens.
  • More compact: Is smaller (113x65mm vs 131x97mm) 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-5).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More modern: Was introduced somewhat (1 year and 11 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the match-up finishes in a tie (11 points each). 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.

K-5 11:11 RX1

How about other alternatives? Do the specifications of the Pentax K-5 and the Sony RX1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Prime Lens Compact 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 says little about, for example, the shooting experience and imaging performance of the K-5 and the RX1 in practical situations. 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 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.
 
Pentax K-54/5....83/1005/54.5/5 Sep 2010 US$ 1 099ebay.com
2.
 
Sony RX15/5....79/1004/54.5/5 Sep 2012 US$ 2 799ebay.com
3.
 
Nikon D53004/5+ +..79/1004.5/54.5/5 Oct 2013 US$ 799ebay.com
4.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 US$ 1 499ebay.com
5.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
6.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 US$ 1 099ebay.com
7.
 
Pentax K-5 II5/5....80/1005/54.5/5 Sep 2012 US$ 1 099ebay.com
8.
 
Pentax K-304/5....78/1004.5/54.5/5 May 2012 US$ 849ebay.com
9.
 
Pentax K-505/5......5/54.5/5 Jun 2013 US$ 599ebay.com
10.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 US$ 649ebay.com
11.
 
Pentax K-500........4.5/54.5/5 Jun 2013 US$ 549ebay.com
12.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 US$ 1 099ebay.com
13.
 
Sony A775/591/100..81/100..5/5 Aug 2011 US$ 1 399ebay.com
14.
 
Sony A30003/5+....4/54/5 Aug 2013 US$ 329ebay.com
15.
 
Sony NEX-75/5+ +..81/1004.5/55/5 Aug 2011 US$ 1 349ebay.com
16.
 
Sony RX1R5/5......4/54.5/5 Jun 2013 US$ 2 799ebay.com
17.
 
Sony RX1R II5/5....82/100..4.5/5 Oct 2015 US$ 3 299ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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? 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: Pentax K-5 vs Sony RX1

    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-5 Sony RX1
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Pentax K mount lenses 35mm f/2.0
    Launch Date September 2010 September 2012
    Launch Price USD 1,099 USD 2,799
    Sensor Specs Pentax K-5 Sony RX1
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.7 x 15.7 mm 35.8 x 23.8 mm
    Sensor Area 372.09 mm2 852.04 mm2
    Sensor Diagonal 28.4 mm 43 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 16.1 Megapixels 24 Megapixels
    Image Resolution 4928 x 3264 pixels 6000 x 4000 pixels
    Pixel Pitch 4.81 μm 5.96 μm
    Pixel Density 4.32 MP/cm2 2.82 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/25p Video 1080/60p Video
    ISO Setting 100 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost 80 - 51,200 ISO 50 - 102,400 ISO
    Image Processor PRIME II BIONZ X
    DXO Sensor Quality (score) 82 93
    DXO Color Depth (bits) 23.7 25.1
    DXO Dynamic Range (EV) 14.1 14.3
    DXO Low Light (ISO) 1162 2534
    Screen Specs Pentax K-5 Sony RX1
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.61x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 1229k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Pentax K-5 Sony RX1
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 7 shutter flaps/s 5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationno handshake reduction
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no no
    Connectivity Specs Pentax K-5 Sony RX1
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Pentax K-5 Sony RX1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Pentax D-LI90 Sony NP-BX1
    Battery Life (CIPA)740 shots per charge270 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 131 x 97 x 73 mm
    (5.2 x 3.8 x 2.9 in)
    113 x 65 x 70 mm
    (4.4 x 2.6 x 2.8 in)
    Camera Weight 760 g (26.8 oz) 482 g (17.0 oz)
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