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Pentax MX-1 vs Sony RX10 III

The Pentax MX-1 and the Sony Cyber-shot DSC-RX10 III are two digital cameras that were announced, respectively, in January 2013 and March 2016. Both the MX-1 and the RX10 III are fixed lens compact cameras that are based on a 1/1.7-inch (MX-1) and an one-inch (RX10 III) sensor. The Pentax has a resolution of 12 megapixels, whereas the Sony provides 20 MP.

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

Headline Specifications
Pentax MX-1
versus
Sony RX10 III
Pentax MX-1   Sony RX10 III
Fixed lens compact camera Fixed lens compact camera
28-112mm f/1.8-2.5 24-600mm f/2.4-4.0
12 MP – 1/1.7" sensor 20 MP – 1" sensor
1080/30p Video 4K/30p Video
ISO 100-12,800 ISO 100-12,800 (64 - 25,600)
No viewfinder, LCD framing Electronic viewfinder (2359k dots)
3.0" LCD – 920k dots 3.0" LCD – 1229k dots
Tilting screen (no touchscreen) Tilting screen (no touchscreen)
1 shutter flaps per second 14 shutter flaps per second
In-body stabilizationLens-based stabilization
not weather sealedWeathersealed body
290 shots per battery charge420 shots per battery charge
122 x 61 x 51 mm, 391 g 133 x 94 x 127 mm, 1051 g
Pentax MX-1:
Check Ebay offers
Sony RX10 III:
Check Amazon price

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax MX-1 and the Sony Cyber-shot DSC-RX10 III? 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

The side-by-side display below illustrates the physical size and weight of the Pentax MX-1 and the Sony RX10 III. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Pentax MX-1 vs Sony RX10 III
Compare MX-1 versus RX10 III top
Comparison MX-1 or RX10 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX10 III is considerably larger (68 percent) than the Pentax MX-1. Moreover, the RX10 III is substantially heavier (169 percent) than the MX-1. It is noteworthy in this context that the RX10 III is splash and dust-proof, while the MX-1 does not feature any corresponding weather-sealing.

The power pack in the RX10 III can be charged via the USB port, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax MX-1 122 mm 61 mm 51 mm 391 g 290 n Jan 2013 499i
2.
 
Sony RX10 III 133 mm 94 mm 127 mm 1051 g 420 Y Mar 2016 1,499 i
3.
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549 i
4.
 
Canon S120 100 mm 59 mm 29 mm 217 g 230 n Aug 2013 449i
5.
 
Canon G15 107 mm 76 mm 40 mm 352 g 350 n Sep 2012 499i
6.
 
Fujifilm X30 119 mm 72 mm 60 mm 423 g 470 n Aug 2014 599 i
7.
 
Fujifilm X20 117 mm 70 mm 57 mm 353 g 270 n Jan 2013 599i
8.
 
Fujifilm X10 117 mm 70 mm 57 mm 350 g 270 n Sep 2011 599i
9.
 
Nikon P7800 119 mm 78 mm 50 mm 399 g 350 n Sep 2013 549i
10.
 
Olympus Stylus 1 116 mm 87 mm 57 mm 402 g 410 n Oct 2013 699i
11.
 
Olympus XZ-2 113 mm 65 mm 48 mm 346 g 340 n Sep 2012 599i
12.
 
Panasonic LF1 103 mm 62 mm 28 mm 192 g 250 n Apr 2013 499 i
13.
 
Sony RX10 IV 133 mm 94 mm 145 mm 1095 g 400 Y Sep 2017 1,699 i
14.
 
Sony RX0 59 mm 41 mm 30 mm 110 g 240 Y Aug 2017 699i
15.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999 i
16.
 
Sony RX10 II 129 mm 88 mm 102 mm 813 g 400 Y Jun 2015 1,299i
17.
 
Sony RX10 129 mm 88 mm 102 mm 813 g 420 Y Oct 2013 1,299i
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The 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 MX-1 was launched at a markedly lower price (by 67 percent) than the RX10 III, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Pentax MX-1 features a 1/1.7-inch sensor and the Sony RX10 III an one-inch sensor. The sensor area in the RX10 III is 170 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 4.5 and 2.7. The sensor in the MX-1 has a native 4:3 aspect ratio, while the one in the RX10 III offers a 3:2 aspect.

Pentax MX-1 and Sony RX10 III sensor measures

With 20MP, the RX10 III offers a higher resolution than the MX-1 (12MP), but the RX10 III nevertheless has larger individual pixels (pixel pitch of 2.41μm versus 1.89μm for the MX-1) due to its larger sensor. Moreover, the RX10 III is a much more recent model (by 3 years and 2 months) than the MX-1, and its sensor will 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 RX10 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX10 III for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Pentax MX-1 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The Pentax MX-1 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Sony Cyber-shot DSC-RX10 III are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 64-25600.

MX-1 versus RX10 III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the RX10 III offers substantially better image quality than the MX-1 (overall score 21 points higher). The advantage is based on 2.7 bits higher color depth, 1.3 EV in additional dynamic range, and 1.2 stops in additional low light sensitivity. 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax MX-1 1/1.7 12.0 4000 30001080/30p20.411.320849
2.
 
Sony RX10 III 1-inch 20.0 5472 36484K/30p23.112.647270
3.
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
4.
 
Canon S120 1/1.7 12.0 4000 30001080/60p21.311.924656
5.
 
Canon G15 1/1.7 12.0 4000 30001080/24p19.911.516546
6.
 
Fujifilm X30 2/3 12.0 4000 30001080/60p20.411.2-31249
7.
 
Fujifilm X20 2/3 12.0 4000 30001080/60p20.110.9-46246
8.
 
Fujifilm X10 2/3 12.0 4000 30001080/30p20.511.324550
9.
 
Nikon P7800 1/1.7 12.0 4000 30001080/30p21.211.720054
10.
 
Olympus Stylus 1 1/1.7 11.8 3968 29761080/30p20.711.617951
11.
 
Olympus XZ-2 1/1.7 11.8 3968 29761080/30p20.411.321649
12.
 
Panasonic LF1 1/1.7 12.0 4000 30001080/60i20.811.621152
13.
 
Sony RX10 IV 1-inch 20.0 5472 36484K/30p22.012.240863
14.
 
Sony RX0 1-inch 15.4 4800 32001080/60p22.412.454868
15.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
16.
 
Sony RX10 II 1-inch 20.0 5472 36484K/30p23.012.653170
17.
 
Sony RX10 1-inch 20.0 5472 36481080/60p22.912.647469
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the RX10 III provides a better video resolution than the MX-1. It can shoot movie footage at 4K/30p, while the Pentax is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the RX10 III has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the MX-1 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 MX-1, the Sony RX10 III, and comparable cameras.

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Core Features
    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 MX-1none n3.0 / 920 tilting n 1/8000s 1.0/s Y Y
2.
 
Sony RX10 III2359 Y3.0 / 1229 tilting n 1/2000s 14.0/s Y Y
3.
 
Canon G16optical n3.0 / 922 fixed n 1/4000s 2.2/s Y Y
4.
 
Canon S120none n3.0 / 922 fixed Y 1/2000s 12.1/s Y Y
5.
 
Canon G15optical n3.0 / 922 fixed n 1/4000s 2.1/s Y Y
6.
 
Fujifilm X302360 n3.0 / 920 tilting n 1/4000s 12.0/s Y Y
7.
 
Fujifilm X20optical n2.8 / 460 fixed n 1/4000s 12.0/s Y Y
8.
 
Fujifilm X10optical n2.8 / 460 fixed n 1/4000s 10.0/s Y Y
9.
 
Nikon P7800921 n3.0 / 921 swivel n 1/4000s 8.0/s Y Y
10.
 
Olympus Stylus 11440 n3.0 / 1040 tilting Y 1/2000s 7.0/s Y Y
11.
 
Olympus XZ-2optional n3.0 / 920 tilting Y 1/2000s 5.0/s Y Y
12.
 
Panasonic LF1200 n3.0 / 920 fixed n 1/4000s 10.0/s Y Y
13.
 
Sony RX10 IV2359 Y3.0 / 1440 tilting Y 1/2000s 24.0/s Y Y
14.
 
Sony RX0none n1.5 / 230 fixed n .. 5.5/s n n
15.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
16.
 
Sony RX10 II2359 Y3.0 / 1229 tilting n 1/3200s 14.0/s Y Y
17.
 
Sony RX101440 Y3.0 / 1229 tilting n 1/3200s 10.0/s Y Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the RX10 III, but is missing on the MX-1 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 reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the RX10 III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

Both the MX-1 and the RX10 III have zoom lenses built in. The MX-1 has a 28-112mm f/1.8-2.5 optic and the RX10 III offers a 24-600mm f/2.4-4.0 (focal lengths in full frame equivalent terms). Hence, the Sony provides a wider angle of view at the short end, as well as more tele-photo reach at the long end than the Pentax. The MX-1 offers the faster maximum aperture.

The MX-1 writes its imaging data to SDXC cards, while the RX10 III uses SDXC or Memory Stick PRO Duo cards. The RX10 III supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the MX-1 cannot take advantage of Ultra High Speed SD cards.

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 MX-1 and Sony Cyber-shot DSC-RX10 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Pentax MX-1-stereo / mono--mini2.0---
2.
 
Sony RX10 IIIYstereo / monoYYmicro2.0YY-
3.
 
Canon G16Ystereo / mono--mini2.0Y--
4.
 
Canon S120-stereo / mono--mini2.0Y--
5.
 
Canon G15Ystereo / mono--mini2.0---
6.
 
Fujifilm X30Ystereo / mono--micro2.0Y--
7.
 
Fujifilm X20Ystereo / mono--micro2.0---
8.
 
Fujifilm X10Ystereo / mono--mini2.0---
9.
 
Nikon P7800Ystereo / monoY-mini2.0---
10.
 
Olympus Stylus 1Ystereo / mono--micro2.0Y--
11.
 
Olympus XZ-2Ystereo / mono--mini2.0---
12.
 
Panasonic LF1-stereo / mono--mini2.0YY-
13.
 
Sony RX10 IVYstereo / monoYYmicro2.0YY-
14.
 
Sony RX0-stereo / monoY-micro2.0Y-Y
15.
 
Sony RX100 V-stereo / mono--micro2.0YY-
16.
 
Sony RX10 IIYstereo / monoYYmicro2.0YY-
17.
 
Sony RX10Ystereo / monoYYmicro2.0YY-

It is notable that the RX10 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the MX-1 does not provide wifi capability.

The RX10 III is a recent model that features in the current product line-up of Sony. In contrast, the MX-1 has been discontinued (but can be found pre-owned on eBay). There has not been a direct replacement model for the MX-1 from Pentax. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Pentax and Sony websites.

Review summary

So how do things add up? Is the Pentax MX-1 better than the Sony RX10 III or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Pentax MX-1:

  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/2.4).
  • More compact: Is smaller (122x61mm vs 133x94mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 660g or 63 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (67 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in January 2013).

ilogo

Reasons to prefer the Sony Cyber-shot DSC-RX10 III:

  • More detail: Has more megapixels (20 vs 12MP), which boosts linear resolution by 32%.
  • Better image quality: Scores substantially higher (21 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.2 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 920k dots).
  • Faster burst: Shoots at higher frequency (14 vs 1 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • Longer lasting: Gets more shots (420 versus 290) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 3 years and 2 months of technical progress since the MX-1 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the RX10 III is the clear winner of the contest (23 : 6 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.

MX-1 06:23 RX10 III

How about other alternatives? Do the specifications of the Pentax MX-1 and the Sony RX10 III place the cameras among the top in their class? Find out in the latest Best Travel-Zoom 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 says little about, for example, the shooting experience and imaging performance of the MX-1 and the RX10 III in practical situations. 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 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax MX-13/5....74/1004/54/5 Jan 2013 499i
2.
 
Sony RX10 III5/5+..84/1004.5/54.5/5 Mar 2016 1,499 i
3.
 
Canon G164/5+....4.5/54.5/5 Aug 2013 549 i
4.
 
Canon S120..+ +....4.5/54.5/5 Aug 2013 449i
5.
 
Canon G154/5+..76/1004.5/54.5/5 Sep 2012 499i
6.
 
Fujifilm X304/5....76/1004.5/54.5/5 Aug 2014 599 i
7.
 
Fujifilm X204/5+ +..77/1004.5/55/5 Jan 2013 599i
8.
 
Fujifilm X10......76/1004/54.5/5 Sep 2011 599i
9.
 
Nikon P78003/5......4/54.5/5 Sep 2013 549i
10.
 
Olympus Stylus 1..+ +....4.5/54.5/5 Oct 2013 699i
11.
 
Olympus XZ-24/5+....4.5/54.5/5 Sep 2012 599i
12.
 
Panasonic LF13/5+....4/54.5/5 Apr 2013 499 i
13.
 
Sony RX10 IV5/5+..84/1004.5/55/5 Sep 2017 1,699 i
14.
 
Sony RX0........3.5/54/5 Aug 2017 699i
15.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999 i
16.
 
Sony RX10 II5/5+ +..82/1004.5/54/5 Jun 2015 1,299i
17.
 
Sony RX105/5+..80/1004.5/54.5/5 Oct 2013 1,299i
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 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.

Pentax MX-1:
Check Ebay offers
Sony RX10 III:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Pentax MX-1 vs Sony RX10 III

    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 MX-1 Sony RX10 III
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 28-112mm f/1.8-2.5 24-600mm f/2.4-4.0
    Launch Date January 2013 March 2016
    Launch Price USD 499 USD 1,499
    Sensor Specs Pentax MX-1 Sony RX10 III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format 1/1.7" Sensor 1" Sensor
    Sensor Size 7.6 x 5.7 mm 13.2 x 8.8 mm
    Sensor Area 43.32 mm2 116.16 mm2
    Sensor Diagonal 9.5 mm 15.9 mm
    Crop Factor 4.5x 2.7x
    Sensor Resolution 12 Megapixels 20 Megapixels
    Image Resolution 4000 x 3000 pixels 5472 x 3648 pixels
    Pixel Pitch 1.89 μm 2.41 μm
    Pixel Density 27.70 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 12,800 ISO 100 - 12,800 ISO
    ISO Boost no Enhancement 64 - 25,600 ISO
    DXO Sensor Quality (score) 49 70
    DXO Color Depth (bits) 20.4 23.1
    DXO Dynamic Range (EV) 11.3 12.6
    DXO Low Light (ISO) 208 472
    Screen Specs Pentax MX-1 Sony RX10 III
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 920k dots 1229k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Pentax MX-1 Sony RX10 III
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 1 shutter flaps/s 14 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Pentax MX-1 Sony RX10 III
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Pentax MX-1 Sony RX10 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type D-LI106 NP-FW50
    Battery Life (CIPA)290 shots per charge420 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 122 x 61 x 51 mm
    (4.8 x 2.4 x 2.0 in)
    133 x 94 x 127 mm
    (5.2 x 3.7 x 5.0 in)
    Camera Weight 391 g (13.8 oz) 1051 g (37.1 oz)
    Pentax MX-1:
    Check Ebay offers
    Sony RX10 III:
    Check Amazon price

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