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Pentax WG-8 vs Sony A7R IIIA

The Pentax WG-8 and the Sony Alpha A7R IIIA are two digital cameras that were announced, respectively, in June 2024 and April 2021. The WG-8 is a fixed lens compact, while the A7R IIIA is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (WG-8) and a full frame (A7R IIIA) sensor. The Pentax has a resolution of 20.2 megapixels, whereas the Sony provides 42.2 MP.

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

Headline Specifications
Pentax WG-8
versus
Sony A7R IIIA
Pentax WG-8   Sony A7R IIIA
Fixed lens compact camera Mirrorless system camera
28-140mm f/3.5-5.5 Sony E mount lenses
20.2 MP – 1/2.3" sensor 42.2 MP – Full Frame sensor
4K/30p Video 4K/30p Video
ISO 125-6,400 ISO 100-32,000 (50 - 102,400)
No viewfinder, LCD framing Electronic viewfinder (3686k dots)
3.0" LCD – 1040k dots 3.0" LCD – 2340k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
8 shutter flaps per second 10 shutter flaps per second
no shake reductionIn-body stabilization
Waterproof body (20m)Weathersealed body
340 shots per battery charge650 shots per battery charge
118 x 66 x 33 mm, 242 g 127 x 96 x 74 mm, 650 g
logo
Check WG-8 price at
amazon.com
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Check A7R IIIA price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax WG-8 and the Sony Alpha A7R IIIA? 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

An illustration of the physical size and weight of the Pentax WG-8 and the Sony A7R IIIA is provided in the side-by-side display below. 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.

The WG-8 can be obtained in two different colors (black, green), while the A7R IIIA is only available in black.

Size Pentax WG-8 vs Sony A7R IIIA
Compare WG-8 versus A7R IIIA top
Comparison WG-8 or A7R IIIA rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R IIIA is considerably larger (57 percent) than the Pentax WG-8. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments. More than that, the WG-8 is water-proof up to 20m and can, thus, be used for underwater photography.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the WG-8 has a lens built in, whereas the A7R IIIA is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the A7R IIIA and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the WG-8 gets 340 shots out of its Ricoh DB-110 battery, while the A7R IIIA can take 650 images on a single charge of its Sony NP-FZ100 power pack. The power pack in the A7R IIIA 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
Street
Price
1.
 
Pentax WG-8 118 mm 66 mm 33 mm 242 g 340 Y Jun 2024 EUR 479 amazon.com
2.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 EUR 3 499 amazon.com
3.
 
Canon SX720 110 mm 64 mm 36 mm 270 g 250 n Feb 2016 EUR 329ebay.com
4.
 
Nikon W300 112 mm 66 mm 29 mm 231 g 280 Y May 2017 EUR 449ebay.com
5.
 
Panasonic FT7 117 mm 76 mm 37 mm 319 g 300 Y May 2018 EUR 429ebay.com
6.
 
Pentax WG-1000 116 mm 69 mm 51 mm 220 g 300 Y Jun 2024 EUR 249 amazon.com
7.
 
Ricoh WG-6 118 mm 66 mm 33 mm 246 g 340 Y Feb 2019 EUR 399 amazon.com
8.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 EUR 7 299 amazon.com
9.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 EUR 3 499ebay.com
10.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 EUR 3 499ebay.com
11.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 EUR 3 999ebay.com
12.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 EUR 4 199 amazon.com
13.
 
Sony HX80 102 mm 58 mm 36 mm 245 g 390 n Mar 2016 EUR 449ebay.com
14.
 
Sony HX95 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 EUR 499ebay.com
15.
 
Sony HX99 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 EUR 519ebay.com
16.
 
Sony WX800 102 mm 58 mm 36 mm 233 g 370 n Oct 2018 EUR 399ebay.com
17.
 
Sony ZV-1 II 106 mm 60 mm 47 mm 292 g 290 n May 2023 EUR 999 amazon.com
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 WG-8 was launched at a lower price than the A7R IIIA, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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. 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 WG-8 features a 1/2.3-inch sensor and the Sony A7R IIIA a full frame sensor. The sensor area in the A7R IIIA is 2979 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.0. The sensor in the WG-8 has a native 4:3 aspect ratio, while the one in the A7R IIIA offers a 3:2 aspect.

Pentax WG-8 and Sony A7R IIIA sensor measures

With 42.2MP, the A7R IIIA offers a higher resolution than the WG-8 (20.2MP), but the A7R IIIA nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 1.18μm for the WG-8) due to its larger sensor. However, the WG-8 is a much more recent model (by 3 years and 1 month) than the A7R IIIA, 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 Sony A7R IIIA implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R IIIA for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Pentax WG-8 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.

The A7R IIIA has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the WG-8, the A7R IIIA 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 WG-8 has a native sensitivity range from ISO 125 to ISO 6400. The corresponding ISO settings for the Sony Alpha A7R IIIA are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

In terms of underlying technology, the WG-8 is build around a CMOS sensor, while the A7R IIIA 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.

WG-8 versus A7R IIIA 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 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 WG-8 1/2.3 20.2 5184 38884K/30p20.912.8162654
2.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
3.
 
Canon SX720 1/2.3 20.2 5184 38881080/60p20.311.881748
4.
 
Nikon W300 1/2.3 15.9 4608 34564K/30p20.512.093850
5.
 
Panasonic FT7 1/2.3 20.2 5184 38884K/30p20.612.1102851
6.
 
Pentax WG-1000 1/2.3 15.9 4608 34561080/30p20.912.8162654
7.
 
Ricoh WG-6 1/2.3 20.2 5184 38884K/30p20.712.2110452
8.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
9.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
10.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
11.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
12.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
13.
 
Sony HX80 1/2.3 18.0 4896 36721080/60p20.411.882248
14.
 
Sony HX95 1/2.3 18.0 4896 36724K/30p20.612.1105751
15.
 
Sony HX99 1/2.3 18.0 4896 36724K/30p20.612.1105851
16.
 
Sony WX800 1/2.3 18.0 4896 36724K/30p20.612.2107051
17.
 
Sony ZV-1 II 1-inch 20.0 5472 36484K/30p22.312.996567
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, and both provide the same movie specifications (4K/30p).

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7R IIIA has an electronic viewfinder (3686k dots), which can be very helpful when shooting in bright sunlight. In contrast, the WG-8 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 WG-8, the Sony A7R IIIA, 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 WG-8none n3.0 / 1040 fixed n 1/4000s 8.0/s Y n
2.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
3.
 
Canon SX720none n3.0 / 922 fixed n 1/3200s 5.9/s Y Y
4.
 
Nikon W300none n3.0 / 921 fixed n 1/4000s 7.0/s Y Y
5.
 
Panasonic FT71170 n3.0 / 1040 fixed n 1/1300s 10.0/s Y Y
6.
 
Pentax WG-1000none n2.7 / 230 fixed n 1/2000s 8.0/s Y n
7.
 
Ricoh WG-6none n3.0 / 1040 fixed n 1/4000s 1.0/s Y n
8.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
9.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
10.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
11.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
12.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
13.
 
Sony HX80638 n3.0 / 922 tilting n 1/2000s 10.0/s Y Y
14.
 
Sony HX95638 n3.0 / 922 tilting n 1/2000s 10.0/s Y Y
15.
 
Sony HX99638 n3.0 / 922 tilting Y 1/2000s 10.0/s Y Y
16.
 
Sony WX800none n3.0 / 922 tilting Y 1/2000s 10.0/s Y Y
17.
 
Sony ZV-1 IInone n3.0 / 922 swivel Y 1/2000s 24.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The WG-8 has one, while the A7R IIIA does not. While the built-in flash of the WG-8 is not very powerful, it can at times be useful as a fill-in light.

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, both cameras under consideration feature an 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).

The Pentax WG-8 and the Sony A7R IIIA both have 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 WG-8 writes its imaging data to SDXC cards, while the A7R IIIA uses SDXC or Memory Stick PRO Duo cards. The A7R IIIA features dual card slots, which can be very useful in case a memory card fails. In contrast, the WG-8 only has one slot. The A7R IIIA supports UHS-II cards on its first slot and UHS-I on its second one, while the WG-8 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 WG-8 and Sony Alpha A7R IIIA 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 WG-8-mono / mono---3.0---
2.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
3.
 
Canon SX720-stereo / mono--micro2.0YY-
4.
 
Nikon W300-stereo / mono--micro2.0Y-Y
5.
 
Panasonic FT7-stereo / mono--micro2.0Y--
6.
 
Pentax WG-1000-mono / mono---2.0---
7.
 
Ricoh WG-6-mono / mono--micro3.0---
8.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
9.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
10.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
11.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
12.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
13.
 
Sony HX80-stereo / mono--micro2.0YY-
14.
 
Sony HX95-stereo / mono--micro2.0YYY
15.
 
Sony HX99-stereo / mono--micro2.0YYY
16.
 
Sony WX800-stereo / mono--micro2.0YY-
17.
 
Sony ZV-1 IIYstereo / monoY-micro2.0Y-Y

It is notable that the A7R IIIA offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the WG-8 does not provide wifi capability.

Studio photographers will appreciate that the Sony A7R IIIA (unlike the WG-8) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the WG-8 and the A7R IIIA are recent models that are part of the current product line-up. The A7R IIIA replaced the earlier Sony A7R II, while the WG-8 does not have a direct predecessor. 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.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Pentax WG-8 or the Sony A7R IIIA – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Pentax WG-8:

  • Ready to shoot: Has a lens built-in, whereas the A7R IIIA requires a separate lens.
  • More compact: Is smaller (118x66mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7R IIIA).
  • Water-proof: Is rugged and sealed and can thus be used for underwater photography (up to 20m).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 3 years and 1 month of technical progress since the A7R IIIA launch.

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Reasons to prefer the Sony Alpha A7R IIIA:

  • More detail: Has more megapixels (42.2 vs 20.2MP), which boosts linear resolution by 48%.
  • 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 live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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.
  • More detailed LCD: Has a higher resolution rear screen (2340k vs 1040k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 8 flaps/sec) to capture the decisive moment.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (650 versus 340) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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: Supports Ultra High Speed (UHS-II and UHS-I) SDXC cards.
  • More heavily discounted: Has been around for much longer (launched in April 2021).

If the number of relative strengths (bullet points above) is taken as a guide, the A7R IIIA is the clear winner of the contest (27 : 7 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 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.

WG-8 07:27 A7R IIIA

How about other alternatives? Do the specifications of the Pentax WG-8 and the Sony A7R IIIA place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens 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 says little about, for example, the shooting experience and imaging performance of the WG-8 and the A7R IIIA 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 WG-8............ Jun 2024 EUR 479 amazon.com
2.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 EUR 3 499 amazon.com
3.
 
Canon SX720..+....4/54.5/5 Feb 2016 EUR 329ebay.com
4.
 
Nikon W300..+....4/54/5 May 2017 EUR 449ebay.com
5.
 
Panasonic FT7..+....3.5/53.5/5 May 2018 EUR 429ebay.com
6.
 
Pentax WG-1000............ Jun 2024 EUR 249 amazon.com
7.
 
Ricoh WG-6........3.5/53.5/5 Feb 2019 EUR 399 amazon.com
8.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 EUR 7 299 amazon.com
9.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 EUR 3 499ebay.com
10.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 EUR 3 499ebay.com
11.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 EUR 3 999ebay.com
12.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 EUR 4 199 amazon.com
13.
 
Sony HX80............ Mar 2016 EUR 449ebay.com
14.
 
Sony HX95............ Aug 2018 EUR 499ebay.com
15.
 
Sony HX99........4/54.5/5 Aug 2018 EUR 519ebay.com
16.
 
Sony WX800............ Oct 2018 EUR 399ebay.com
17.
 
Sony ZV-1 II4.5/5..3.5/583/1003.5/54.5/5 May 2023 EUR 999 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Check WG-8 price at
amazon.com
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Check A7R IIIA price at
amazon.com

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 WG-8 vs Sony A7R IIIA

    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 WG-8 Sony A7R IIIA
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28-140mm f/3.5-5.5 Sony E mount lenses
    Launch Date June 2024 April 2021
    Launch Price USD 399 USD 3,199
    Sensor Specs Pentax WG-8 Sony A7R IIIA
    Sensor Technology CMOS BSI-CMOS
    Sensor Format 1/2.3" Sensor Full Frame Sensor
    Sensor Size 6.17 x 4.55 mm 35.9 x 24.0 mm
    Sensor Area 28.0735 mm2 861.6 mm2
    Sensor Diagonal 7.7 mm 43.2 mm
    Crop Factor 5.6x 1.0x
    Sensor Resolution 20.2 Megapixels 42.2 Megapixels
    Image Resolution 5184 x 3888 pixels 7952 x 5304 pixels
    Pixel Pitch 1.18 μm 4.52 μm
    Pixel Density 71.80 MP/cm2 4.90 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 125 - 6,400 ISO 100 - 32,000 ISO
    ISO Boost no Enhancement 50 - 102,400 ISO
    DXO Sensor Quality (score) .. 100
    DXO Color Depth (bits) .. 26.0
    DXO Dynamic Range (EV) .. 14.7
    DXO Low Light (ISO) .. 3523
    Screen Specs Pentax WG-8 Sony A7R IIIA
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 2340k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax WG-8 Sony A7R IIIA
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/4000sYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no Single UHS-II
    Connectivity Specs Pentax WG-8 Sony A7R IIIA
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.0 USB 3.2
    HDMI Port no 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
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Pentax WG-8 Sony A7R IIIA
    Environmental SealingWaterproof body (20m)Weathersealed body
    Battery Type Ricoh DB-110 Sony NP-FZ100
    Battery Life (CIPA)340 shots per charge650 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 118 x 66 x 33 mm
    (4.6 x 2.6 x 1.3 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 242 g (8.5 oz) 650 g (22.9 oz)
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