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Pentax K-S2 vs Sony A6600

The Pentax K-S2 and the Sony Alpha A6600 are two digital cameras that were officially introduced, respectively, in February 2015 and August 2019. The K-S2 is a DSLR, while the A6600 is a mirrorless interchangeable lens camera. Both cameras are equipped with an APS-C sensor. The Pentax has a resolution of 20 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-S2
versus
Sony A6600
Pentax K-S2   Sony A6600
Digital single lens reflex Mirrorless system camera
Pentax K mount lenses Sony E mount lenses
20 MP – APS-C sensor 24 MP – APS-C sensor
1080/30p Video 4K/30p Video
ISO 100-51,200 ISO 100-32,000 (100 - 102,400)
Optical viewfinder Electronic viewfinder (2359k dots)
3.0" LCD – 921k dots 3.0" LCD – 922k dots
Swivel screen (not touch-sensitive) Tilting touchscreen
5.4 shutter flaps per second 11 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
410 shots per battery charge810 shots per battery charge
123 x 91 x 73 mm, 678 g 120 x 67 x 69 mm, 503 g
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Check A6600 price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-S2 and the Sony Alpha A6600? 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 physical size and weight of the Pentax K-S2 and the Sony A6600 are illustrated in the side-by-side display below. 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 measures are rounded to the nearest millimeter.

The K-S2 can be obtained in six different colors (black, grey, pink, orange, green, white), while the A6600 is only available in black.

Size Pentax K-S2 vs Sony A6600
Compare K-S2 versus A6600 top
Comparison K-S2 or A6600 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A6600 is notably smaller (28 percent) than the Pentax K-S2. Moreover, the A6600 is markedly lighter (26 percent) than the K-S2. 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.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the K-S2 gets 410 shots out of its Pentax D-LI109 battery, while the A6600 can take 810 images on a single charge of its Sony NP-FZ100 power pack. The power pack in the A6600 can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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 (USD)
Street
Price
1.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749ebay.com
2.
 
Sony A6600 120 mm 67 mm 69 mm 503 g 810 Y Aug 2019 1,399 amazon.com
3.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699ebay.com
4.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
5.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
6.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 1,099ebay.com
7.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 849ebay.com
8.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 599ebay.com
9.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649ebay.com
10.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099ebay.com
11.
 
Pentax K-S1 121 mm 93 mm 70 mm 558 g 410 n Aug 2014 749ebay.com
12.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 amazon.com
13.
 
Sony A68 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 699ebay.com
14.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399ebay.com
15.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199ebay.com
16.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 1,399ebay.com
17.
 
Sony A6700 122 mm 69 mm 64 mm 493 g 570 Y Jul 2023 1,399 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 naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The K-S2 was launched at a markedly lower price (by 46 percent) than the A6600, 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 size of the sensor inside a digital camera is one of the key determinants 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.

Both cameras under consideration feature an APS-C sensor and have a format factor (sometimes also referred to as "crop factor") of 1.5. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Pentax K-S2 and Sony A6600 sensor measures

While the two cameras under review share the same sensor size, the A6600 offers a higher resolution of 24 megapixels, compared with 20 MP of the K-S2. This megapixels advantage translates into a 10 percent gain in linear resolution. On the other hand, these sensor specs imply that the A6600 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.91μm versus 4.28μm for the K-S2). However, it should be noted that the A6600 is much more recent (by 4 years and 6 months) than the K-S2, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the K-S2 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A6600 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A6600 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-S2 are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The A6600 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Pentax K-S2 has a native sensitivity range from ISO 100 to ISO 51200. The corresponding ISO settings for the Sony Alpha A6600 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 100-102400.

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-S2 versus A6600 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). 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-S2 APS-C 20.0 5472 36481080/30p23.612.9151479
2.
 
Sony A6600 APS-C 24.0 6000 40004K/30p23.813.4149782
3.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p24.113.6199584
4.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
5.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
6.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
7.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.0112979
8.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
9.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
10.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
11.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.0106178
12.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
13.
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179
14.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
15.
 
Sony A77 II APS-C 24.0 6000 40001080/60p24.413.4101382
16.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585
17.
 
Sony A6700 APS-C 25.6 6192 41284K/120p24.314.0232986
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. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A6600 provides a better video resolution than the K-S2. It can shoot movie footage at 4K/30p, while the Pentax is limited to 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A6600 has an electronic viewfinder (2359k dots), while the K-S2 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A6600 has a higher magnification than the one of the K-S2 (0.70x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Pentax K-S2, the Sony A6600, 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-S2optical n3.0 / 921 swivel n 1/6000s 5.4/s Y Y
2.
 
Sony A66002359 n3.0 / 922 tilting Y 1/4000s 11.0/s n Y
3.
 
Fujifilm X-T43690 n3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
4.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
5.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
6.
 
Pentax K-5optical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
7.
 
Pentax K-30optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
8.
 
Pentax K-50optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
9.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
10.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
11.
 
Pentax K-S1optical n3.0 / 921 fixed n 1/6000s 5.4/s Y Y
12.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
13.
 
Sony A681440 Y2.7 / 460 tilting n 1/4000s 8.0/s Y Y
14.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
15.
 
Sony A77 II2359 Y3.0 / 1229 full-flex n 1/8000s 12.0/s Y Y
16.
 
Sony A65002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y Y
17.
 
Sony A67002360 n3.0 / 1037 swivel Y 1/4000s 11.0/s n Y
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 K-S2 has one, while the A6600 does not. While the built-in flash of the K-S2 is not very powerful, it can at times be useful as a fill-in light.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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 A6600 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).

The Pentax K-S2 and the Sony A6600 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 K-S2 writes its imaging data to SDXC cards, while the A6600 uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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-S2 and Sony Alpha A6600 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-S2Ymono / monoY-micro2.0YY-
2.
 
Sony A6600Ystereo / monoYYYES2.0YYY
3.
 
Fujifilm X-T4Ystereo / monoY-micro3.1Y-Y
4.
 
Pentax K-3Ymono / monoYYmini3.0---
5.
 
Pentax K-3 IIYmono / monoYYmini3.0---
6.
 
Pentax K-5Ystereo / monoY-mini2.0---
7.
 
Pentax K-30Ymono / mono---2.0---
8.
 
Pentax K-50Ymono / mono--micro2.0---
9.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
10.
 
Pentax KPYstereo / monoY--2.0Y--
11.
 
Pentax K-S1Ystereo / mono--micro2.0---
12.
 
Sony A7CYstereo / monoYYmicro3.2YYY
13.
 
Sony A68Ystereo / monoY-micro2.0---
14.
 
Sony A77Ystereo / monoY-mini2.0---
15.
 
Sony A77 IIYstereo / monoY-mini2.0YY-
16.
 
Sony A6500Ystereo / monoY-micro2.0YY-
17.
 
Sony A6700Ystereo / monoYYYES3.2YYY

It is notable that the A6600 has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The K-S2 lacks such a headphone port.

The A6600 is a recent model that features in the current product line-up of Sony. In contrast, the K-S2 has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the K-S2 from Pentax. Further information on the features and operation of the K-S2 and A6600 can be found, respectively, in the Pentax K-S2 Manual (free pdf) or the online Sony A6600 Manual.

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Review summary

So how do things add up? Which of the two cameras – the Pentax K-S2 or the Sony A6600 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Pentax K-S2:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/4000s) to freeze action.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (46 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2015).

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Arguments in favor of the Sony Alpha A6600:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.63x).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (11 vs 5.4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (120x67mm vs 123x91mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 175g or 26 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (810 versus 410) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 4 years and 6 months of technical progress since the K-S2 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A6600 is the clear winner of the contest (17 : 7 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

K-S2 07:17 A6600

How about other alternatives? Do the specifications of the Pentax K-S2 and the Sony A6600 place the cameras among the top in their class? Find out in the latest Best DSLR 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the K-S2 or the A6600 perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. 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 (USD)
Street
Price
1.
 
Pentax K-S24.5/5......5/54.5/5 Feb 2015 749ebay.com
2.
 
Sony A66004/5+4/583/1004.5/54/5 Aug 2019 1,399 amazon.com
3.
 
Fujifilm X-T45/5+ +5/588/1005/55/5 Feb 2020 1,699ebay.com
4.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
5.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
6.
 
Pentax K-54/5....83/1005/54.5/5 Sep 2010 1,099ebay.com
7.
 
Pentax K-304/5....78/1004.5/54.5/5 May 2012 849ebay.com
8.
 
Pentax K-505/5......5/54.5/5 Jun 2013 599ebay.com
9.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 649ebay.com
10.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 1,099ebay.com
11.
 
Pentax K-S14/5......4.5/54/5 Aug 2014 749ebay.com
12.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 1,799 amazon.com
13.
 
Sony A683/5......4/54/5 Nov 2015 699ebay.com
14.
 
Sony A775/591/100..81/100..5/5 Aug 2011 1,399ebay.com
15.
 
Sony A77 II4/5....80/1004.5/55/5 May 2014 1,199ebay.com
16.
 
Sony A65005/5+ +3.5/585/1004.5/54.5/5 Oct 2016 1,399ebay.com
17.
 
Sony A67004.5/5+4.5/588/1004.5/54.5/5 Jul 2023 1,399 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. 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 are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes 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-S2 vs Sony A6600

    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-S2 Sony A6600
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax K mount lenses Sony E mount lenses
    Launch Date February 2015 August 2019
    Launch Price USD 749 USD 1,399
    Sensor Specs Pentax K-S2 Sony A6600
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.5 x 15.6 mm 23.5 x 15.6 mm
    Sensor Area 366.6 mm2 366.6 mm2
    Sensor Diagonal 28.2 mm 28.2 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 4.28 μm 3.91 μm
    Pixel Density 5.45 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 51,200 ISO 100 - 32,000 ISO
    ISO Boost no Enhancement 100 - 102,400 ISO
    Image Processor PRIME MII BIONZ X
    DXO Sensor Quality (score) .. 82
    DXO Color Depth (bits) .. 23.8
    DXO Dynamic Range (EV) .. 13.4
    DXO Low Light (ISO) .. 1497
    Screen Specs Pentax K-S2 Sony A6600
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.70x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 922k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-S2 Sony A6600
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/6000s 1/4000s
    Continuous Shooting 5.4 shutter flaps/s 11 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-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 Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Pentax K-S2 Sony A6600
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI YES HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Pentax K-S2 Sony A6600
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Pentax D-LI109 Sony NP-FZ100
    Battery Life (CIPA)410 shots per charge810 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 123 x 91 x 73 mm
    (4.8 x 3.6 x 2.9 in)
    120 x 67 x 69 mm
    (4.7 x 2.6 x 2.7 in)
    Camera Weight 678 g (23.9 oz) 503 g (17.7 oz)
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