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Pentax K-S2 vs Zeiss ZX1

The Pentax K-S2 and the Zeiss ZX1 are two digital cameras that were announced, respectively, in February 2015 and September 2018. The K-S2 is a DSLR, while the ZX1 is a fixed lens compact. The cameras are based on an APS-C (K-S2) and a full frame (ZX1) sensor. The Pentax has a resolution of 20 megapixels, whereas the Zeiss provides 37.4 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
Zeiss ZX1
Pentax K-S2   Zeiss ZX1
Digital single lens reflex Fixed lens compact camera
Pentax K mount lenses 35mm f/2.8
20 MP – APS-C sensor 37.4 MP – Full Frame sensor
1080/30p Video 4K/30p Video
ISO 100-51,200 ISO 80-51,200
Optical viewfinder Electronic viewfinder (6221k dots)
3.0" LCD – 921k dots 4.3" LCD – 2765k dots
Swivel screen (not touch-sensitive) Fixed touchscreen
5.4 shutter flaps per second 3 shutter flaps per second
In-body stabilizationno shake reduction
Weathersealed bodynot weather sealed
410 shots per battery charge250 shots per battery charge
123 x 91 x 73 mm, 678 g 142 x 93 x 46 mm, 800 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-S2 and the Zeiss ZX1? 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-S2 and the Zeiss ZX1. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

The K-S2 can be obtained in six different colors (black, grey, pink, orange, green, white), while the ZX1 is only available in black.

Size Pentax K-S2 vs Zeiss ZX1
Compare K-S2 versus ZX1 top
Comparison K-S2 or ZX1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Zeiss ZX1 is notably larger (18 percent) than the Pentax K-S2. It is worth mentioning in this context that the K-S2 is splash and dust resistant, while the ZX1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the ZX1 has a lens built in, whereas the K-S2 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-S2 gets 410 shots out of its Pentax D-LI109 battery, while the ZX1 can take 250 images on a single charge of its Zeiss DD-PS1A power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 EUR 699ebay.com
2.
 
Zeiss ZX1 142 mm 93 mm 46 mm 800 g 250 n Sep 2018 EUR 5 999ebay.com
3.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 EUR 4 799 amazon.com
4.
 
Leica V-LUX 5 136 mm 97 mm 131 mm 812 g 350 n Jul 2019 EUR 1 199 amazon.com
5.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 EUR 1 999ebay.com
6.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 EUR 899ebay.com
7.
 
Panasonic FZ1000 II 136 mm 97 mm 131 mm 810 g 350 n Feb 2019 EUR 849 amazon.com
8.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 EUR 1 299ebay.com
9.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 EUR 999ebay.com
10.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 EUR 999ebay.com
11.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 EUR 899ebay.com
12.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 EUR 699ebay.com
13.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 EUR 1 299ebay.com
14.
 
Pentax K-S1 121 mm 93 mm 70 mm 558 g 410 n Aug 2014 EUR 699ebay.com
15.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 EUR 2 099ebay.com
16.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 EUR 1 199ebay.com
17.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 EUR 1 299ebay.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. 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 imaging sensor is a crucial determinant 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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-S2 features an APS-C sensor and the Zeiss ZX1 a full frame sensor. The sensor area in the ZX1 is 135 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-S2 and Zeiss ZX1 sensor measures

With 37.4MP, the ZX1 offers a higher resolution than the K-S2 (20MP), but the ZX1 nevertheless has larger individual pixels (pixel pitch of 4.81μm versus 4.28μm for the K-S2) due to its larger sensor. Moreover, the ZX1 is a much more recent model (by 3 years and 7 months) than the K-S2, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. 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 Zeiss ZX1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the ZX1 for good quality output (200 dots per inch) amounts to 37.4 x 25 inches or 95.1 x 63.4 cm, for very good quality (250 dpi) 30 x 20 inches or 76.1 x 50.7 cm, and for excellent quality (300 dpi) 25 x 16.6 inches or 63.4 x 42.3 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 Pentax K-S2 has a native sensitivity range from ISO 100 to ISO 51200. The corresponding ISO settings for the Zeiss ZX1 are ISO 80 to ISO 51200 (no boost).

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 ZX1 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"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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.
 
Zeiss ZX1 Full Frame 37.4 7488 49924K/30p25.214.1275994
3.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
4.
 
Leica V-LUX 5 1-inch 20.0 5472 36484K/30p22.212.458465
5.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
6.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
7.
 
Panasonic FZ1000 II 1-inch 20.0 5472 36484K/30p22.112.454665
8.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
9.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
10.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
11.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.0112979
12.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
13.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
14.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.0106178
15.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
16.
 
Sony A77 II APS-C 24.0 6000 40001080/60p24.413.4101382
17.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p22.112.347864
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 are equipped with sensors that have a sufficiently high read-out speed for moving images, but the ZX1 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

Apart from body and sensor, cameras can and do differ across a range of features. For example, the ZX1 has an electronic viewfinder (6221k 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 ZX1 has a higher magnification than the one of the K-S2 (0.74x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Pentax K-S2 and Zeiss ZX1 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-S2optical n3.0 / 921 swivel n 1/6000s 5.4/s Y Y
2.
 
Zeiss ZX16221 n4.3 / 2765 fixed Y 1/1000s 3.0/s n n
3.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
4.
 
Leica V-LUX 52360 n3.0 / 1240 swivel Y 1/4000s 12.0/s Y Y
5.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
6.
 
Panasonic FZ10002359 n3.0 / 921 swivel n 1/4000s 12.0/s Y Y
7.
 
Panasonic FZ1000 II2360 n3.0 / 1240 swivel Y 1/4000s 12.0/s Y Y
8.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
9.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
10.
 
Pentax K-5optical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
11.
 
Pentax K-30optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
12.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
13.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
14.
 
Pentax K-S1optical n3.0 / 921 fixed n 1/6000s 5.4/s Y Y
15.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A77 II2359 Y3.0 / 1229 full-flex n 1/8000s 12.0/s Y Y
17.
 
Sony RX100 VI2359 n3.0 / 1229 tilting Y 1/2000s 24.0/s Y 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 ZX1 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.

The K-S2 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the ZX1 does not have a selfie-screen.

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 ZX1 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 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-S2 writes its imaging data to SDXC cards, while the ZX1 uses an internal SSD.

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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 Zeiss ZX1 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.
 
Zeiss ZX1Ystereo / mono---3.1YYY
3.
 
Leica Q2Ystereo / mono----Y-Y
4.
 
Leica V-LUX 5Ystereo / mono--micro2.0Y-Y
5.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
6.
 
Panasonic FZ1000Ystereo / monoY-micro2.0YY-
7.
 
Panasonic FZ1000 IIYstereo / monoY-micro2.0Y-Y
8.
 
Pentax K-3Ymono / monoYYmini3.0---
9.
 
Pentax K-3 IIYmono / monoYYmini3.0---
10.
 
Pentax K-5Ystereo / monoY-mini2.0---
11.
 
Pentax K-30Ymono / mono---2.0---
12.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
13.
 
Pentax KPYstereo / monoY--2.0Y--
14.
 
Pentax K-S1Ystereo / mono--micro2.0---
15.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A77 IIYstereo / monoY-mini2.0YY-
17.
 
Sony RX100 VI-stereo / mono--micro2.0YYY

It is notable that the K-S2 has a microphone port, which is missing on the ZX1. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Both the K-S2 and the ZX1 have been discontinued, but can regularly be found used on ebay. Neither of the two has a direct successor, so they represent the end of the respective camera lines from Pentax and Zeiss. Further information on the features and operation of the K-S2 and ZX1 can be found, respectively, in the Pentax K-S2 Manual (free pdf) or the online Zeiss ZX1 Manual.

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Review summary

So what is the bottom line? Is the Pentax K-S2 better than the Zeiss ZX1 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Pentax K-S2:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • 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.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/1000s) to freeze action.
  • Faster burst: Shoots at higher frequency (5.4 vs 3 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.
  • More compact: Is smaller (123x91mm vs 142x93mm) and thus needs less room in the bag.
  • Longer lasting: Can take more shots (410 versus 250) 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.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More heavily discounted: Has been available for much longer (launched in February 2015).

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Arguments in favor of the Zeiss ZX1:

  • More detail: Has more megapixels (37.4 vs 20MP), which boosts linear resolution by 37%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.63x).
  • Larger screen: Has a bigger rear LCD (4.3" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2765k vs 921k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Comes with an integrated lens, while the K-S2 requires a separate lens.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More prestigious: Has the Zeiss luxury appeal, which ensures a high resale value.
  • More modern: Reflects 3 years and 7 months of technical progress since the K-S2 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the ZX1 emerges as the winner of the match-up (18 : 15 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.

K-S2 15:18 ZX1

How about other alternatives? Do the specifications of the Pentax K-S2 and the Zeiss ZX1 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the K-S2 or the ZX1. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Pentax K-S24.5/5......5/54.5/5 Feb 2015 EUR 699ebay.com
2.
 
Zeiss ZX13/5....83/1004/54/5 Sep 2018 EUR 5 999ebay.com
3.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 EUR 4 799 amazon.com
4.
 
Leica V-LUX 5........4/54/5 Jul 2019 EUR 1 199 amazon.com
5.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 EUR 1 999ebay.com
6.
 
Panasonic FZ10004/5+ +..82/1004.5/54.5/5 Jun 2014 EUR 899ebay.com
7.
 
Panasonic FZ1000 II......83/1004.5/54.5/5 Feb 2019 EUR 849 amazon.com
8.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 EUR 1 299ebay.com
9.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 EUR 999ebay.com
10.
 
Pentax K-54/5....83/1005/54.5/5 Sep 2010 EUR 999ebay.com
11.
 
Pentax K-304/5....78/1004.5/54.5/5 May 2012 EUR 899ebay.com
12.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 EUR 699ebay.com
13.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 EUR 1 299ebay.com
14.
 
Pentax K-S14/5......4.5/54/5 Aug 2014 EUR 699ebay.com
15.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 EUR 2 099ebay.com
16.
 
Sony A77 II4/5....80/1004.5/55/5 May 2014 EUR 1 199ebay.com
17.
 
Sony RX100 VI4.5/5+ +..83/1004/54.5/5 Jun 2018 EUR 1 299ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Pentax K-S2 vs Zeiss ZX1

    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 Zeiss ZX1
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Pentax K mount lenses 35mm f/2.8
    Launch Date February 2015 September 2018
    Launch Price USD 749 USD 5,999
    Sensor Specs Pentax K-S2 Zeiss ZX1
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 36.0 x 24.0 mm
    Sensor Area 366.6 mm2 864 mm2
    Sensor Diagonal 28.2 mm 43.3 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 20 Megapixels 37.4 Megapixels
    Image Resolution 5472 x 3648 pixels 7488 x 4992 pixels
    Pixel Pitch 4.28 μm 4.81 μm
    Pixel Density 5.45 MP/cm2 4.33 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 51,200 ISO 80 - 51,200 ISO
    Screen Specs Pentax K-S2 Zeiss ZX1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.74x
    Viewfinder Resolution 6221k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 4.3inch
    LCD Resolution 921k dots 2765k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-S2 Zeiss ZX1
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 5.4 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationno handshake reduction
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SSD cards
    Single or Dual Card Slots Single card slot Single SSD
    Connectivity Specs Pentax K-S2 Zeiss ZX1
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    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 Zeiss ZX1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Pentax D-LI109 Zeiss DD-PS1A
    Battery Life (CIPA)410 shots per charge250 shots per charge
    Body Dimensions 123 x 91 x 73 mm
    (4.8 x 3.6 x 2.9 in)
    142 x 93 x 46 mm
    (5.6 x 3.7 x 1.8 in)
    Camera Weight 678 g (23.9 oz) 800 g (28.2 oz)
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    Check K-S2 offers at
    ebay.com
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    Check ZX1 offers at
    ebay.com

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