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Panasonic S5 vs Pentax K-S1

The Panasonic Lumix DC-S5 and the Pentax K-S1 are two digital cameras that were officially introduced, respectively, in September 2020 and August 2014. The S5 is a mirrorless interchangeable lens camera, while the K-S1 is a DSLR. The cameras are based on a full frame (S5) and an APS-C (K-S1) sensor. The Panasonic has a resolution of 24 megapixels, whereas the Pentax provides 20 MP.

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

Headline Specifications
Panasonic S5
versus
Pentax K-S1
Panasonic S5 Pentax K-S1
Mirrorless system camera Digital single lens reflex
Leica L mount lenses Pentax K mount lenses
24 MP, Full Frame Sensor 20 MP, APS-C Sensor
4K/60p Video 1080/30p Video
ISO 100-51,200 (50 - 204,800) ISO 100-51,200
Electronic viewfinder (2360k dots) Optical viewfinder
3.0 LCD, 1840k dots 3.0 LCD, 921k dots
Fully flexible touchscreen Fixed screen (not touch-sensitive)
7 shutter flaps per second 5.4 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodynot weather sealed
440 shots per battery charge410 shots per battery charge
133 x 98 x 82 mm, 714 g 121 x 93 x 70 mm, 558 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DC-S5 and the Pentax K-S1? 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

An illustration of the physical size and weight of the Panasonic S5 and the Pentax K-S1 is provided 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 size dimensions are rounded to the nearest millimeter.

The K-S1 can be obtained in four different colors (black, grey, orange, white), while the S5 is only available in black.

Size Panasonic S5 vs Pentax K-S1
Compare S5 versus K-S1 top
Comparison S5 or K-S1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-S1 is notably smaller (14 percent) than the Panasonic S5. Moreover, the K-S1 is markedly lighter (22 percent) than the S5. It is worth mentioning in this context that the S5 is splash and dust resistant, while the K-S1 does not feature any corresponding weather-sealing.

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 S5 gets 440 shots out of its DMW-BLK22 battery, while the K-S1 can take 410 images on a single charge of its D-LI109 power pack. The power pack in the S5 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 i
2.
 
Pentax K-S1 121 mm 93 mm 70 mm 558 g 410 n Aug 2014 749 i
3.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 i
4.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699 i
5.
 
Nikon D780 144 mm 116 mm 76 mm 840 g 2260 Y Jan 2020 2,299 i
6.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 1,999 i
7.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 799 i
8.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 i
9.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 i
10.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 i
11.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749 i
12.
 
Pentax K-500 130 mm 97 mm 71 mm 646 g 710 n Jun 2013 549 i
13.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299 i
14.
 
Sigma fp 113 mm 70 mm 45 mm 422 g 280 Y Jul 2019 1,899 i
15.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 i
16.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
17.
 
Sony A68 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 699 i
Notes: 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. The K-S1 was launched at a markedly lower price (by 63 percent) than the S5, which puts it into a different market segment. 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.

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Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic S5 features a full frame sensor and the Pentax K-S1 an APS-C sensor. The sensor area in the K-S1 is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of underlying technology, both cameras are build around CMOS sensors.

Panasonic S5 and Pentax K-S1 sensor measures

With 24MP, the S5 offers a higher resolution than the K-S1 (20MP), but the S5 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 4.28μm for the K-S1) due to its larger sensor. Moreover, the S5 is a much more recent model (by 6 years) than the K-S1, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. 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 Panasonic S5 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S5 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-S1 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.

Unlike the K-S1, the S5 has the capacity to capture high quality composite images (96MP) 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 Panasonic Lumix DC-S5 has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-204800. The corresponding ISO settings for the Pentax K-S1 are ISO 100 to ISO 51200 (no boost).

S5 versus K-S1 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p...... ..
2.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.01061 78
3.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.33394 90
4.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p...... ..
5.
 
Nikon D780 Full Frame 24.3 6048 40244K/30p...... ..
6.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p...... ..
7.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.91338 83
8.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.53333 95
9.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525 100
10.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p...... ..
11.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p...... ..
12.
 
Pentax K-500 APS-C 16.1 4928 32641080/30p23.713.11087 79
13.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.41216 80
14.
 
Sigma fp Full Frame 24.0 6000 40004K/30p...... ..
15.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.03434 93
16.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.73730 96
17.
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.5701 79

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the S5 provides a higher video resolution than the K-S1. It can shoot video footage at 4K/60p, 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 S5 has an electronic viewfinder (2360k dots), while the K-S1 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 S5 has a higher magnification than the one of the K-S1 (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 table below summarizes some of the other core capabilities of the Panasonic S5 and Pentax K-S1 in connection with corresponding information for a sample of similar cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Panasonic S52360 n 3.0 1840 full-flex Y 1/8000s 7.0 n Y
2.
 
Pentax K-S1optical n 3.0 921 fixed n 1/6000s 5.4 Y Y
3.
 
Canon R63690 n 3.0 1620 swivel Y 1/8000s 12.0 n Y
4.
 
Fujifilm X-T43690 n 3.0 1620 swivel Y 1/8000s 15.0 n Y
5.
 
Nikon D780optical Y 3.2 2359 tilting Y 1/8000s 12.0 n n
6.
 
Nikon Z6 II3690 Y 3.2 2100 tilting Y 1/8000s 14.0 n Y
7.
 
Nikon D5300optical n 3.2 1037 swivel n 1/4000s 5.0 Y n
8.
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y
9.
 
Panasonic S1R5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y
10.
 
Panasonic S1H5760 Y 3.2 2330 swivel Y 1/8000s 9.0 n Y
11.
 
Pentax K-S2optical n 3.0 921 swivel n 1/6000s 5.4 Y Y
12.
 
Pentax K-500optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
13.
 
Pentax K-3optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y
14.
 
Sigma fpoptional n 3.2 2100 fixed Y 1/8000s 12.0 n n
15.
 
Sony A9 II3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
16.
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y
17.
 
Sony A681440 Y 2.7 460 tilting n 1/4000s 8.0 Y Y

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The S5 has a touchscreen, while the K-S1 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The S5 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 K-S1 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 S5 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 Panasonic S5 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.

Concerning the storage of imaging data, both the S5 and the K-S1 write their files to SDXC cards. The S5 features dual card slots, which can be very useful in case a memory card fails. In contrast, the K-S1 only has one slot. The S5 supports UHS-II cards (on its first slot), while the K-S1 can use UHS-I 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 Panasonic Lumix DC-S5 and Pentax K-S1 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic S5YstereomonoYYmicro3.2Y-Y
2.
 
Pentax K-S1Ystereomono--micro2.0---
3.
 
Canon R6YmonomonoYYmicro3.2Y-Y
4.
 
Fujifilm X-T4YstereomonoY-micro3.1Y-Y
5.
 
Nikon D780YstereomonoYYmini3.1Y-Y
6.
 
Nikon Z6 IIYstereomonoYYmicro3.2Y-Y
7.
 
Nikon D5300YstereomonoY-mini2.0Y--
8.
 
Panasonic S1YstereomonoYYfull3.1Y-Y
9.
 
Panasonic S1RYstereomonoYYfull3.1Y-Y
10.
 
Panasonic S1HYstereomonoYYfull3.1Y-Y
11.
 
Pentax K-S2YmonomonoY-micro2.0YY-
12.
 
Pentax K-500Ymonomono---2.0---
13.
 
Pentax K-3YmonomonoYYmini3.0---
14.
 
Sigma fpYstereomonoY-micro3.1---
15.
 
Sony A9 IIYstereomonoYYmicro3.1YYY
16.
 
Sony A7 IIIYstereomonoYYmicro3.1YYY
17.
 
Sony A68YstereomonoY-micro2.0---

It is notable that the S5 has a microphone port, which is missing on the K-S1. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

The S5 is a recent model that features in the current product line-up of Panasonic. In contrast, the K-S1 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the K-S1 was succeeded by the Pentax K-S2. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Pentax websites.

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Review summary

So what is the bottom line? Is there a clear favorite between the Panasonic S5 and the Pentax K-S1? Which camera is better? The listing below highlights the relative strengths of the two models.

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Advantages of the Panasonic Lumix DC-S5:

  • More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features a larger and more technologically advanced imaging 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/60p 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.
  • 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).
  • More detailed LCD: Has a higher resolution rear screen (1840k vs 921k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/6000s) to freeze action.
  • Faster burst: Shoots at higher frequency (7 vs 5.4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 6 years of technical progress since the K-S1 launch.

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Reasons to prefer the Pentax K-S1:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More compact: Is smaller (121x93mm vs 133x98mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 156g or 22 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (63 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in August 2014).

If the count of individual advantages (bullet points above) is taken as a guide, the S5 is the clear winner of the match-up (28 : 6 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

S5 28:06 K-S1

How about other alternatives? Do the specifications of the Panasonic S5 and the Pentax K-S1 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 S5 or the K-S1 perform in practice. 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], 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 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic S54.5/5+ +88/1004.5/54.5/5 Sep 2020 1,999 i
2.
 
Pentax K-S14/5....4.5/54/5 Aug 2014 749 i
3.
 
Canon R65/5+ +90/1004.5/55/5 Jul 2020 2,499 i
4.
 
Fujifilm X-T45/5+ +..5/55/5 Feb 2020 1,699 i
5.
 
Nikon D7805/5..87/1004.5/54.5/5 Jan 2020 2,299 i
6.
 
Nikon Z6 II4.5/5..89/1004.5/54.5/5 Oct 2020 1,999 i
7.
 
Nikon D53004/5+ +79/1004.5/54.5/5 Oct 2013 799 i
8.
 
Panasonic S14.5/5+ +88/1004.5/54/5 Feb 2019 2,499 i
9.
 
Panasonic S1R4.5/5..89/1004.5/54.5/5 Feb 2019 3,699 i
10.
 
Panasonic S1H....90/100.... May 2019 3,999 i
11.
 
Pentax K-S24.5/5....5/54.5/5 Feb 2015 749 i
12.
 
Pentax K-500......4.5/54.5/5 Jun 2013 549 i
13.
 
Pentax K-34/5..83/1005/55/5 Oct 2013 1,299 i
14.
 
Sigma fp4/5....4/54.5/5 Jul 2019 1,899 i
15.
 
Sony A9 II....90/1005/55/5 Oct 2019 4,499 i
16.
 
Sony A7 III..+ +89/1005/55/5 Feb 2018 1,999 i
17.
 
Sony A683/5....4/54/5 Nov 2015 699 i
Notes: (+ +) 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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.

Panasonic S5:
Check Amazon price
Pentax K-S1:
Check Ebay offers

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Panasonic S5 vs Pentax K-S1

    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 Panasonic S5 Pentax K-S1
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Leica L mount lenses Pentax K mount lenses
    Launch Date September 2020 August 2014
    Launch Price USD 1,999 USD 749
    Sensor Specs Panasonic S5 Pentax K-S1
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.6 x 23.8 mm 23.5 x 15.6 mm
    Sensor Area 847.28 mm2 366.6 mm2
    Sensor Diagonal 42.8 mm 28.2 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 24 Megapixels 20 Megapixels
    Image Resolution 6000 x 4000 pixels 5472 x 3648 pixels
    Pixel Pitch 5.94 μm 4.28 μm
    Pixel Density 2.83 MP/cm2 5.45 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/60p Video 1080/30p Video
    ISO Setting 100 - 51,200 ISO 100 - 51,200 ISO
    ISO Boost 50 - 204,800 ISO no Enhancement
    Image Processor Venus PRIME MII
    DXO Sensor Quality (score) .. 78
    DXO Color Depth (bits) .. 23.5
    DXO Dynamic Range (EV) .. 13.0
    DXO Low Light (ISO) .. 1061
    Screen Specs Panasonic S5 Pentax K-S1
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.74x 0.63x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1840k dots 921k dots
    LCD Attachment Fully flexible screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic S5 Pentax K-S1
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/6000s
    Continuous Shooting 7 shutter flaps/s 5.4 shutter flaps/s
    Electronic Shutterup to 1/8000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Single UHS-II UHS-I
    Connectivity Specs Panasonic S5 Pentax K-S1
    External Flash Hotshoe Hotshoe
    USB Connector USB 3.2 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Panasonic S5 Pentax K-S1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type DMW-BLK22 D-LI109
    Battery Life (CIPA)440 shots per charge410 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 133 x 98 x 82 mm
    (5.2 x 3.9 x 3.2 in)
    121 x 93 x 70 mm
    (4.8 x 3.7 x 2.8 in)
    Camera Weight 714 g (25.2 oz) 558 g (19.7 oz)

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