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Panasonic G6 vs Pentax K-S1

The Panasonic Lumix DMC-G6 and the Pentax K-S1 are two digital cameras that were officially introduced, respectively, in April 2013 and August 2014. The G6 is a mirrorless interchangeable lens camera, while the K-S1 is a DSLR. The cameras are based on a Four Thirds (G6) and an APS-C (K-S1) sensor. The Panasonic has a resolution of 15.9 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 G6
versus
Pentax K-S1
Panasonic G6   Pentax K-S1
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax K mount lenses
15.9 MP – Four Thirds sensor 20 MP – APS-C sensor
1080/60p Video 1080/30p Video
ISO 160-12,800 (160 - 25,600) ISO 100-51,200
Electronic viewfinder (1440k dots) Optical viewfinder
3.0" LCD – 1036k dots 3.0" LCD – 921k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
7 shutter flaps per second 5.4 shutter flaps per second
Lens stabilization onlyIn-body stabilization
340 shots per battery charge410 shots per battery charge
122 x 85 x 71 mm, 390 g 121 x 93 x 70 mm, 558 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-G6 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Panasonic G6 and the Pentax K-S1. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The G6 can be obtained in three different colors (black, silver, white), while the K-S1 is available in four color-versions (black, grey, orange, white).

Size Panasonic G6 vs Pentax K-S1
Compare G6 versus K-S1 top
Comparison G6 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 larger (9 percent) than the Panasonic G6. Moreover, the K-S1 is substantially heavier (43 percent) than the G6. In this context, it is worth noting that neither the G6 nor the K-S1 are weather-sealed.

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 G6 gets 340 shots out of its Panasonic DMW-BLC12 battery, while the K-S1 can take 410 images on a single charge of its Pentax D-LI109 power pack.

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

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 US$ 599ebay.com
2.
 
Pentax K-S1 121 mm 93 mm 70 mm 558 g 410 n Aug 2014 US$ 749ebay.com
3.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 US$ 799ebay.com
4.
 
Nikon D5500 124 mm 97 mm 70 mm 470 g 820 n Jan 2015 US$ 899ebay.com
5.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 US$ 599ebay.com
6.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 US$ 599ebay.com
7.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 US$ 599ebay.com
8.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 US$ 599ebay.com
9.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 US$ 599ebay.com
10.
 
Panasonic G7 125 mm 86 mm 77 mm 410 g 350 n May 2015 US$ 649ebay.com
11.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 US$ 499ebay.com
12.
 
Panasonic GF5 108 mm 67 mm 37 mm 267 g 360 n Apr 2012 US$ 499ebay.com
13.
 
Panasonic GF6 111 mm 65 mm 38 mm 323 g 340 n Apr 2013 US$ 499ebay.com
14.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 US$ 999ebay.com
15.
 
Pentax K-500 130 mm 97 mm 71 mm 646 g 710 n Jun 2013 US$ 549ebay.com
16.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 US$ 749ebay.com
17.
 
Sony A68 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 US$ 699ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 G6 was launched at a somewhat lower price (by 20 percent) than the K-S1, which makes it more attractive for photographers on a tight budget. 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic G6 features a Four Thirds sensor and the Pentax K-S1 an APS-C sensor. The sensor area in the K-S1 is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the G6 has a native 4:3 aspect ratio, while the one in the K-S1 offers a 3:2 aspect.

Panasonic G6 and Pentax K-S1 sensor measures

With 20MP, the K-S1 offers a higher resolution than the G6 (15.9MP), but the K-S1 nevertheless has larger individual pixels (pixel pitch of 4.28μm versus 3.76μm for the G6) due to its larger sensor. Moreover, the K-S1 is a somewhat more recent model (by 1 year and 4 months) than the G6, and its sensor might 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-S1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-S1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-S1 for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Panasonic G6 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

The Panasonic Lumix DMC-G6 has a native sensitivity range from ISO 160 to ISO 12800, which can be extended to ISO 160-25600. The corresponding ISO settings for the Pentax K-S1 are ISO 100 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.

G6 versus K-S1 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). Of the two cameras under consideration, the K-S1 offers substantially better image quality than the G6 (overall score 17 points higher). The advantage is based on 2.2 bits higher color depth, 1.5 EV in additional dynamic range, and 0.7 stops in additional low light sensitivity. 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.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
2.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.0106178
3.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
4.
 
Nikon D5500 APS-C 24.0 6000 40001080/60p24.114.0143884
5.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
6.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
7.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
8.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
9.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
10.
 
Panasonic G7 Four Thirds 15.8 4592 34484K/30p22.812.490471
11.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
12.
 
Panasonic GF5 Four Thirds 12.0 4000 30001080/60i20.510.057350
13.
 
Panasonic GF6 Four Thirds 15.8 4592 34481080/60i20.710.662254
14.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
15.
 
Pentax K-500 APS-C 16.1 4928 32641080/30p23.713.1108779
16.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p23.612.9151479
17.
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179
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. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the G6 provides a higher frame rate than the K-S1. It can shoot video footage at 1080/60p, 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 variety of features. For example, the G6 has an electronic viewfinder (1440k 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 G6 has a higher magnification than the one of the K-S1 (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 Panasonic G6, the Pentax K-S1, 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.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
2.
 
Pentax K-S1optical n3.0 / 921 fixed n 1/6000s 5.4/s Y Y
3.
 
Nikon D5300optical n3.2 / 1037 swivel n 1/4000s 5.0/s Y n
4.
 
Nikon D5500optical n3.2 / 1037 swivel Y 1/4000s 5.0/s Y n
5.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
6.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
7.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
8.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0/s Y n
9.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
10.
 
Panasonic G72360 n3.0 / 1040 swivel Y 1/4000s 7.0/s Y n
11.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
12.
 
Panasonic GF5none n3.0 / 920 fixed Y 1/4000s 4.0/s Y n
13.
 
Panasonic GF6none n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
14.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y Y
15.
 
Pentax K-500optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
16.
 
Pentax K-S2optical n3.0 / 921 swivel n 1/6000s 5.4/s Y Y
17.
 
Sony A681440 Y2.7 / 460 tilting n 1/4000s 8.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G6 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 G6 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 G6 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 G6 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 G6 and the K-S1 write their files to SDXC 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 Panasonic Lumix DMC-G6 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
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
2.
 
Pentax K-S1Ystereo / mono--micro2.0---
3.
 
Nikon D5300Ystereo / monoY-mini2.0Y--
4.
 
Nikon D5500Ystereo / monoY-mini2.0Y--
5.
 
Olympus E-PL5Ystereo / mono--mini2.0---
6.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
7.
 
Panasonic G2Ystereo / mono--mini2.0---
8.
 
Panasonic G3Ystereo / mono--mini2.0---
9.
 
Panasonic G5Ystereo / mono--mini2.0---
10.
 
Panasonic G7Ystereo / monoY-micro2.0Y--
11.
 
Panasonic G10Ymono / ---mini2.0---
12.
 
Panasonic GF5-stereo / mono--mini2.0---
13.
 
Panasonic GF6-stereo / mono--mini2.0YY-
14.
 
Panasonic GX7Ystereo / mono--mini2.0YY-
15.
 
Pentax K-500Ymono / mono---2.0---
16.
 
Pentax K-S2Ymono / monoY-micro2.0YY-
17.
 
Sony A68Ystereo / monoY-micro2.0---

It is notable that the G6 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.

Both the G6 and the K-S1 have been discontinued, but can regularly be found used on ebay. The G6 was replaced by the Panasonic G7, while the K-S1 was followed by the Pentax K-S2. Further information on the features and operation of the G6 and K-S1 can be found, respectively, in the Panasonic G6 Manual (free pdf) or the online Pentax K-S1 Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Panasonic G6 and the Pentax K-S1? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Panasonic Lumix DMC-G6:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • Better sound: Can connect to an external microphone for higher quality sound 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).
  • More detailed LCD: Has a higher resolution rear screen (1036k vs 921k dots).
  • More flexible LCD: Has a swivel 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 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.
  • Less heavy: Is lighter (by 168g or 30 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • 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.
  • More affordable: Was introduced into a lower priced segment (20 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in April 2013).

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Reasons to prefer the Pentax K-S1:

  • More detail: Has more megapixels (20 vs 15.9MP), which boosts linear resolution by 14%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (17 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.2 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.5 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.7 stops ISO advantage).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/4000s) to freeze action.
  • Longer lasting: Gets more shots (410 versus 340) out of a single battery charge.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More modern: Was introduced somewhat (1 year and 4 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the G6 is the clear winner of the match-up (18 : 11 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 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.

G6 18:11 K-S1

How about other alternatives? Do the specifications of the Panasonic G6 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the G6 or the K-S1 perform in practice. 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 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.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 US$ 599ebay.com
2.
 
Pentax K-S14/5......4.5/54/5 Aug 2014 US$ 749ebay.com
3.
 
Nikon D53004/5+ +..79/1004.5/54.5/5 Oct 2013 US$ 799ebay.com
4.
 
Nikon D55005/5+..79/1004.5/54.5/5 Jan 2015 US$ 899ebay.com
5.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 US$ 599ebay.com
6.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 US$ 599ebay.com
7.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 US$ 599ebay.com
8.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 US$ 599ebay.com
9.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 US$ 599ebay.com
10.
 
Panasonic G74/5+ +3.5/580/1005/54.5/5 May 2015 US$ 649ebay.com
11.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 US$ 499ebay.com
12.
 
Panasonic GF53/5......4.5/54.5/5 Apr 2012 US$ 499ebay.com
13.
 
Panasonic GF6..+ +....4.5/54.5/5 Apr 2013 US$ 499ebay.com
14.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 US$ 999ebay.com
15.
 
Pentax K-500........4.5/54.5/5 Jun 2013 US$ 549ebay.com
16.
 
Pentax K-S24.5/5......5/54.5/5 Feb 2015 US$ 749ebay.com
17.
 
Sony A683/5......4/54/5 Nov 2015 US$ 699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. 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? 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: Panasonic G6 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 G6 Pentax K-S1
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax K mount lenses
    Launch Date April 2013 August 2014
    Launch Price USD 599 USD 749
    Sensor Specs Panasonic G6 Pentax K-S1
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 15.9 Megapixels 20 Megapixels
    Image Resolution 4608 x 3456 pixels 5472 x 3648 pixels
    Pixel Pitch 3.76 μm 4.28 μm
    Pixel Density 7.08 MP/cm2 5.45 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/60p Video 1080/30p Video
    ISO Setting 160 - 12,800 ISO 100 - 51,200 ISO
    ISO Boost 160 - 25,600 ISO no Enhancement
    Image Processor Venus PRIME MII
    DXO Sensor Quality (score) 61 78
    DXO Color Depth (bits) 21.3 23.5
    DXO Dynamic Range (EV) 11.5 13.0
    DXO Low Light (ISO) 639 1061
    Screen Specs Panasonic G6 Pentax K-S1
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.63x
    Viewfinder Resolution 1440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1036k dots 921k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic G6 Pentax K-S1
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/6000s
    Continuous Shooting 7 shutter flaps/s 5.4 shutter flaps/s
    Electronic Shutterup to 1/4000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Panasonic G6 Pentax K-S1
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Panasonic G6 Pentax K-S1
    Battery Type Panasonic DMW-BLC12 Pentax D-LI109
    Battery Life (CIPA)340 shots per charge410 shots per charge
    Body Dimensions 122 x 85 x 71 mm
    (4.8 x 3.3 x 2.8 in)
    121 x 93 x 70 mm
    (4.8 x 3.7 x 2.8 in)
    Camera Weight 390 g (13.8 oz) 558 g (19.7 oz)
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