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Pentax K-S1 vs Sigma fp

The Pentax K-S1 and the Sigma fp are two digital cameras that were revealed to the public, respectively, in August 2014 and July 2019. The K-S1 is a DSLR, while the fp is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (K-S1) and a full frame (fp) sensor. The Pentax has a resolution of 20 megapixels, whereas the Sigma 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-S1 versus Sigma fp
Pentax K-S1 Sigma fp
Digital single lens reflex Mirrorless system camera
Pentax K mount lenses Leica L mount lenses
20 MP, APS-C Sensor 24 MP, Full Frame Sensor
1080/30p Video 4K/30p Video
ISO 100-51,200 ISO 100-25,600 (6 - 102,400)
Optical viewfinder No viewfinder, LCD framing
3.0 LCD, 921k dots 3.2 LCD, 2100k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
5.4 shutter flaps per second 12 shutter flaps per second
In-body stabilizationLens stabilization only
not weather sealedWeathersealed body
410 shots per battery charge280 shots per battery charge
121 x 93 x 70 mm, 558 g 113 x 70 x 45 mm, 422 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-S1 and the Sigma fp? 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

The physical size and weight of the Pentax K-S1 and the Sigma fp are illustrated in the side-by-side display below. 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 K-S1 can be obtained in four different colors (black, grey, orange, white), while the fp is only available in black.

Size Pentax K-S1 vs Sigma fp
Compare K-S1 versus fp top
Comparison K-S1 or fp rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sigma fp is notably smaller (30 percent) than the Pentax K-S1. Moreover, the fp is markedly lighter (24 percent) than the K-S1. It is noteworthy in this context that the fp is splash and dust-proof, 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.

The power pack in the fp 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. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax K-S1 121 mm 93 mm 70 mm 558 g 410 n Aug 2014 749i
2.
 
Sigma fp 113 mm 70 mm 45 mm 422 g 280 Y Jul 2019 1,899 i
3.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
4.
 
Fujifilm X-Pro3 141 mm 83 mm 46 mm 497 g 440 Y Oct 2019 1,799 i
5.
 
Nikon D780 144 mm 116 mm 76 mm 840 g 2260 Y Jan 2020 2,299 i
6.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 799i
7.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 i
8.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 i
9.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 i
10.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749 i
11.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099 i
12.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 599i
13.
 
Pentax K-500 130 mm 97 mm 71 mm 646 g 710 n Jun 2013 549i
14.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299i
15.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 849i
16.
 
Sony A68 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 699i
17.
 
Sony A58 129 mm 95 mm 78 mm 492 g 690 n Feb 2013 599i
Notes: 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 retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The K-S1 was launched at a markedly lower price (by 61 percent) than the fp, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Pentax K-S1 features an APS-C sensor and the Sigma fp a full frame sensor. The sensor area in the fp is 134 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-S1 and Sigma fp sensor measures

With 24MP, the fp offers a higher resolution than the K-S1 (20MP), but the fp nevertheless has larger individual pixels (pixel pitch of 5.98μm versus 4.28μm for the K-S1) due to its larger sensor. Moreover, the fp is a much more recent model (by 4 years and 10 months) 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 pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sigma fp implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the fp 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.

The Pentax K-S1 has a native sensitivity range from ISO 100 to ISO 51200. The corresponding ISO settings for the Sigma fp are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 6-102400.

K-S1 versus fp MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.0106178
2.
 
Sigma fp Full Frame 24.0 6000 40004K/30p........
3.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
4.
 
Fujifilm X-Pro3 APS-C 26.0 6240 41604K/30p........
5.
 
Nikon D780 Full Frame 24.3 6048 40244K/30p........
6.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
7.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p........
8.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
9.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p........
10.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p........
11.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
12.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
13.
 
Pentax K-500 APS-C 16.1 4928 32641080/30p23.713.1108779
14.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
15.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.0112979
16.
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179
17.
 
Sony A58 APS-C 19.8 5456 36321080/60i23.312.575374

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 fp provides a better video resolution than the K-S1. 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 K-S1 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the fp relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Pentax K-S1 and Sigma fp 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.
 
Pentax K-S1optical n 3.0 921 fixed n 1/6000s 5.4 Y Y
2.
 
Sigma fpnone n 3.2 2100 fixed Y 1/8000s 12.0 n n
3.
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
4.
 
Fujifilm X-Pro33690 n 3.0 1620 tilting Y 1/8000s 8.0 n n
5.
 
Nikon D780optical Y 3.2 2359 tilting Y 1/8000s 12.0 n n
6.
 
Nikon D5300optical n 3.2 1037 swivel n 1/4000s 5.0 Y n
7.
 
Panasonic S52360 n 3.0 1840 full-flex Y 1/8000s 7.0 n Y
8.
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y
9.
 
Panasonic S1H5760 Y 3.2 2330 swivel Y 1/8000s 9.0 n Y
10.
 
Pentax K-S2optical n 3.0 921 swivel n 1/6000s 5.4 Y Y
11.
 
Pentax K-3 IIoptical Y 3.2 1037 fixed n 1/8000s 8.3 n Y
12.
 
Pentax K-50optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
13.
 
Pentax K-500optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
14.
 
Pentax K-3optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y
15.
 
Pentax K-30optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
16.
 
Sony A681440 Y 2.7 460 tilting n 1/4000s 8.0 Y Y
17.
 
Sony A581440 n 2.7 460 tilting n 1/4000s 5.0 Y Y

One difference between the cameras concerns the presence of an on-board flash. The K-S1 has one, while the fp does not. While the built-in flash of the K-S1 is not very powerful, it can at times be useful as a fill-in light.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the fp 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 Sigma fp 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 K-S1 and the fp write their files to SDXC cards. The fp supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the K-S1 can use UHS-I cards (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-S1 and Sigma fp 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.
 
Pentax K-S1Ystereomono--micro2.0---
2.
 
Sigma fpYstereomonoY-micro3.1---
3.
 
Canon T6iYstereomonoY-mini2.0YY-
4.
 
Fujifilm X-Pro3YstereomonoY--3.1Y-Y
5.
 
Nikon D780YstereomonoYYmini3.1Y-Y
6.
 
Nikon D5300YstereomonoY-mini2.0Y--
7.
 
Panasonic S5YstereomonoYYmicro3.2Y-Y
8.
 
Panasonic S1YstereomonoYYfull3.1Y-Y
9.
 
Panasonic S1HYstereomonoYYfull3.1Y-Y
10.
 
Pentax K-S2YmonomonoY-micro2.0YY-
11.
 
Pentax K-3 IIYmonomonoYYmini3.0---
12.
 
Pentax K-50Ymonomono--micro2.0---
13.
 
Pentax K-500Ymonomono---2.0---
14.
 
Pentax K-3YmonomonoYYmini3.0---
15.
 
Pentax K-30Ymonomono---2.0---
16.
 
Sony A68YstereomonoY-micro2.0---
17.
 
Sony A58YstereomonoY-mini2.0---

It is notable that the fp has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The K-S1 does not feature such a mic input.

The fp is a recent model that features in the current product line-up of Sigma. 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 Pentax and Sigma websites.

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Review summary

So what conclusions can be drawn? Is the Pentax K-S1 better than the Sigma fp or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Pentax K-S1:

  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Longer lasting: Can take more shots (410 versus 280) on a single battery charge.
  • 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 affordable: Was introduced into a lower priced category (61 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in August 2014).

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Advantages of the Sigma fp:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • 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).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 921k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/6000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 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.
  • More compact: Is smaller (113x70mm vs 121x93mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 136g or 24 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 4 years and 10 months of technical progress since the K-S1 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the fp is the clear winner of the contest (22 : 6 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 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.

K-S1 06:22 fp

How about other alternatives? Do the specifications of the Pentax K-S1 and the Sigma fp 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the K-S1 or the fp. 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], 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.
 
Pentax K-S14/5....4.5/54/5 Aug 2014 749i
2.
 
Sigma fp4/5....4/54.5/5 Jul 2019 1,899 i
3.
 
Canon T6i5/5..75/1004.5/54.5/5 Feb 2015 749i
4.
 
Fujifilm X-Pro34/5+85/1004/5.. Oct 2019 1,799 i
5.
 
Nikon D7805/5..87/1004.5/54.5/5 Jan 2020 2,299 i
6.
 
Nikon D53004/5+ +79/1004.5/54.5/5 Oct 2013 799i
7.
 
Panasonic S54.5/5+ +..4.5/54.5/5 Sep 2020 1,999 i
8.
 
Panasonic S14.5/5+ +88/1004.5/54/5 Feb 2019 2,499 i
9.
 
Panasonic S1H....90/100.... May 2019 3,999 i
10.
 
Pentax K-S24.5/5....5/54.5/5 Feb 2015 749 i
11.
 
Pentax K-3 II4.5/5....5/55/5 Apr 2015 1,099 i
12.
 
Pentax K-505/5....5/54.5/5 Jun 2013 599i
13.
 
Pentax K-500......4.5/54.5/5 Jun 2013 549i
14.
 
Pentax K-34/5..83/1005/55/5 Oct 2013 1,299i
15.
 
Pentax K-304/5..78/1004.5/54.5/5 May 2012 849i
16.
 
Sony A683/5....4/54/5 Nov 2015 699i
17.
 
Sony A583/5....4.5/54.5/5 Feb 2013 599i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Pentax K-S1:
Check Ebay offers
Sigma fp:
Check Amazon price

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 make a corresponding selection in the search boxes 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-S1 vs Sigma fp

    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-S1 Sigma fp
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax K mount lenses Leica L mount lenses
    Launch Date August 2014 July 2019
    Launch Price USD 749 USD 1,899
    Sensor Specs Pentax K-S1 Sigma fp
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 35.9 x 23.9 mm
    Sensor Area 366.6 mm2 858.01 mm2
    Sensor Diagonal 28.2 mm 43.1 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 4.28 μm 5.98 μm
    Pixel Density 5.45 MP/cm2 2.80 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 51,200 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 6 - 102,400 ISO
    DXO Sensor Quality (score) 78 ..
    DXO Color Depth (bits) 23.5 ..
    DXO Dynamic Range (EV) 13.0 ..
    DXO Low Light (ISO) 1061 ..
    Screen Specs Pentax K-S1 Sigma fp
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.63x
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 921k dots 2100k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-S1 Sigma fp
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/6000s 1/8000s
    Continuous Shooting 5.4 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-II
    Connectivity Specs Pentax K-S1 Sigma fp
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Pentax K-S1 Sigma fp
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type D-LI109 BP-51
    Battery Life (CIPA)410 shots per charge280 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 121 x 93 x 70 mm
    (4.8 x 3.7 x 2.8 in)
    113 x 70 x 45 mm
    (4.4 x 2.8 x 1.8 in)
    Camera Weight 558 g (19.7 oz) 422 g (14.9 oz)

    Did you notice an error on this page? If so, please get in touch, so that we can correct the information.

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