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Pentax K-1 II vs Sigma fp L

The Pentax K-1 II and the Sigma fp L are two digital cameras that were officially introduced, respectively, in February 2018 and March 2021. The K-1 II is a DSLR, while the fp L is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. The Pentax has a resolution of 36.2 megapixels, whereas the Sigma provides 60.2 MP.

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

Headline Specifications
Pentax K-1 II
versus
Sigma fp L
Pentax K-1 II   Sigma fp L
Digital single lens reflex Mirrorless system camera
Pentax K mount lenses Leica L mount lenses
36.2 MP – Full Frame sensor 60.2 MP – Full Frame sensor
1080/60i Video 4K/30p Video
ISO 100-819,200 ISO 100-25,600 (6 - 102,400)
Optical viewfinder Viewfinder optional
3.2" LCD – 1037k dots 3.2" LCD – 2100k dots
Fully flexible screen (no touchscreen) Fixed touchscreen
4.4 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
670 shots per battery charge240 shots per battery charge
137 x 110 x 86 mm, 1010 g 113 x 70 x 45 mm, 427 g
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Check K-1 II price at
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Check fp L price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-1 II and the Sigma fp L? 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

An illustration of the physical size and weight of the Pentax K-1 II and the Sigma fp L is provided 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 size dimensions are rounded to the nearest millimeter.

The K-1 II can be obtained in two different colors (black, silver), while the fp L is only available in black.

Size Pentax K-1 II vs Sigma fp L
Compare K-1 II versus fp L top
Comparison K-1 II or fp L rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sigma fp L is considerably smaller (48 percent) than the Pentax K-1 II. Moreover, the fp L is substantially lighter (58 percent) than the K-1 II. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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

Concerning battery life, the K-1 II gets 670 shots out of its Pentax D-LI90 battery, while the fp L can take 240 images on a single charge of its Sigma BP-51 power pack. The power pack in the fp L can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax K-1 II 137 mm 110 mm 86 mm 1010 g 670 Y Feb 2018 1,999 amazon.com
2.
 
Sigma fp L 113 mm 70 mm 45 mm 427 g 240 Y Mar 2021 2,499 amazon.com
3.
 
Canon R 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299ebay.com
4.
 
Leica M11 139 mm 80 mm 39 mm 640 g 700 Y Jan 2022 8,995 amazon.com
5.
 
Nikon D780 144 mm 116 mm 76 mm 840 g 2260 Y Jan 2020 2,299 amazon.com
6.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
7.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
8.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
9.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 amazon.com
10.
 
Pentax K-1 137 mm 110 mm 86 mm 1010 g 760 Y Feb 2016 1,799ebay.com
11.
 
Sigma fp 113 mm 70 mm 45 mm 422 g 280 Y Jul 2019 1,899 amazon.com
12.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
13.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
14.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
15.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499ebay.com
16.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.com
17.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The K-1 II was launched at a somewhat lower price (by 20 percent) than the fp L, which makes it more attractive for photographers on a tight budget. 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.

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 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Pentax K-1 II and Sigma fp L sensor measures

With 60.2MP, the fp L offers a higher resolution than the K-1 II (36.2MP), but the fp L has smaller individual pixels (pixel pitch of 3.79μm versus 4.88μm for the K-1 II). Yet, the fp L is a much more recent model (by 3 years and 1 month) than the K-1 II, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the K-1 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sigma fp L implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the fp L for good quality output (200 dots per inch) amounts to 47.6 x 31.6 inches or 120.9 x 80.4 cm, for very good quality (250 dpi) 38.1 x 25.3 inches or 96.7 x 64.3 cm, and for excellent quality (300 dpi) 31.7 x 21.1 inches or 80.6 x 53.6 cm. The corresponding values for the Pentax K-1 II are 36.8 x 24.6 inches or 93.5 x 62.4 cm for good quality, 29.4 x 19.6 inches or 74.8 x 49.9 cm for very good quality, and 24.5 x 16.4 inches or 62.3 x 41.6 cm for excellent quality prints.

Unlike the fp L, the K-1 II has the capacity to capture high quality composite images 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 Pentax K-1 II has a native sensitivity range from ISO 100 to ISO 819200. The corresponding ISO settings for the Sigma fp L are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 6-102400.

In terms of underlying technology, the K-1 II is build around a CMOS sensor, while the fp L uses a BSI-CMOS imager. 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-1 II versus fp L 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 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
2.
 
Sigma fp L Full Frame 60.2 9520 63284K/30p25.314.4300196
3.
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289
4.
 
Leica M11 Full Frame 60.3 9528 6328none26.314.83376100
5.
 
Nikon D780 Full Frame 24.3 6048 40244K/30p25.314.3287795
6.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
7.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
8.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
9.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
10.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
11.
 
Sigma fp Full Frame 24.0 6000 40004K/30p25.214.2282994
12.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
13.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
14.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
15.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
16.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
17.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the fp L provides a better video resolution than the K-1 II. It can shoot movie footage at 4K/30p, while the Pentax is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the K-1 II has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the fp L relies on live view and the rear LCD for framing. That said, the fp L can be equipped with an optional viewfinder – the EVF-11. The table below summarizes some of the other core capabilities of the Pentax K-1 II and Sigma fp L in connection with corresponding information for a sample of similar cameras.

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Core Features
# image 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-1 IIoptical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
2.
 
Sigma fp Loptional n3.2 / 2100 fixed Y 1/8000s 10.0/s n n
3.
 
Canon R3690 Y3.2 / 2100 swivel Y 1/8000s 8.0/s n n
4.
 
Leica M11optical n3.0 / 2333 fixed Y 1/4000s 4.5/s n n
5.
 
Nikon D780optical Y3.2 / 2359 tilting Y 1/8000s 12.0/s n n
6.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
7.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
8.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
9.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
10.
 
Pentax K-1optical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
11.
 
Sigma fpoptional n3.2 / 2100 fixed Y 1/8000s 12.0/s n n
12.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
15.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
16.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
17.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that is present on the K-1 II, but is missing on the fp L is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

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 L 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-1 II and the Sigma fp L both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the K-1 II and the fp L write their files to SDXC cards. The K-1 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the fp L only has one slot. The fp L supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the K-1 II 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-1 II and Sigma fp L and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Pentax K-1 IIYstereo / monoYYmicro2.0Y--
2.
 
Sigma fp LYstereo / monoYYmicro3.2Y--
3.
 
Canon RYstereo / monoYYmini3.1Y-Y
4.
 
Leica M11Y- / ----3.2Y-Y
5.
 
Nikon D780Ystereo / monoYYmini3.1Y-Y
6.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
7.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
8.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
9.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y
10.
 
Pentax K-1Ystereo / monoYYmicro2.0Y--
11.
 
Sigma fpYstereo / monoY-micro3.1---
12.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
13.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
15.
 
Sony A7SYstereo / monoYYmicro2.0YY-
16.
 
Sony A7RYstereo / monoYYmicro2.0YY-
17.
 
Sony A850Y- / ---mini2.0---
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Studio photographers will appreciate that the Pentax K-1 II (unlike the fp L) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the K-1 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the K-1 II and the fp L are recent models that are part of the current product line-up. The K-1 II replaced the earlier Pentax K-1, while the fp L does not have a direct predecessor. Further information on the features and operation of the K-1 II and fp L can be found, respectively, in the Pentax K-1 II Manual (free pdf) or the online Sigma fp L Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Pentax K-1 II or the Sigma fp L – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Pentax K-1 II:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Longer lasting: Can take more shots (670 versus 240) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was introduced into a lower priced segment (20 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2018).

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Advantages of the Sigma fp L:

  • More detail: Has more megapixels (60.2 vs 36.2MP), which boosts linear resolution by 29%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 1037k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (10 vs 4.4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (113x70mm vs 137x110mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 583g or 58 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 3 years and 1 month of technical progress since the K-1 II launch.

If the count of relative strengths (bullet points above) is taken as a measure, the fp L emerges as the winner of the match-up (14 : 12 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-1 II 12:14 fp L

How about other alternatives? Do the specifications of the Pentax K-1 II and the Sigma fp L 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 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-1 II or the fp L. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax K-1 II....4.5/579/1004.5/54.5/5 Feb 2018 1,999 amazon.com
2.
 
Sigma fp L4/5..4/5..4/54/5 Mar 2021 2,499 amazon.com
3.
 
Canon R4/5o4/579/1004.5/54/5 Sep 2018 2,299ebay.com
4.
 
Leica M114.5/5..4.5/5..4.5/54.5/5 Jan 2022 8,995 amazon.com
5.
 
Nikon D7805/5..5/587/1004.5/54.5/5 Jan 2020 2,299 amazon.com
6.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
7.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
8.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
9.
 
Panasonic S1H....4/590/100.... May 2019 3,999 amazon.com
10.
 
Pentax K-15/5....84/1005/55/5 Feb 2016 1,799ebay.com
11.
 
Sigma fp4/5..4/5..4/54.5/5 Jul 2019 1,899 amazon.com
12.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
13.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
14.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
15.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 2,499ebay.com
16.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
17.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, 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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Check K-1 II price at
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Check fp L price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Pentax K-1 II vs Sigma fp L

    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-1 II Sigma fp L
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax K mount lenses Leica L mount lenses
    Launch Date February 2018 March 2021
    Launch Price USD 1,999 USD 2,499
    Sensor Specs Pentax K-1 II Sigma fp L
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.9 x 24.0 mm 36.0 x 24.0 mm
    Sensor Area 861.6 mm2 864 mm2
    Sensor Diagonal 43.2 mm 43.3 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 36.2 Megapixels 60.2 Megapixels
    Image Resolution 7360 x 4912 pixels 9520 x 6328 pixels
    Pixel Pitch 4.88 μm 3.79 μm
    Pixel Density 4.20 MP/cm2 6.97 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60i Video 4K/30p Video
    ISO Setting 100 - 819,200 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 6 - 102,400 ISO
    Screen Specs Pentax K-1 II Sigma fp L
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 1037k dots 2100k dots
    LCD Attachment Fully flexible screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-1 II Sigma fp L
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 4.4 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-I UHS-II
    Connectivity Specs Pentax K-1 II Sigma fp L
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 3.2
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Pentax K-1 II Sigma fp L
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Pentax D-LI90 Sigma BP-51
    Battery Life (CIPA)670 shots per charge240 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    113 x 70 x 45 mm
    (4.4 x 2.8 x 1.8 in)
    Camera Weight 1010 g (35.6 oz) 427 g (15.1 oz)
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    Check K-1 II price at
    amazon.com
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    Check fp L price at
    amazon.com

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