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Canon 1D Mark III vs Pentax K-1 II

The Canon EOS-1D Mark III and the Pentax K-1 II are two digital cameras that were officially introduced, respectively, in February 2007 and February 2018. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-H (1D Mark III) and a full frame (K-1 II) sensor. The Canon has a resolution of 10.1 megapixels, whereas the Pentax provides 36.2 MP.

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

Headline Specifications
Canon 1D Mark III
versus
Pentax K-1 II
Canon 1D Mark III   Pentax K-1 II
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Pentax K mount lenses
10.1 MP – APS-H sensor 36.2 MP – Full Frame sensor
no Video 1080/60i Video
ISO 100-3,200 (50 - 6,400) ISO 100-819,200
Optical viewfinder Optical viewfinder
3.0" LCD – 230k dots 3.2" LCD – 1037k dots
Fixed screen (not touch-sensitive) Fully flexible screen (no touchscreen)
10 shutter flaps per second 4.4 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
2200 shots per battery charge670 shots per battery charge
156 x 157 x 80 mm, 1155 g 137 x 110 x 86 mm, 1010 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1D Mark III and the Pentax K-1 II? 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 Canon 1D Mark III and the Pentax K-1 II. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

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

Size Canon 1D Mark III vs Pentax K-1 II
Compare 1D Mark III versus K-1 II top
Comparison 1D Mark III or K-1 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-1 II is considerably smaller (38 percent) than the Canon 1D Mark III. Moreover, the K-1 II is markedly lighter (13 percent) than the 1D Mark III. 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 1D Mark III gets 2200 shots out of its Canon LP-E4 battery, while the K-1 II can take 670 images on a single charge of its Pentax D-LI90 power pack. As can be seen in the images above, the 1D Mark III has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the K-1 II, Pentax provides the D-BG6 vertical grip as an optional accessory (see here on ebay).

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 4,499ebay.com
2.
 
Pentax K-1 II 137 mm 110 mm 86 mm 1010 g 670 Y Feb 2018 1,999 amazon.com
3.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
4.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
5.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999ebay.com
6.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
7.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999ebay.com
8.
 
Canon 1D Mark II 156 mm 158 mm 80 mm 1535 g 1200 Y Jan 2004 4,499ebay.com
9.
 
Canon 1Ds 156 mm 158 mm 80 mm 1265 g 600 Y Sep 2002 8,999ebay.com
10.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 5,199ebay.com
11.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999ebay.com
12.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
13.
 
Olympus E-5 142 mm 117 mm 75 mm 873 g 750 Y Sep 2010 1,699ebay.com
14.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
15.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999ebay.com
16.
 
Pentax K-1 137 mm 110 mm 86 mm 1010 g 760 Y Feb 2016 1,799ebay.com
17.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.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 markedly lower price (by 56 percent) than the 1D Mark III, which puts it into a different market segment. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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

Of the two cameras under consideration, the Canon 1D Mark III features an APS-H sensor and the Pentax K-1 II a full frame sensor. The sensor area in the K-1 II is 64 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 1D Mark III and Pentax K-1 II sensor measures

With 36.2MP, the K-1 II offers a higher resolution than the 1D Mark III (10.1MP), but the K-1 II has smaller individual pixels (pixel pitch of 4.88μm versus 7.21μm for the 1D Mark III). Yet, the K-1 II is a much more recent model (by 11 years) than the 1D Mark III, 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 Pentax K-1 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-1 II for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inches or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inches or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inches or 62.3 x 41.6 cm. The corresponding values for the Canon 1D Mark III are 19.4 x 13 inches or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inches or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inches or 32.9 x 21.9 cm for excellent quality prints.

Unlike the 1D Mark III, 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 Canon EOS-1D Mark III has a native sensitivity range from ISO 100 to ISO 3200, which can be extended to ISO 50-6400. The corresponding ISO settings for the Pentax K-1 II are ISO 100 to ISO 819200 (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.

1D Mark III versus K-1 II 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 1D Mark III APS-H 10.1 3888 2592none22.711.7107871
2.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
3.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
4.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
5.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
6.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
7.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
8.
 
Canon 1D Mark II APS-H 8.2 3504 2336none22.311.1100366
9.
 
Canon 1Ds Full Frame 11.0 4064 2704none21.811.095463
10.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
11.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
12.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
13.
 
Olympus E-5 Four Thirds 12.2 4032 3024720/30p21.610.551956
14.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
15.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
16.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
17.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
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. The K-1 II indeed provides for movie recording, while the 1D Mark III does not. The highest resolution format that the K-1 II can use is 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The 1D Mark III and the K-1 II are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the K-1 II has a higher magnification than the one of the 1D Mark III (0.70x vs 0.58x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 1D Mark III and Pentax K-1 II along with similar information for a selection of comparators.

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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.
 
Canon 1D Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 10.0/s n n
2.
 
Pentax K-1 IIoptical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
3.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
5.
 
Canon 1D Mark IVoptical Y3.0 / 920 fixed n 1/8000s 10.0/s n n
6.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
7.
 
Canon 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
8.
 
Canon 1D Mark IIoptical Y2.0 / 230 fixed n 1/8000s 8.3/s n n
9.
 
Canon 1Dsoptical Y2.0 / 120 fixed n 1/8000s 3.0/s n n
10.
 
Nikon D3Soptical Y3.0 / 921 fixed n 1/8000s 11.0/s n n
11.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
12.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
13.
 
Olympus E-5optical Y3.0 / 920 swivel n 1/8000s 5.0/s Y Y
14.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
15.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
16.
 
Pentax K-1optical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
17.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/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 differentiates the K-1 II and the 1D Mark III is in-body image stabilization (IBIS). The K-1 II reduces the risk of handshake-induced blur with all attached lenses, while the 1D Mark III offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The Pentax K-1 II has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The 1D Mark III writes its imaging data to Compact Flash or SDHC cards, while the K-1 II uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The K-1 II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the 1D Mark III cannot take advantage of Ultra High Speed SD 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 Canon EOS-1D Mark III and Pentax K-1 II 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.
 
Canon 1D Mark IIIY- / ----2.0---
2.
 
Pentax K-1 IIYstereo / monoYYmicro2.0Y--
3.
 
Canon 5DS RYmono / monoY-mini3.0---
4.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
5.
 
Canon 1D Mark IVYstereo / -Y-mini2.0---
6.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
7.
 
Canon 1Ds Mark IIIYmono / ----2.0---
8.
 
Canon 1D Mark IIY- / ----1.1---
9.
 
Canon 1DsY- / ----FW---
10.
 
Nikon D3SYstereo / ---mini2.0---
11.
 
Nikon D3Y- / ---mini2.0---
12.
 
Nikon D2XsY- / ----2.0---
13.
 
Olympus E-5Ystereo / ---mini2.0---
14.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
15.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
16.
 
Pentax K-1Ystereo / monoYYmicro2.0Y--
17.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
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It is notable that the K-1 II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 1D Mark III does not provide wifi capability.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

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.

The K-1 II is a recent model that features in the current product line-up of Pentax. In contrast, the 1D Mark III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the 1D Mark III was succeeded by the Canon 1D Mark IV. Further information on the features and operation of the 1D Mark III and K-1 II can be found, respectively, in the Canon 1D Mark III Manual (free pdf) or the online Pentax K-1 II Manual.

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Review summary

So what conclusions can be drawn? Is the Canon 1D Mark III better than the Pentax K-1 II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Canon EOS-1D Mark III:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Faster burst: Shoots at higher frequency (10 vs 4.4 flaps/sec) to capture the decisive moment.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (2200 versus 670) on a single battery charge.
  • More heavily discounted: Has been available for much longer (launched in February 2007).

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Advantages of the Pentax K-1 II:

  • More detail: Has more megapixels (36.2 vs 10.1MP), which boosts linear resolution by 89%.
  • 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.
  • 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.
  • Broader imaging potential: Can capture not only stills but also 1080/60i video.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.58x).
  • 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 (1037k vs 230k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (137x110mm vs 156x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 145g or 13 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (56 percent cheaper at launch).
  • More modern: Reflects 11 years of technical progress since the 1D Mark III launch.

If the count of relative strengths (bullet points above) is taken as a measure, the K-1 II is the clear winner of the contest (21 : 5 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

1D Mark III 05:21 K-1 II

How about other alternatives? Do the specifications of the Canon 1D Mark III and the Pentax K-1 II place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the 1D Mark III and the K-1 II in practical situations. 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 why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1D Mark III............ Feb 2007 4,499ebay.com
2.
 
Pentax K-1 II....4.5/579/1004.5/54.5/5 Feb 2018 1,999 amazon.com
3.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
4.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
5.
 
Canon 1D Mark IV5/5....89/100.... Oct 2009 4,999ebay.com
6.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
7.
 
Canon 1Ds Mark III......+ +4.5/5.. Aug 2007 7,999ebay.com
8.
 
Canon 1D Mark II......+ +.... Jan 2004 4,499ebay.com
9.
 
Canon 1Ds......+ +.... Sep 2002 8,999ebay.com
10.
 
Nikon D3S5/5....89/1004.5/55/5 Oct 2009 5,199ebay.com
11.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999ebay.com
12.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
13.
 
Olympus E-54/5....75/1004/54.5/5 Sep 2010 1,699ebay.com
14.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
15.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 1,999ebay.com
16.
 
Pentax K-15/5....84/1005/55/5 Feb 2016 1,799ebay.com
17.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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.

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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 a corresponding selection in the search boxes 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: Canon 1D Mark III vs Pentax K-1 II

    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 Canon 1D Mark III Pentax K-1 II
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Pentax K mount lenses
    Launch Date February 2007 February 2018
    Launch Price USD 4,499 USD 1,999
    Sensor Specs Canon 1D Mark III Pentax K-1 II
    Sensor Technology CMOS CMOS
    Sensor Format APS-H Sensor Full Frame Sensor
    Sensor Size 28.1 x 18.7 mm 35.9 x 24.0 mm
    Sensor Area 525.47 mm2 861.6 mm2
    Sensor Diagonal 33.8 mm 43.2 mm
    Crop Factor 1.3x 1.0x
    Sensor Resolution 10.1 Megapixels 36.2 Megapixels
    Image Resolution 3888 x 2592 pixels 7360 x 4912 pixels
    Pixel Pitch 7.21 μm 4.88 μm
    Pixel Density 1.92 MP/cm2 4.20 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 1080/60i Video
    ISO Setting 100 - 3,200 ISO 100 - 819,200 ISO
    ISO Boost 50 - 6,400 ISO no Enhancement
    Image Processor DIGIC III PRIME IV
    DXO Sensor Quality (score) 71 ..
    DXO Color Depth (bits) 22.7 ..
    DXO Dynamic Range (EV) 11.7 ..
    DXO Low Light (ISO) 1078 ..
    Screen Specs Canon 1D Mark III Pentax K-1 II
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.58x 0.70x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 230k dots 1037k dots
    LCD Attachment Fixed screen Fully flexible screen
    Shooting Specs Canon 1D Mark III Pentax K-1 II
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 4.4 shutter flaps/s
    Shutter Life Expectancy300 000 actuations300 000 actuations
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF or SDHC cards SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support no UHS-I
    Connectivity Specs Canon 1D Mark III Pentax K-1 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Geotagging no internal GPS GPS built-in
    Body Specs Canon 1D Mark III Pentax K-1 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Canon LP-E4 Pentax D-LI90
    Battery Life (CIPA)2200 shots per charge670 shots per charge
    Body Dimensions 156 x 157 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    Camera Weight 1155 g (40.7 oz) 1010 g (35.6 oz)
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