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Canon 1Ds versus Pentax K-3 II

The Canon EOS-1Ds and the Pentax K-3 II are two digital cameras that were revealed to the public, respectively, in September 2002 and April 2015. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1Ds) and an APS-C (K-3 II) sensor. The Canon has a resolution of 11 megapixel, whereas the Pentax provides 24.1 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon 1Ds vs Pentax K-3 II

The physical size and weight of the Canon 1Ds and the Pentax K-3 II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the 1Ds – represents 100 percent across all the size and weight measures).

Compare Canon 1Ds vs Pentax K-3 II
Compare 1Ds versus K-3 II top
Compare 1Ds and K-3 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-3 II is considerably smaller (47 percent) than the Canon 1Ds. Moreover, the K-3 II is substantially lighter (37 percent) than the 1Ds. 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 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 1Ds gets 600 shots out of its NP-E3 battery, while the K-3 II can take 720 images on a single charge of its D-LI90 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, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Canon 1Ds» 156 mm 157.6 mm 80 mm 1265 g 600 Y Sep 2002 8,999- i Canon 1Ds
Pentax K-3 II« 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099 i i Pentax K-3 II
Canon 1D X Mark II« » 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999 i i Canon 1D X Mark II
Canon 1D C« » 158 mm 164 mm 83 mm 1545 g 1120 Y Apr 2012 14,999- i Canon 1D C
Canon 1D Mark IV« » 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999- i Canon 1D Mark IV
Canon 1Ds Mark III« » 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999- i Canon 1Ds Mark III
Canon 1D Mark III« » 156 mm 156.6 mm 80 mm 1155 g 2200 Y Feb 2007 4,499- i Canon 1D Mark III
Canon 5D« » 152 mm 113 mm 75 mm 895 g 400 Y Aug 2005 3,299- i Canon 5D
Canon 1D Mark II N« » 156 mm 158 mm 80 mm 1565 g 1200 Y Aug 2005 3,999- i Canon 1D Mark II N
Canon 1Ds Mark II« » 156 mm 157.6 mm 80 mm 1215 g 1200 Y Sep 2004 7,999- i Canon 1Ds Mark II
Canon 1D Mark II« » 156 mm 158 mm 80 mm 1535 g 1200 Y Jan 2004 4,499- i Canon 1D Mark II
Nikon D2Xs« » 157.5 mm 149.5 mm 86 mm 1252 g 3800 Y Jun 2006 4,699- i Nikon D2Xs
Panasonic GX8« » 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199- i Panasonic GX8
Pentax KP« » 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099 i i Pentax KP
Pentax K-70« » 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649 i i Pentax K-70
Pentax K-3« » 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299- i Pentax K-3
Pentax K-5« » 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 1,099- i Pentax K-5

Any camera purchase will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The K-3 II was launched at a markedly lower price (by 88 percent) than the 1Ds, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon 1Ds vs Pentax K-3 II

The size of the sensor inside a digital camera is one of the key determinants 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. 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 1Ds features a full frame sensor and the Pentax K-3 II an APS-C sensor. The sensor area in the K-3 II is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 1Ds and Pentax K-3 II sensor measures

Despite having a smaller sensor, the K-3 II offers a higher resolution of 24.1 megapixel, compared with 11 MP of the 1Ds. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.90μm versus 8.83μm for the 1Ds). However, it should be noted that the K-3 II is much more recent (by 12 years and 7 months) than the 1Ds, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the K-3 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

Unlike the 1Ds, the K-3 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).

1Ds versus K-3 II 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-3 II offers substantially better image quality than the 1Ds (overall score 17 points higher). The advantage is based on 1.8 bits higher color depth, 2.6 EV in additional dynamic range, and 0.2 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Canon 1Ds» Full Frame 11.0 4064 2704-21.811.095463Canon 1Ds
Pentax K-3 II« APS-C 24.1 6016 40001080/60i23.613.6110680Pentax K-3 II
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X Mark II
Canon 1D C« » Full Frame 17.9 5184 34564K/24p----Canon 1D C
Canon 1D Mark IV« » APS-H 16.0 4896 32641080/30p22.812.0132074Canon 1D Mark IV
Canon 1Ds Mark III« » Full Frame 21.0 5616 3744-24.012.0166380Canon 1Ds Mark III
Canon 1D Mark III« » APS-H 10.1 3888 2592-22.711.7107871Canon 1D Mark III
Canon 5D« » Full Frame 12.7 4368 2912-22.911.1136871Canon 5D
Canon 1D Mark II N« » APS-H 8.2 3504 2336-22.311.297566Canon 1D Mark II N
Canon 1Ds Mark II« » Full Frame 16.6 4992 3328-23.311.3148074Canon 1Ds Mark II
Canon 1D Mark II« » APS-H 8.2 3504 2336-22.311.1100366Canon 1D Mark II
Nikon D2Xs« » APS-C 12.2 4288 2848-22.210.948959Nikon D2Xs
Panasonic GX8« » Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
Pentax KP« » APS-C 24.1 6016 40001080/60i----Pentax KP
Pentax K-70« » APS-C 24.0 6000 40001080/60i----Pentax K-70
Pentax K-3« » APS-C 24.1 6016 40001080/60i23.713.4121680Pentax K-3
Pentax K-5« » APS-C 16.1 4928 32641080/25p23.714.1116282Pentax K-5

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The K-3 II indeed provides for movie recording, while the 1Ds does not. The highest resolution format that the K-3 II can use is 1080/60i.

 

Feature comparison: Canon 1Ds vs Pentax K-3 II

Beyond body and sensor, cameras can and do differ across a range of features. The 1Ds and the K-3 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 following table reports on some other key feature differences and similarities of the Canon 1Ds, the Pentax K-3 II, and comparable cameras. The full specs-sheets can be found in the camera manual or, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Canon 1Ds»optical Y 2.0 120 fixed n 8000 3.0 n n Canon 1Ds
Pentax K-3 II«optical Y 3.2 1037 fixed n 8000 8.3 n Y Pentax K-3 II
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 8000 16.0 n n Canon 1D X Mark II
Canon 1D C« »optical Y 3.2 1040 fixed n 8000 14.0 n n Canon 1D C
Canon 1D Mark IV« »optical Y 3.0 920 fixed n 8000 10.0 n n Canon 1D Mark IV
Canon 1Ds Mark III« »optical Y 3.0 230 fixed n 8000 5.0 n n Canon 1Ds Mark III
Canon 1D Mark III« »optical Y 3.0 230 fixed n 8000 10.0 n n Canon 1D Mark III
Canon 5D« »optical Y 2.5 230 fixed n 8000 3.0 n n Canon 5D
Canon 1D Mark II N« »optical Y 2.5 230 fixed n 8000 8.5 n n Canon 1D Mark II N
Canon 1Ds Mark II« »optical Y 2.0 230 fixed n 8000 4.0 n n Canon 1Ds Mark II
Canon 1D Mark II« »optical Y 2.0 230 fixed n 8000 8.3 n n Canon 1D Mark II
Nikon D2Xs« »optical Y 2.5 230 fixed n 8000 5.0 n n Nikon D2Xs
Panasonic GX8« »2360 n 3.0 1040 swivel Y 8000 10.0 n Y Panasonic GX8
Pentax KP« »optical n 3.0 921 tilting n 6000 7.0 Y Y Pentax KP
Pentax K-70« »optical n 3.0 921 swivel n 6000 6.0 Y Y Pentax K-70
Pentax K-3« »optical Y 3.2 1037 fixed n 8000 8.3 Y Y Pentax K-3
Pentax K-5« »optical Y 3.0 921 fixed n 8000 7.0 Y Y Pentax K-5

The K-3 II is a current model that online retailers, such as amazon, will have in stock. In contrast, the 1Ds has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the 1Ds was succeeded by the Canon 1Ds Mark II.

Review summary: Canon 1Ds vs Pentax K-3 II

So how do things add up? Which of the two cameras – the Canon 1Ds or the Pentax K-3 II – has the upper hand? 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-1Ds:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More heavily discounted: Has been available for much longer (launched in September 2002).

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Reasons to prefer the Pentax K-3 II:

  • More detail: Has more megapixels (24.1 vs 11MP), which boosts linear resolution by 48%.
  • 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: Scores substantially higher (17 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.8 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.6 EV of extra DR).
  • Broader imaging potential: Can capture not only stills but also 1080/60i video.
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 120k dots).
  • Faster burst: Shoots at higher frequency (8.3 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (131x100mm vs 156x157.6mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 465g or 37 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (720 versus 600) out of a single battery charge.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More affordable: Was introduced into a lower priced category (88 percent cheaper at launch).
  • More modern: Reflects 12 years and 7 months of technical progress since the 1Ds launch.

If the count of individual advantages (bullet points above) is taken as a guide, the K-3 II is the clear winner of the contest (16 : 2 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision.

1Ds 02:16 K-3 II

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the 1Ds or the K-3 II. 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. This is where reviews by experts come in. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Canon 1Ds»-HiRec--- Sep 2002 8,999- i Canon 1Ds
Pentax K-3 II«--5/54.5/55/5 Apr 2015 1,099 i i Pentax K-3 II
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i Canon 1D X Mark II
Canon 1D C« »----- Apr 2012 14,999- i Canon 1D C
Canon 1D Mark IV« »-89/100-5/5- Oct 2009 4,999- i Canon 1D Mark IV
Canon 1Ds Mark III« »-HiRec4.5/5-- Aug 2007 7,999- i Canon 1Ds Mark III
Canon 1D Mark III« »---rev- Feb 2007 4,499- i Canon 1D Mark III
Canon 5D« »88/100HiRecrevrev- Aug 2005 3,299- i Canon 5D
Canon 1D Mark II N« »----- Aug 2005 3,999- i Canon 1D Mark II N
Canon 1Ds Mark II« »-HiRec--- Sep 2004 7,999- i Canon 1Ds Mark II
Canon 1D Mark II« »-HiRec-rev- Jan 2004 4,499- i Canon 1D Mark II
Nikon D2Xs« »---rev- Jun 2006 4,699- i Nikon D2Xs
Panasonic GX8« »Rec82/1004.5/55/54.5/5 Jul 2015 1,199- i Panasonic GX8
Pentax KP« »-82/1005/5-4.5/5 Jan 2017 1,099 i i Pentax KP
Pentax K-70« »-79/1004.5/54/54.5/5 Jun 2016 649 i i Pentax K-70
Pentax K-3« »-83/1005/54.5/55/5 Oct 2013 1,299- i Pentax K-3
Pentax K-5« »-83/1005/54.5/54.5/5 Sep 2010 1,099- i Pentax K-5

Care should be taken when interpreting the review scores above, 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

 

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. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you cannot find the camera you are interested in, please contact me, and I will try to locate and add the respective data to the application.

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