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Canon 7D vs Pentax K-3

The Canon EOS 7D and the Pentax K-3 are two enthusiast cameras that were announced, respectively, in September 2009 and October 2013. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Canon has a resolution of 17.9 megapixels, whereas the Pentax provides 24.1 MP.

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

Headline Specifications
Canon 7D
versus
Pentax K-3
Canon 7D   Pentax K-3
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Pentax K mount lenses
17.9 MP – APS-C sensor 24.1 MP – APS-C sensor
1080/30p Video 1080/60i Video
ISO 100-6,400 (100 - 12,800) ISO 100-51,200
Optical viewfinder Optical viewfinder
3.0" LCD – 920k dots 3.0" LCD – 1037k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
8 shutter flaps per second 8.3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
800 shots per battery charge560 shots per battery charge
148 x 111 x 74 mm, 860 g 131 x 100 x 77 mm, 800 g
Canon 7D:
Check Ebay offers
Pentax K-3:
Check Ebay offers

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 7D and the Pentax K-3? 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 side-by-side display below illustrates the physical size and weight of the Canon 7D and the Pentax K-3. 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-3 can be obtained in two different colors (black, silver), while the 7D is only available in black.

Size Canon 7D vs Pentax K-3
Compare 7D versus K-3 top
Comparison 7D or K-3 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 is notably smaller (20 percent) than the Canon 7D. Moreover, the K-3 is markedly lighter (7 percent) than the 7D. 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 7D gets 800 shots out of its LP-E6 battery, while the K-3 can take 560 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, 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.
 
Canon 7D 148 mm 111 mm 74 mm 860 g 800 Y Sep 2009 1,699i
2.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299i
3.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799 i
4.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199i
5.
 
Canon 60D 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 1,399i
6.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699i
7.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799i
8.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499i
9.
 
Canon 50D 146 mm 108 mm 74 mm 822 g 800 Y Aug 2008 1,299i
10.
 
Canon 30D 144 mm 106 mm 74 mm 785 g 750 n Feb 2006 1,399i
11.
 
Canon 20D 144 mm 106 mm 72 mm 770 g 700 n Aug 2004 1,499i
12.
 
Nikon D7100 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199i
13.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499i
14.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099 i
15.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099i
16.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099i
17.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399i
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The K-3 was launched at a somewhat lower price (by 24 percent) than the 7D, which makes it more attractive for photographers on a tight budget. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the 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. 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 associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the K-3 is 11 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (7D) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 7D and Pentax K-3 sensor measures

With 24.1MP, the K-3 offers a higher resolution than the 7D (17.9MP), but the K-3 has smaller individual pixels (pixel pitch of 3.90μm versus 4.31μm for the 7D). Yet, the K-3 is a much more recent model (by 4 years and 1 month) than the 7D, 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-3 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 for good quality output (200 dots per inch) amounts to 30.1 x 20 inches or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inches or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inches or 50.9 x 33.9 cm. The corresponding values for the Canon 7D are 25.9 x 17.3 inches or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inches or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inches or 43.9 x 29.3 cm for excellent quality prints.

The Canon EOS 7D has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-12800. The corresponding ISO settings for the Pentax K-3 are ISO 100 to ISO 51200 (no boost).

7D versus K-3 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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. Of the two cameras under consideration, the K-3 offers substantially better image quality than the 7D (overall score 14 points higher). The advantage is based on 1.7 bits higher color depth, 1.7 EV in additional dynamic range, and 0.5 stops in additional low light sensitivity. 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.
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466
2.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
3.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
4.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
5.
 
Canon 60D APS-C 17.9 5184 34561080/30p22.211.581366
6.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
7.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
8.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
9.
 
Canon 50D APS-C 15.1 4752 3168none21.811.469663
10.
 
Canon 30D APS-C 8.2 3504 2336none21.510.873659
11.
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162
12.
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683
13.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
14.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
15.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
16.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
17.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the K-3 provides a faster frame rate than the 7D. It can shoot movie footage at 1080/60i, while the Canon is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The 7D and the K-3 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%), as well as the same magnification (0.63x). The table below summarizes some of the other core capabilities of the Canon 7D and Pentax K-3 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
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 7Doptical Y3.0 / 920 fixed n 1/8000s 8.0/s Y n
2.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
3.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
4.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
5.
 
Canon 60Doptical Y3.0 / 1040 swivel n 1/8000s 5.3/s Y n
6.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
7.
 
Canon T1ioptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
8.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
9.
 
Canon 50Doptical Y3.0 / 920 fixed n 1/8000s 6.3/s Y n
10.
 
Canon 30Doptical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
11.
 
Canon 20Doptical Y1.8 / 118 fixed n 1/8000s 5.0/s Y n
12.
 
Nikon D7100optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
13.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
14.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
15.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
16.
 
Pentax K-5 IIoptical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
17.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the K-3 and the 7D is in-body image stabilization (IBIS). The K-3 reduces the risk of handshake-induced blur with all attached lenses, while the 7D offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The Pentax K-3 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 7D writes its imaging data to Compact Flash cards, while the K-3 uses SDXC cards. The K-3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the 7D only has one slot.

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 7D and Pentax K-3 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
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 7DYmono / -Y-mini2.0---
2.
 
Pentax K-3Ymono / monoYYmini3.0---
3.
 
Canon 7D IIYstereo / monoYYmini3.0---
4.
 
Canon 70DYstereo / monoY-mini2.0Y--
5.
 
Canon 60DYmono / monoY-mini2.0---
6.
 
Canon T2iYstereo / -Y-mini2.0---
7.
 
Canon T1iYmono / mono--mini2.0---
8.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
9.
 
Canon 50DY- / ---mini2.0---
10.
 
Canon 30DY- / ----2.0---
11.
 
Canon 20DY- / ----1.1---
12.
 
Nikon D7100Ystereo / monoYYmini2.0---
13.
 
Nikon D7000Ymono / monoY-mini2.0---
14.
 
Pentax KPYstereo / monoY--2.0Y--
15.
 
Pentax K-3 IIYmono / monoYYmini3.0---
16.
 
Pentax K-5 IIYstereo / monoY-mini2.0---
17.
 
Sony A77Ystereo / monoY-mini2.0---

It is notable that the K-3 has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The 7D lacks such a headphone port.

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

Both the 7D and the K-3 have been discontinued, but can regularly be found used on eBay. The 7D was replaced by the Canon 7D Mark II, while the K-3 was followed by the Pentax K-3 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Pentax websites.

Review summary

So how do things add up? Is there a clear favorite between the Canon 7D and the Pentax K-3? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Canon EOS 7D:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Longer lasting: Can take more shots (800 versus 560) on a single battery charge.
  • More heavily discounted: Has been available for much longer (launched in September 2009).

ilogo

Advantages of the Pentax K-3:

  • More detail: Has more megapixels (24.1 vs 17.9MP), which boosts linear resolution by 16%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (14 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.5 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
  • Better sound control: Has a headphone port that enables audio monitoring while 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 (1037k vs 920k dots).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (131x100mm vs 148x111mm) and will fit more readily into a bag.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was released into a lower priced segment (24 percent cheaper at launch).
  • More modern: Reflects 4 years and 1 month of technical progress since the 7D launch.

If the count of relative strengths (bullet points above) is taken as a measure, the K-3 is the clear winner of the contest (17 : 3 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. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

7D 03:17 K-3

How about other alternatives? Do the specifications of the Canon 7D and the Pentax K-3 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 7D or the K-3. 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 7D5/5+ +..84/1004.5/54.5/5 Sep 2009 1,699i
2.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299i
3.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 1,799 i
4.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199i
5.
 
Canon 60D5/5+..79/1004/54.5/5 Aug 2010 1,399i
6.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 699i
7.
 
Canon T1i..+ +..74/1004.5/54.5/5 Mar 2009 799i
8.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499i
9.
 
Canon 50D..+ +..+ +4.5/54.5/5 Aug 2008 1,299i
10.
 
Canon 30D..+ +..+ +o.. Feb 2006 1,399i
11.
 
Canon 20D......+ +.... Aug 2004 1,499i
12.
 
Nikon D71005/5+ +..85/1004.5/54.5/5 Feb 2013 1,199i
13.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499i
14.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 1,099 i
15.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099i
16.
 
Pentax K-5 II5/5....80/1005/54.5/5 Sep 2012 1,099i
17.
 
Sony A775/591/100..81/100..5/5 Aug 2011 1,399i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon 7D:
Check Ebay offers
Pentax K-3:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Canon 7D vs Pentax K-3

    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 7D Pentax K-3
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Pentax K mount lenses
    Launch Date September 2009 October 2013
    Launch Price USD 1,699 USD 1,299
    Sensor Specs Canon 7D Pentax K-3
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.9 mm 23.5 x 15.6 mm
    Sensor Area 332.27 mm2 366.6 mm2
    Sensor Diagonal 26.8 mm 28.2 mm
    Crop Factor 1.6x 1.5x
    Sensor Resolution 17.9 Megapixels 24.1 Megapixels
    Image Resolution 5184 x 3456 pixels 6016 x 4000 pixels
    Pixel Pitch 4.31 μm 3.90 μm
    Pixel Density 5.39 MP/cm2 6.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video 1080/60i Video
    ISO Setting 100 - 6,400 ISO 100 - 51,200 ISO
    ISO Boost 100 - 12,800 ISO no Enhancement
    Image Processor DIGIC 4 (Dual) PRIME III
    DXO Sensor Quality (score) 66 80
    DXO Color Depth (bits) 22.0 23.7
    DXO Dynamic Range (EV) 11.7 13.4
    DXO Low Light (ISO) 854 1216
    Screen Specs Canon 7D Pentax K-3
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.63x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 920k dots 1037k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 7D Pentax K-3
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 8.3 shutter flaps/s
    Shutter Life Expectancy150 000 actuations200 000 actuations
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium CF cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    Connectivity Specs Canon 7D Pentax K-3
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi no Wifi
    Body Specs Canon 7D Pentax K-3
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type LP-E6 D-LI90
    Battery Life (CIPA)800 shots per charge560 shots per charge
    Body Dimensions 148 x 111 x 74 mm
    (5.8 x 4.4 x 2.9 in)
    131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 860 g (30.3 oz) 800 g (28.2 oz)
    Canon 7D:
    Check Ebay offers
    Pentax K-3:
    Check Ebay offers

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