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Sony A7R versus Canon 1100D

The Sony Alpha A7R and the Canon EOS 1100D (labelled Canon T3 in some countries) are two digital cameras that were revealed to the public, respectively, in October 2013 and February 2011. The A7R is a mirrorless interchangeable lens camera, while the 1100D is a DSLR. The cameras are based on a full frame (A7R) and an APS-C (1100D) sensor. The Sony has a resolution of 36.2 megapixel, whereas the Canon provides 12.2 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: Sony A7R vs Canon 1100D

An illustration of the physical size and weight of the Sony A7R and the Canon 1100D 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 width, height and depth dimensions 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 A7R – represents 100 percent across all the size and weight measures).

Compare Sony A7R vs Canon 1100D
Compare A7R versus 1100D top
Compare A7R and 1100D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 1100D is notably larger (9 percent) than the Sony A7R. Moreover, the 1100D is markedly heavier (6 percent) than the A7R. It is worth mentioning in this context that the A7R is splash and dust resistant, while the 1100D does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can find an overview of optics for the two cameras in the Sony FE Lens Catalog (A7R) and the Canon EF Lens Catalog (1100D). Mirrorless cameras, such as the Sony A7R, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the A7R gets 340 shots out of its NP-FW50 battery, while the 1100D can take 700 images on a single charge of its LP-E10 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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
Sony A7R» 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299- i Sony A7R
Canon 1100D« 5.1 in 3.9 in 3.1 in 17.5 oz 700 n Feb 2011 449- i Canon 1100D
Canon 1200D« » 5.1 in 3.9 in 3.1 in 16.9 oz 500 n Feb 2014 449- i Canon 1200D
Canon 650D« » 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849- i Canon 650D
Canon G1 X« » 4.6 in 3.2 in 2.6 in 18.8 oz 250 n Jan 2012 799- i Canon G1 X
Canon 600D« » 5.2 in 3.9 in 3.1 in 20.1 oz 440 n Feb 2011 599- i Canon 600D
Canon 1000D« » 5.0 in 3.9 in 2.6 in 17.7 oz 500 n Jun 2008 449- i Canon 1000D
Nikon D810« » 5.7 in 4.8 in 3.2 in 34.6 oz 1200 Y Jun 2014 3,299- i Nikon D810
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i Sony A7 III
Sony A7R III« » 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199 i i Sony A7R III
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i Sony A7R II
Sony RX1R II« » 4.4 in 2.6 in 2.8 in 17.9 oz 220 n Oct 2015 3,299 i i Sony RX1R II
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i Sony A7 II
Sony A7S« » 5.0 in 3.7 in 1.9 in 17.2 oz 380 Y Apr 2014 2,499- i Sony A7S
Sony A7« » 5.0 in 3.7 in 1.9 in 16.7 oz 340 Y Oct 2013 1,699- i Sony A7
Sony RX1R« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Jun 2013 2,799- i Sony RX1R
Sony RX1« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Sep 2012 2,799- i Sony RX1

The camera’s price is obviously a critical decision-making factor. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The 1100D was launched at a markedly lower price (by 80 percent) than the A7R, 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.

 

Sensor comparison: Sony A7R vs Canon 1100D

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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A7R features a full frame sensor and the Canon 1100D an APS-C sensor. The sensor area in the 1100D is 63 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of underlying technology, both cameras are build around CMOS sensors.

Sony A7R and Canon 1100D sensor measures

With 36.2MP, the A7R offers a higher resolution than the 1100D (12.2MP), but the A7R has smaller individual pixels (pixel pitch of 4.88μm versus 5.15μm for the 1100D). However, the A7R is a somewhat more recent model (by 2 years and 8 months) than the 1100D, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the A7R has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

A7R versus 1100D 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"). Of the two cameras under review, the A7R provides substantially higher image quality than the 1100D, with an overall score that is 33 points higher. This advantage is based on 3.7 bits higher color depth, 3.1 EV in additional dynamic range, and 1.9 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Sony A7R» Full Frame 36.2 7360 49121080/60p25.614.1274695Sony A7R
Canon 1100D« APS-C 12.2 4272 2848720/30p21.911.075562Canon 1100D
Canon 1200D« » APS-C 17.9 5184 34561080/30p21.911.372463Canon 1200D
Canon 650D« » APS-C 17.9 5184 34561080/30p21.711.272262Canon 650D
Canon G1 X« » 1.5-inch 14.2 4352 32641080/24p21.710.864460Canon G1 X
Canon 600D« » APS-C 17.9 5184 34561080/30p22.111.579365Canon 600D
Canon 1000D« » APS-C 10.1 3888 2592-----Canon 1000D
Nikon D810« » Full Frame 36.2 7360 49121080/60p25.714.8285397Nikon D810
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
Sony A7R III« » Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
Sony RX1R II« » Full Frame 42.2 7952 53041080/60p25.813.9320497Sony RX1R II
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
Sony A7S« » Full Frame 12.0 4240 28321080/60p23.913.2370287Sony A7S
Sony A7« » Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7
Sony RX1R« » Full Frame 24.0 6000 40001080/60p25.013.6253791Sony RX1R
Sony RX1« » Full Frame 24.0 6000 40001080/60p25.114.3253493Sony RX1

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A7R provides a higher video resolution than the 1100D. It can shoot video footage at 1080/60p, while the Canon is limited to 720/30p.

 

Feature comparison: Sony A7R vs Canon 1100D

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7R has an electronic viewfinder (2400k dots), while the 1100D has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The adjacent table lists some of the other core features of the Sony A7R and Canon 1100D along with similar information for a selection of comparators. If you need more detail on the specs, you can find comprehensive listings, 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
Sony A7R»2400 n 3.0 1230 tilting n 8000 4.0 n n Sony A7R
Canon 1100D«optical n 2.7 230 fixed n 4000 3.0 Y n Canon 1100D
Canon 1200D« »optical n 3.0 460 fixed n 4000 3.0 Y n Canon 1200D
Canon 650D« »optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon 650D
Canon G1 X« »optical n 3.0 922 Swivel n 4000 1.9 Y Y Canon G1 X
Canon 600D« »optical n 3.0 1040 swivel n 4000 3.7 Y n Canon 600D
Canon 1000D« »optical n 2.5 230 fixed n 4000 3.0 Y n Canon 1000D
Nikon D810« »optical Y 3.2 1229 fixed n 8000 5.0 Y n Nikon D810
Sony A7 III« »2359 n 3.0 922 tilting Y 8000 10.0 n Y Sony A7 III
Sony A7R III« »3686 n 3.0 1440 tilting Y 8000 10.0 n Y Sony A7R III
Sony A7R II« »2400 n 3.0 1229 tilting n 8000 5.0 n Y Sony A7R II
Sony RX1R II« »2360 n 3.0 1229 tilting n 4000 5.0 n n Sony RX1R II
Sony A7 II« »2400 n 3.0 1230 tilting n 8000 5.0 n Y Sony A7 II
Sony A7S« »2400 n 3.0 921 tilting n 8000 5.0 n n Sony A7S
Sony A7« »2400 n 3.0 1230 tilting n 8000 5.0 n n Sony A7
Sony RX1R« »- n 3.0 1229 fixed n 4000 5.0 Y n Sony RX1R
Sony RX1« »- n 3.0 1229 fixed n 4000 5.0 Y n Sony RX1

One difference between the cameras concerns the presence of an on-board flash. The 1100D has one, while the A7R does not. While the build-in flash of the 1100D is not very powerful, it can at times be useful as a fill-in light.

The A7R writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the 1100D uses SDXC cards.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Sony A7R»YstereomonoYYmicro2.0YY-Sony A7R
Canon 1100D«Ystereomono--mini2.0---Canon 1100D
Canon 1200D« »Ymonomono--mini2.0---Canon 1200D
Canon 650D« »YstereomonoY-mini2.0---Canon 650D
Canon G1 X« »Ystereomono--mini2.0---Canon G1 X
Canon 600D« »YmonomonoY-mini2.0---Canon 600D
Canon 1000D« »Y-----2.0---Canon 1000D
Nikon D810« »YstereomonoYYmini3.0Y--Nikon D810
Sony A7 III« »YstereomonoYYmicro3.1YYYSony A7 III
Sony A7R III« »YstereomonoYYmicro3.1YYYSony A7R III
Sony A7R II« »YstereomonoYYmicro2.0YY-Sony A7R II
Sony RX1R II« »YstereomonoY-micro2.0YY-Sony RX1R II
Sony A7 II« »YstereomonoYYmicro2.0YY-Sony A7 II
Sony A7S« »YstereomonoYYmicro2.0YY-Sony A7S
Sony A7« »YstereomonoYYmicro2.0YY-Sony A7
Sony RX1R« »YstereomonoY-mini2.0---Sony RX1R
Sony RX1« »YstereomonoY-mini2.0---Sony RX1

Both the A7R and the 1100D have been discontinued, but can regularly be found used on eBay. The 1100D was replaced by the Canon 1200D, while the A7R was followed by the Sony A7R II.

Review summary: Sony A7R vs Canon 1100D

So what is the bottom line? Which of the two cameras – the Sony A7R or the Canon 1100D – has the upper hand? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Sony Alpha A7R:

  • More detail: Offers more megapixels (36.2 vs 12.2MP) with a 72% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (33 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (3.7 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (3.1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.9 stops ISO advantage).
  • Better video: Provides higher definition movie capture (1080/60p vs 720/30p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1230k vs 230k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (4 vs 3 flaps/sec) to capture the decisive moment.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier file upload: Has wifi build in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More modern: Reflects 2 years and 8 months of technical progress since the 1100D launch.

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Arguments in favor of the Canon EOS 1100D:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Gets more shots (700 versus 340) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (80 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2011).

If the count of individual advantages (bullet points above) is taken as a guide, the A7R is the clear winner of the match-up (20 : 6 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.

A7R 20:06 1100D

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the A7R or the 1100D handle or perform in practice. 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 table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available 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
Sony A7R»HiRec82/1004.5/55/55/5 Oct 2013 2,299- i Sony A7R
Canon 1100D«80/10069/1004/54/54.5/5 Feb 2011 449- i Canon 1100D
Canon 1200D« »Rec-4/54/54.5/5 Feb 2014 449- i Canon 1200D
Canon 650D« »HiRec77/1004.5/54.5/54.5/5 Jun 2012 849- i Canon 650D
Canon G1 X« »Rec76/1004/54/54.5/5 Jan 2012 799- i Canon G1 X
Canon 600D« »rev77/1004.5/55/54.5/5 Feb 2011 599- i Canon 600D
Canon 1000D« »82/100HiRec3.5/54/54.5/5 Jun 2008 449- i Canon 1000D
Nikon D810« »-86/1005/54.5/54.5/5 Jun 2014 3,299- i Nikon D810
Sony A7 III« »HiRec89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III
Sony A7R III« »HiRec90/1004.5/55/55/5 Oct 2017 3,199 i i Sony A7R III
Sony A7R II« »HiRec90/1005/54.5/55/5 Jun 2015 3,199- i Sony A7R II
Sony RX1R II« »-82/100-rev4.5/5 Oct 2015 3,299 i i Sony RX1R II
Sony A7 II« »Rec82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
Sony A7S« »-86/1004.5/54.5/55/5 Apr 2014 2,499- i Sony A7S
Sony A7« »HiRec80/1005/54.5/55/5 Oct 2013 1,699- i Sony A7
Sony RX1R« »--4/5rev4.5/5 Jun 2013 2,799- i Sony RX1R
Sony RX1« »-79/1004/54.5/54.5/5 Sep 2012 2,799- i Sony RX1

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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

 

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. If you cannot find the camera you are interested in, please send me an email, and I will try to add information on that model to the database.

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