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Canon 1Ds vs Sony A7S

The Canon EOS-1Ds and the Sony Alpha A7S are two professional cameras that were revealed to the public, respectively, in September 2002 and April 2014. The 1Ds is a DSLR, while the A7S is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. The Canon has a resolution of 11 megapixels, whereas the Sony provides 12 MP.

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

Headline Specifications
Canon 1Ds
versus
Sony A7S
Canon 1Ds   Sony A7S
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Sony E mount lenses
11 MP, Full Frame Sensor 12 MP, Full Frame Sensor
no Video 1080/60p Video
ISO 100-1,250 ISO 100-102,400 (50 - 409,600)
Optical viewfinder Electronic viewfinder (2400k dots)
2.0 LCD, 120k dots 3.0 LCD, 921k dots
Fixed screen (not touch-sensitive) Tilting screen (not touch-sensitive)
3 shutter flaps per second 5 shutter flaps per second
Weathersealed bodyWeathersealed body
600 shots per battery charge380 shots per battery charge
156 x 158 x 80 mm, 1265 g 127 x 94 x 48 mm, 489 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1Ds and the Sony Alpha A7S? 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 physical size and weight of the Canon 1Ds and the Sony A7S are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Canon 1Ds vs Sony A7S
Compare 1Ds versus A7S top
Comparison 1Ds or A7S rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S is considerably smaller (52 percent) than the Canon 1Ds. Moreover, the A7S is substantially lighter (61 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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (1Ds) and the Sony FE Lens Catalog (A7S). Mirrorless cameras, such as the A7S, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 1Ds gets 600 shots out of its NP-E3 battery, while the A7S can take 380 images on a single charge of its NP-FW50 power pack. As can be seen in the images above, the 1Ds 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 A7S, Sony provides the VG-C1EM vertical grip as an optional accessory (see here on eBay). The power pack in the A7S 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. 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 1Ds 156 mm 158 mm 80 mm 1265 g 600 Y Sep 2002 8,999 i
2.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499 i
3.
 
Canon 1D X Mark III 158 mm 168 mm 83 mm 1440 g 2850 Y Jan 2020 6,499 i
4.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999 i
5.
 
Canon 1D C 158 mm 164 mm 83 mm 1545 g 1120 Y Apr 2012 14,999 i
6.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999 i
7.
 
Canon 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 4,499 i
8.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999 i
9.
 
Canon 1D Mark II N 156 mm 158 mm 80 mm 1565 g 1200 Y Aug 2005 3,999 i
10.
 
Canon 5D 152 mm 113 mm 75 mm 895 g 400 Y Aug 2005 3,299 i
11.
 
Canon 1D Mark II 156 mm 158 mm 80 mm 1535 g 1200 Y Jan 2004 4,499 i
12.
 
Canon 1Ds Mark II 156 mm 158 mm 80 mm 1215 g 1200 Y Sep 2004 7,999 i
13.
 
Nikon Df 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749 i
14.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999 i
15.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999 i
16.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699 i
17.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision 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 A7S was launched at a markedly lower price (by 72 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

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 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.

Canon 1Ds and Sony A7S sensor measures

Despite having a slightly smaller sensor, the A7S offers a slightly higher resolution of 12 megapixels, compared with 11 MP of the 1Ds. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 8.45μm versus 8.83μm for the 1Ds). However, it should be noted that the A7S is much more recent (by 11 years and 6 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.

The Canon EOS-1Ds has a native sensitivity range from ISO 100 to ISO 1250, which can be extended to ISO 50-1250. The corresponding ISO settings for the Sony Alpha A7S are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.

1Ds versus A7S 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 A7S offers substantially better image quality than the 1Ds (overall score 24 points higher). The advantage is based on 2.1 bits higher color depth, 2.2 EV in additional dynamic range, and 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.

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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 1Ds Full Frame 11.0 4064 2704none21.811.0954 63
2.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.23702 87
3.
 
Canon 1D X Mark III Full Frame 20.0 5472 36484K/60p24.214.53248 91
4.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.53207 88
5.
 
Canon 1D C Full Frame 17.9 5184 34564K/24p...... ..
6.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.01320 74
7.
 
Canon 1D Mark III APS-H 10.1 3888 2592none22.711.71078 71
8.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.01663 80
9.
 
Canon 1D Mark II N APS-H 8.2 3504 2336none22.311.2975 66
10.
 
Canon 5D Full Frame 12.7 4368 2912none22.911.11368 71
11.
 
Canon 1D Mark II APS-H 8.2 3504 2336none22.311.11003 66
12.
 
Canon 1Ds Mark II Full Frame 16.6 4992 3328none23.311.31480 74
13.
 
Nikon Df Full Frame 16.2 4928 3280none24.613.13279 89
14.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.32993 85
15.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.62449 90
16.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.22248 90
17.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.12746 95

Many modern cameras are not only capable of taking still images, but can also record movies. The A7S indeed provides for movie recording, while the 1Ds does not. The highest resolution format that the A7S can use is 1080/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7S has an electronic viewfinder (2400k dots), while the 1Ds 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A7S has a higher magnification than the one of the 1Ds (0.71x vs 0.70x), 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 1Ds and Sony A7S along with similar information for a selection of comparators.

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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)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 1Dsoptical Y 2.0 120 fixed n 1/8000s 3.0 n n
2.
 
Sony A7S2400 n 3.0 921 tilting n 1/8000s 5.0 n n
3.
 
Canon 1D X Mark IIIoptical Y 3.2 2100 fixed Y 1/8000s 20.0 n n
4.
 
Canon 1D X Mark IIoptical Y 3.2 1620 fixed Y 1/8000s 16.0 n n
5.
 
Canon 1D Coptical Y 3.2 1040 fixed n 1/8000s 14.0 n n
6.
 
Canon 1D Mark IVoptical Y 3.0 920 fixed n 1/8000s 10.0 n n
7.
 
Canon 1D Mark IIIoptical Y 3.0 230 fixed n 1/8000s 10.0 n n
8.
 
Canon 1Ds Mark IIIoptical Y 3.0 230 fixed n 1/8000s 5.0 n n
9.
 
Canon 1D Mark II Noptical Y 2.5 230 fixed n 1/8000s 8.5 n n
10.
 
Canon 5Doptical Y 2.5 230 fixed n 1/8000s 3.0 n n
11.
 
Canon 1D Mark IIoptical Y 2.0 230 fixed n 1/8000s 8.3 n n
12.
 
Canon 1Ds Mark IIoptical Y 2.0 230 fixed n 1/8000s 4.0 n n
13.
 
Nikon Dfoptical Y 3.2 921 fixed n 1/4000s 5.5 n n
14.
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
15.
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y
16.
 
Sony A72400 n 3.0 1230 tilting n 1/8000s 5.0 n n
17.
 
Sony A7R2400 n 3.0 1230 tilting n 1/8000s 4.0 n n

One feature that is present on the 1Ds, but is missing on the A7S 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 A7S 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 1Ds writes its imaging data to Compact Flash cards, while the A7S uses SDXC or Memory Stick PRO Duo cards.

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-1Ds and Sony Alpha A7S 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 1DsY-----FW---
2.
 
Sony A7SYstereomonoYYmicro2.0YY-
3.
 
Canon 1D X Mark IIIYmonomonoYYmini3.1Y-Y
4.
 
Canon 1D X Mark IIYmonomonoYYmini3.0---
5.
 
Canon 1D CYmonomonoYYmini2.0---
6.
 
Canon 1D Mark IVYstereo-Y-mini2.0---
7.
 
Canon 1D Mark IIIY-----2.0---
8.
 
Canon 1Ds Mark IIIYmono----2.0---
9.
 
Canon 1D Mark II NY-----1.1---
10.
 
Canon 5DY-----2.0---
11.
 
Canon 1D Mark IIY-----1.1---
12.
 
Canon 1Ds Mark IIY-----2.0---
13.
 
Nikon DfY----mini2.0---
14.
 
Sony A7S IIYstereomonoYYmicro2.0YY-
15.
 
Sony A7 IIYstereomonoYYmicro2.0YY-
16.
 
Sony A7YstereomonoYYmicro2.0YY-
17.
 
Sony A7RYstereomonoYYmicro2.0YY-

It is notable that the A7S offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 1Ds does not provide wifi capability.

Studio photographers will appreciate that the Canon 1Ds (unlike the A7S) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 1Ds and the A7S have been discontinued, but can regularly be found used on eBay. The 1Ds was replaced by the Canon 1Ds Mark II, while the A7S was followed by the Sony A7S 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 Sony websites.

Review summary

So how do things add up? Is there a clear favorite between the Canon 1Ds and the Sony A7S? Which camera is better? 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:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (600 versus 380) on a single battery charge.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in September 2002).

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Advantages of the Sony Alpha A7S:

  • Better image quality: Scores substantially higher (24 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.1 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.2 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.70x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (921k vs 120k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (127x94mm vs 156x158mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 776g or 61 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.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (72 percent cheaper at launch).
  • More modern: Reflects 11 years and 6 months of technical progress since the 1Ds launch.

If the count of individual advantages (bullet points above) is taken as a guide, the A7S is the clear winner of the contest (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. 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.

1Ds 06:20 A7S

How about other alternatives? Do the specifications of the Canon 1Ds and the Sony A7S 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 incomplete and does no justice, for example, to the way the 1Ds or the A7S perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why hands-on reviews by experts 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], 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 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1Ds....+ +.... Sep 2002 8,999 i
2.
 
Sony A7S4/5..86/1004.5/55/5 Apr 2014 2,499 i
3.
 
Canon 1D X Mark III..+ +..4.5/54/5 Jan 2020 6,499 i
4.
 
Canon 1D X Mark II....89/1004.5/54.5/5 Feb 2016 5,999 i
5.
 
Canon 1D C.......... Apr 2012 14,999 i
6.
 
Canon 1D Mark IV5/5..89/100.... Oct 2009 4,999 i
7.
 
Canon 1D Mark III.......... Feb 2007 4,499 i
8.
 
Canon 1Ds Mark III....+ +4.5/5.. Aug 2007 7,999 i
9.
 
Canon 1D Mark II N.......... Aug 2005 3,999 i
10.
 
Canon 5D..88/100+ +o.. Aug 2005 3,299 i
11.
 
Canon 1D Mark II....+ +.... Jan 2004 4,499 i
12.
 
Canon 1Ds Mark II....+ +.... Sep 2004 7,999 i
13.
 
Nikon Df4/5..81/1004/54/5 Nov 2013 2,749 i
14.
 
Sony A7S II5/5+..4.5/55/5 Sep 2015 2,999 i
15.
 
Sony A7 II5/5+82/1004.5/55/5 Nov 2014 1,999 i
16.
 
Sony A75/5+ +80/1005/55/5 Oct 2013 1,699 i
17.
 
Sony A7R5/5+ +82/1004.5/55/5 Oct 2013 2,299 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Canon 1Ds:
Check Ebay offers
Sony A7S:
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 1Ds vs Sony A7S

    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 1Ds Sony A7S
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Sony E mount lenses
    Launch Date September 2002 April 2014
    Launch Price USD 8,999 USD 2,499
    Sensor Specs Canon 1Ds Sony A7S
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 36.0 x 23.8 mm 35.8 x 23.9 mm
    Sensor Area 856.8 mm2 855.62 mm2
    Sensor Diagonal 43.2 mm 43 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 11 Megapixels 12 Megapixels
    Image Resolution 4064 x 2704 pixels 4240 x 2832 pixels
    Pixel Pitch 8.83 μm 8.45 μm
    Pixel Density 1.28 MP/cm2 1.40 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 1,250 ISO 100 - 102,400 ISO
    ISO Boost 50 - 1,250 ISO 50 - 409,600 ISO
    Image Processor DIGIC BIONZ X
    DXO Sensor Quality (score) 63 87
    DXO Color Depth (bits) 21.8 23.9
    DXO Dynamic Range (EV) 11.0 13.2
    DXO Low Light (ISO) 954 3702
    Screen Specs Canon 1Ds Sony A7S
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.71x
    Viewfinder Resolution 2400k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 2.0inch 3.0inch
    LCD Resolution 120k dots 921k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Canon 1Ds Sony A7S
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Canon 1Ds Sony A7S
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector Firewire 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
    Near-Field Communication no NFC NFC built-in
    Body Specs Canon 1Ds Sony A7S
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-E3 NP-FW50
    Battery Life (CIPA)600 shots per charge380 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 156 x 158 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    Camera Weight 1265 g (44.6 oz) 489 g (17.2 oz)

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