August 2013


Photo 1: EOS 70D

Photo 1: EOS 70D

EOS 70D Approx. 20.20 megapixel CMOS sensor
Full-time ISO 12800, DIGIC 5+ imaging processor
All 19 AF points are cross type (dual-cross center AF point sensitive to f/2.8)
Approx. 7 fps high-speed continuous shooting, dual pixel CMOS AF
Intelligent viewfinder, HDR shooting
Multiple exposures, in-camera RAW processing
Wi-Fi® functionality

This month's technical report brings you the latest information on the EOS 70D.

Development objective

As the successor to the EOS 60D, the EOS 70D (Photo 1) was designed to provide faster, more comfortable operation and better image quality.

Image quality rivaling that of top-end models
  • Approx. 20.20 megapixel CMOS sensor
  • DIGIC 5+ imaging processor
  • Full-time ISO range of 100 to 12800 (extendable to ISO 25600)
Excellent basic camera functionality
  • All 19 AF points are cross-type points
  • Approx. 7 fps high-speed continuous shooting
  • Intelligent viewfinder
  • Approx. 98 percent viewfinder coverage
Cutting-edge creative imaging and image processing functions
  • Multiple exposures
  • High dynamic range (HDR) shooting
  • In-camera RAW processing
  • Better image quality through chromatic aberration correction and other functions
Improved Live View shooting and movie shooting functions
  • Dual pixel CMOS AF
  • Genuine Full HD movie recording
  • Built-in stereo microphone
Comfortable operation and Wi-Fi functionality
  • New controls, including the Mode Dial lock and the multi function lock switch
  • Vari-angle Clear View LCD II monitor and touch panel
  • Built-in Wi-Fi (wireless LAN) functionality

Below we give a general overview of the EOS 70D, concentrating on the advances and improvements from the EOS 60D.

Image quality rivaling that of top-end models

Photo 2: CMOS sensor

Photo 2: CMOS sensor

(1) Approx. 20.20 megapixel CMOS sensor

The EOS 70D features a high-sensitivity CMOS sensor (Photo 2) with an effective sensor size of 22.5 x 15.0 millimeters and approximately 20.20 effective megapixels, the most for a Canon APS-C sensor. The sensor provides more pixels and better image quality because of its low noise, wide ISO range, and broad dynamic range.

(2) High-quality, fast image processing with the DIGIC 5+

The latest imaging processor, the DIGIC 5+, gives the EOS 70D fast, low-noise image processing as well as multiple exposure shooting and HDR shooting capability.

(3) Wide ISO 100 - 12800 range opens up new creative shooting opportunities

The CMOS architecture using the latest technology and the low-noise processing of the DIGIC 5+ together realize a full-time ISO range of 100 to 12800, a full stop wider than the EOS 60D.

Excellent basic camera functionality

Figure 1: Viewfinder coverage

Figure 1: Viewfinder coverage

Figure 2: Electronic level

Figure 2: Electronic level

(1) All 19 AF points are cross-type points

The EOS 70D comes with the EOS 7D's 19 AF point architecture, all of which are cross-type points (including a dual-cross center AF point sensitive to f/2.8), giving much better subject-capture ability. Users can choose between Single-point AF selection, 19-point auto AF selection, and Zone AF, which divides the 19 points into five zones. (Spot AF is not available.)

A custom function lets users customize the AI Servo AF characteristics.

(2) Approx. 7 fps maximum continuous shooting speed

In addition to the approx. 7 fps and approx. 3 fps continuous shooting modes, there are silent single shooting and silent continuous shooting modes that drive the shutter and mirror cocking at low speeds for quieter operation.

(3) Intelligent viewfinder

With 98-percent coverage, the viewfinder includes a transparent liquid crystal to superimpose the 19 AF points, a grid, an electronic level, and other indicators (Figure 1).

The camera has a fixed focusing screen with the same characteristics as the EOS 6D's focusing screen.

(4) Electronic level

The LCD monitor and the viewfinder both display a horizontal electronic level. The viewfinder shows two types of levels: a level using the AF point display (which disappears when the shutter button is pressed halfway) and a simplified level (Figure 2) that is always shown.

Cutting-edge creative imaging and image processing functions

Photo 3: Multiple exposure shooting

Photo 3: Multiple exposure shooting

(1) Multiple exposures

The EOS 70D can take between two and nine exposures (Photo 3) with one shutter release. With the RAW + JPEG setting, it is possible to create both RAW and JPEG multiple-exposure images. Users can select either Additive or Average for the combined image's final exposure. The Comparative (Bright) and Comparative (Dark) options are not available on the EOS 70D.

(2) High dynamic range (HDR) mode

In HDR mode, the camera takes three exposures — one underexposed, one at normal exposure, and one overexposed — and combines them to create an image with a broad, natural-looking tonality. Note that Art Bold and other creative filters cannot be applied in HDR mode.

(3) In-camera RAW processing

The in-camera RAW processing function applies the following processes to RAW images captured with the EOS 70D and saves the result as a JPEG image: brightness adjustments, white balance, Picture Style, Auto Lighting Optimizer, high ISO speed noise reduction, JPEG image recording quality, color space, lens peripheral illumination correction, distortion correction, and chromatic aberration correction.

(4) High-quality functions

The camera can apply peripheral illumination correction and chromatic aberration correction to correct lens optics when shooting. Also added is Multi Shot Noise Reduction, which is effective for reducing noise when shooting at high ISO speeds. And more impressive tones can be obtained with the EOS Scene Detection System's Nature and Outdoor Scene and Sunset Scene.

Improved Live View shooting and movie shooting functions

(1) Dual pixel CMOS AF

This section introduces the dual pixel CMOS AF, a newly developed AF system deployed for the first time on the EOS 70D.

  • Development goal

    Dual pixel CMOS AF was developed to bring the feel of Live View shooting closer to that of viewfinder shooting.

  • Characteristics

    Hybrid CMOS AF, such as that on the EOS Kiss X7i*1, uses contrast AF for the final focusing step. Dual pixel CMOS AF, on the other hand, uses phase-difference AF for the entire focusing process. As a result, the EOS 70D, when using the EF-S 18-55mm f/3.5-5.6 IS STM lens, can focus about twice as fast as the hybrid CMOS AF on the EOS Kiss X7i*1 and about 30 percent faster than the hybrid CMOS AF II on the EOS Kiss X7*2.*3 The dual pixel CMOS AF also offers smooth AF control suitable for movies when movie recording.

    *1. Japan: EOS Kiss X7i, Americas: EOS Rebel T5i, Europe/Asia/Oceania: EOS 700D
    *2. Japan: EOS Kiss X7, Americas: EOS Rebel SL1, Europe/Asia/Oceania: EOS 100D
    *3. Canon internal comparison. The difference in AF speeds may be smaller depending on the photographic lens and shooting conditions.
    The dual pixel CMOS AF covers approximately 80 percent, horizontal and vertical, of the image frame. Therefore, Face + Tracking AF, FlexiZone AF, and Single AF have a broad area to work with.

    Illustration of AF speed comparisons with Live View shooting

    Illustration of AF speed comparisons with Live View shooting

  • Applicable lenses

    Dual pixel CMOS AF works with 103 EF and EF-S lenses (as of July 2, 2013).

  • Technical description

    The EOS 70D image sensor has a dual architecture, in which two photodiodes are arranged for each pixel, in order to implement dual pixel CMOS AF. Thus, the image sensor has two functions: that of a phase-difference AF line sensor and of an image sensor (Figure 3).

    Figure 3: Illustration of the pixel architecture for dual pixel CMOS AF

    Figure 3: Illustration of the pixel architecture for dual pixel CMOS AF

    The focusing principle is illustrated in Figure 4. Focusing is achieved when the left and right signals overlap the most. Vertical lines are detected to determine the focus.

    Figure 4: Illustration of focus detection with dual pixel CMOS AF

    Figure 4: Illustration of focus detection with dual pixel CMOS AF

(2) Genuine full HD movie recording

Users can select either ALL-I, which is best for movie editing, or IPB, which is suited for long recordings, for the compression format of recorded movies. There are also several time code settings that are essential for professional video editing.

(3) Built-in stereo microphone

The EOS 70D has a built-in stereo microphone that can record realistic audio. There are also wind-filter and attenuator functions.

Design and operability

(1) Design concept

The design adds a sharper edge to the streamlined, contoured form and the essential EOS elegance to create a solid form suitable for the successor to the EOS 60D. While the 70D has many advanced features over the 60D, the 70D body is slightly smaller.

Photo 4: Mode Dial

Photo 4: Mode Dial

(2) Special Scene mode

The Special Scene (SCN) mode combines the Portrait, Handheld Night Scene, HDR Backlight Control, and other shooting modes. This allows users to easily set the shooting mode, which previous had a hierarchy of levels to navigate (Photo 4).

(3) Comfortable operation

Following the trend among middle-class EOS models, the EOS 70D comes with a 360-degree rotating Mode Dial and Mode Dial lock, Multi-Function Lock switch, and Multi-controller. These enable users to make full use of the many 70D functions in comfort.

(4) Flexible customization

The EOS 70D can be customized to suit all sorts of shooting styles, including a custom shooting mode and custom controls.

Vari-angle Clear View LCD II touch panel

(1) Intuitive touch panel operation

Nearly all operations — menu operations, setting shooting functions, flipping through images at playback, and magnifying or reducing images — can be done with the fingertips while watching the LCD monitor.

(2) Clear View LCD II monitor

The 3.0-inch, approximately 1.04-million-dot, fine-detail LCD monitor uses a solid construction that eliminates the space (air gap) between the LCD monitor's surface and the liquid crystals to prevent reflections. Anti-smudge and anti-reflection coatings are applied to the surface so that any dirt can be easily wiped away for clear LCD displays with almost no reflections, even outdoors.

High reliability

The EOS 70D clears durability tests of 100,000 shutter cycles. Its dust and moisture resistance performance is the same as that on the EOS 60D.

Wi-Fi functionality

Figure 5: Wi-Fi functionality

Figure 5: Wi-Fi functionality

The EOS 70D's Wi-Fi functionality is the same as the EOS 6D's. It lets users do the following things (Figure 5).

(1) Send and receive images between cameras
(2) Communicate with smartphones
(3) Print on Wi-Fi-enabled printers
(4) Shoot remotely from the EOS Utility (remote movie recording is not available)
(5) Send images to Web services
(6) View images on media players

For information on countries and areas supporting CANON iMAGE GATEWAY services, refer to the Canon Web site (

Accessory compatibility

  • Power supply

    The 70D uses the LP-E6 battery pack. It also uses the newly developed BG-E14 battery grip.

  • Remote controller

    The 70D is compatible with the RS-60E3 remote switch and the RC-6 wireless remote controller.

  • Case

    The 70D will fit into the 60D's EH21-L leather case.

  • GPS receiver

    The GP-E2 GPS receiver is supported and can be used by attaching it to the accessory shoe.

Function EOS 70D EOS 60D
Effective no. of pixels (approx. megapixels) 20.20 18.00
Imaging processor DIGIC 5+ DIGIC 4
Recording media SD / SDHC / SDXC
Supports UHS-I
Viewfinder Coverage (approx. percent) 98 Vertical: 96, Horizontal: 97
Magnification (approx.) 0.95x
Focusing screens Fixed Interchangeable
Transparent liquid crystal display Yes No
Autofocus No. of AF points 19, all cross-type points 9, all cross-type points
Center dual-cross focusing Yes
AI Servo AF customization Yes No
AF microadjustments Yes No
Shooting modes Scene Intelligent Auto Yes No
Handheld Night Scene Yes No
HDR Backlight Control Yes No
Exposure control No. of metering sensor zones 63
Shutter speeds 1/8000 to 30 sec., bulb, X-sync at 1/250 sec.
ISO speed range 100 to 12800, H (25600) 100 to 6400, H (12800)
Flash Internal flash G No. (approx.) 12 13
Wireless master function Yes
Radio wireless transmission flash Yes No
Drive Continuous shooting speed
(max., approx. fps)
7 5.3
Silent single /
Silent continuous shooting
Yes No
Maximum burst (approx. frames)
Figure in parentheses is with a UHS-I card
Large / Fine: 40 (65)
RAW: 15 (16)
Large / Fine: 58
RAW: 16
Creative image functions EOS Scene Detection System Yes No
Picture Style Auto Yes No
Multiple exposures Yes No
HDR shooting Yes No
High quality functions Lens peripheral illumination correction Yes
Chromatic aberration correction Yes No
Multi Shot Noise Reduction Yes No
Image processing after shooting RAW processing Yes
Creative filters 7 types 4 types
Resizing Yes
Electronic level
(horizontal direction)
LCD monitor Yes
Viewfinder Yes
(displayable at all times)
LCD panel No
Live View shooting Dual pixel CMOS AF Yes No
Continuous AF Yes No
Touch shutter release Yes No
Creative filters Yes No
Movie shooting Dual pixel CMOS AF Yes No
Movie Servo AF Yes No
Support for compression formats ALL-I / IPB Yes No
Built-in microphone Stereo Mono
Video snapshot Yes No
ISO speed range 100 to 6400
H (8000 / 10000 / 12800)
100 to 6400
Movie digital zoom Yes No
LCD monitor Size / dots (approx.) / aspect ratio 3.0 in. / 1.04 million / 3:2
Coverage (approx.) 160°
Vari-angle Yes
Touch panel Yes No
Anti-reflection Clear View LCD II Clear View LCD
Feature guide / help Yes No
Possible shots
(room temperature)
50% flash use 920 1100
No flash 1300 1600
Wi-Fi functionality Yes
Mode Dial rotates 360° Yes No
Dimensions (approx. mm, width x height x depth) Measured in accordance with CIPA criteria 139.0 x 104.3 x 78.5 144.5 x 105.8 x 78.6
Weight (approx.)

(W): Wi-Fi model
(N): Model without Wi-Fi
Measured in accordance with CIPA criteria (W): 755 g / 26.7 oz.
(N): 750 g / 26.5 oz.
755 g
Body only (W): 675 g / 23.8 oz.
(N): 670 g / 23.7 oz.
675 g

Table 1: Comparison of main specifications between the EOS 70D and the EOS 60D