Image Sensor - Cmos Sensor; Cmos Sensor Specifications; Pixel Size And Iso Range; Technical Information - Canon EOS 5D Service Manual

1. TECHNICAL INFORMATION

1.1 Image sensor ‒ CMOS sensor
１）Overview
The 35mm, full-frame CMOS sensor (Fig. 001) developed and manufactured by Canon
has enabled the camera to attain the top overall performance in its class. It features high
resolution (approx. 12.8 effective megapixels), wide ISO speed range (ISO 50, 100-1600,
3200), low image noise (same level as the EOS-1Ds Mark II), high-speed signal reading
(for approx. 3 fps continuous shooting), and low power consumption. Table 001 shows the
major specifications.
Table 001 CMOS sensor specifications
Effective pixels (approx.)
Total pixels (approx.)
Effective sensor size (mm)
Pixel size (µm)
Color filter
Aspect ratio
２）Wide ISO speed range and low noise
With the same technologies as the
EOS 20D's CMOS sensor and the larger
pixel size of 8.2 µm square (compared
to EOS 20D's 6.4 µm square) to receive
more light, the camera provides a wide
ISO speed range of 100-1600 (L: 50, H:
3200) while minimizing image noise.
・ The large microlens gathers light
highly efficiently for the photodiode.
・ Optimum photodiode construction for the CMOS sensor.
・ Improved dynamic range with a finer CMOS process and optimized photodiode
construction.
・ Second-generation, on-chip, noise reduction circuit for effectively minimizing random
noise and eliminating fixed-pattern noise.
12.80 million: 4384 2918
13.30 million: 4480 2958
35.8 23.9
8.2 8.2
RGB primary color filter
3：2
Camera
EOS 5D
EOS-1Ds Mark II
EOS-1D Mark II
EOS 20D
EOS Kiss Digital N 6.4
1
Technical Information
35.8mm
Fig. 001 CMOS sensor (actual size)
Table 002 Pixel Size and ISO Range
Pixel Size
8.2 8.2µm
7.2 7.2µm 50 • 100 - 1600 • 3200
8.2 8.2µm
6.4 6.4µm 100 - 1600 • 3200
6.4µm
ISO Speed
100 - 1600