Canon EOS 1D Mark III White Paper - Pagina 13

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Canon EOS 1D Mark III White Paper
With the EF 24mm f/2.8 or EF 28mm f/2.8 lens, cross-type focusing will
be active with the 13 AF points shown in the diagram; the remaining
6 AF points will be horizontal line-sensitive at f/5.6.
All other EF lenses take full advantage of the AF sensor.
Image Recording and
All basic specifications related to image
Processing
processing such as Dual "DIGIC III"
Image Processors, 14-bit A/D conver-
sion, and DDR SDRAM are the same as
those of the EOS-1D Mark III.
The number of pixels for all image sizes is about double that of the EOS-1D Mark III. The
recorded resolution can be set to any one of six sizes. For JPEGs, the compression rate
can be set to one of 10 settings for each image size, a feature shared with the EOS-1D
Mark III. The sRAW or Small RAW setting that was originally introduced with the EOS-1D
Mark III becomes even more useful with the EOS-1Ds Mark III, since the resolution in
sRAW is 5.3 megapixels with the new camera.
* The number of possible shots (battery life) and continuous shooting speed are based on Canon's testing standards and a 2 GB CF card.
* Under Maximum burst, the number in parentheses is the maximum burst with a UDMA-compatible 2 GB CF card used in Canon's tests.
* JPEG quality 8, ISO 100, the Standard Picture Style and initial Custom Function settings.
* The actual file size of one image, number of possible shots (battery life), and maximum burst during continuous shooting vary depending
IV. DISCUSSION OF NEW AND IMPROVED FEATURES
Digital Control Circuit Board
DIGIC III
Recording Quality Specifications
Pixels
Image size
[Approx. megapixels]
L
21.10 (5616 x 3744)
M1
16.60 (4992 x 3328)
M2
11.00 (4080 x 2720)
S
5.20 (2784 x 1856)
RAW
21.10 (5616 x 3744)
L
M1
RAW+
–
M2
S
sRAW
5.20 (2784 x 1856)
L
M1
sRAW+
–
M2
S
on the subject, memory card brand, ISO speed, Picture Style, Custom Function settings, etc.
Image-processing Sequence Diagram
21.1M
14-bit A/D
CMOS
conversion
Memory (DDR SDRAM)
File Size
Possible Shots
[Approx. MB/
[Approx.]
Shot]
High-speed
6.4
290
5.2
350
3.9
470
110 (160)
2.2
840
160 (470)
25.0
75
25.0 + 6.4
54
25.0 + 5.2
57
25.0 + 3.9
60
25.0 + 2.2
64
14.5
130
14.5 + 6.4
82
14.5 + 5.2
90
14.5 + 3.9
97
14.5 + 2.2
100
DDR
SDRAM
CF card
Front-end
Dual
processing
"DIGIC III"
circuit
SD card
Maximum burst
Printing
[Approx.]
Size
Low-speed
56 (63)
A2 or larger
83 (180)
73 (96)
140 (370)
Around A2
300 (500)
Around A3
890 (890)
Around A4
12 (12)
14 (16)
A2 or larger
10 (10)
10 (10)
10 (10)
10 (10)
12 (12)
12 (12)
12 (12)
12 (12)
18 (18)
24 (28)
Around A4
12 (12)
14 (16)
12 (12)
14 (16)
12 (12)
18 (18)
18 (20)
20 (24)
–
–
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