Canon eos 40d 1901b014 用户手册

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Specifications

Recording functions:

With the WFT-E3/E3A attached, image recording to the CF card and to USB 
external media connected to the WFT-E3/E3A will be possible as follows:
(1) Standard
(2) Automatic switching of recording media
(3) Separate recordings according to image-recording quality
(4) Recording images having the same size

Backup recording:

Enabled with WFT-E3/E3A attached

Type:

Auto, daylight, shade, cloudy, tungsten light, white 
fluorescent light, flash, custom, color temperature setting

Auto white balance:

Auto white balance with the image sensor

Color temperature 
compensation:

White balance correction: ±9 stops in full-stop increments
White balance bracketing: ±3 stops in full-stop increments
* Blue/amber direction or magenta/green direction possible

Color temperature 
information transmission: Provided

Type:

Eye-level pentaprism

Coverage:

Vertical/Horizontal approx. 95%

Magnification:

Approx. 0.95x (-1 diopter with 50mm lens at infinity)

Eyepoint:

Approx. 22 mm

Built-in dioptric adjustment: -3.0 - +1.0 diopter
Focusing screen:

Interchangeable (2 types sold separately), Ef-A standard 
focusing screen provided

Mirror:

Quick-return half mirror (Transmission:reflection ratio of 40:60, 
no mirror cut-off with EF600mm f/4L IS USM or shorter lenses)

Viewfinder information: AF information (AF points, focus confirmation light), exposure 

information (shutter speed, aperture, AE lock, exposure level, ISO 
speed, exposure warning), flash information (flash ready, high-speed 
sync, FE lock, flash exposure compensation), monochrome shooting, 
white balance correction, maximum burst, CF card information

Depth-of-field preview:

Enabled with depth-of-field preview button

Type:

TTL secondary image-registration, phase detection

AF points:

9 (Cross-type)

Metering range:

EV -0.5 - 18 (at 23°C/73°F, ISO 100)

Focus modes:

One-Shot AF, AI Servo AF, AI Focus AF, Manual focusing (MF)