Canon EOS 1V, Service Manual, Page: 17 / 240

2-12 AF-assist beam: With an EOS Speedlite attached (with built-in AF-
assist light) and turned on, a near-infrared beam (peak
wavelength of 700 nm) is emitted automatically by the
Speedlite when necessary.
550EX and ST-E2: Linked to the 45-point Area AF.
540EZ: Emitted during automatic focusing point
selection or when a focusing point along the center
horizontal row is selected.
Other EOS Speedlites: Emitted during automatic
focusing point selection or when the center focusing
point is selected.
* The camera has no built-in AF-assist beam emitter.
3. Viewfinder
3-1 Type: SLR-type, fixed eye-level pentaprism with condenser
lens
Interchangeable
Laser-matte screen with Area AF ellipse, focusing
points, and fine spot metering circle provided as the
standard screen.
Interchangeable with Ec-series focusing screens.
Metering correction data can be set with a Custom
Function for the Laser Matte and New Laser Matte
screens.
3-3 Standard diopter: -1 diopter. Adjustable from -3 diopter to +1 diopter.
3-4 Eye relief: 20mm
3-5 Picture coverage: 100 percent vertically and horizontally
3-6 Magnification: 0.72
×
(with 50mm lens at infinity, -1 diopter)
(1) On the screen
q
Area AF ellipse
w
Focusing points
e
Fine spot metering circle
(2) Below the screen (Main indicators)
q
Manual exposure level
w
AE lock (Blinks at 2 Hz during AEB.)
e
Flash ready (Blinks when the FE lock setting is
unsuitable)
r
High-speed sync (FP flash)
t
Shutter speed (If unsuitable, it blinks at 2 Hz as a
warning.)
y
FE lock (FEL)
u
Bulb (buLb)
i
Focusing point selection mode
o
Depth-of-field AE mode (DEP1, DEP2)
!0
Aperture setting (If unsuitable, it blinks at 2 Hz as a
warning.)
!1
Exposure compensation / Flash exposure compen-
sation
!2
In-focus indicator (Blinks at 8 Hz if focus cannot be
achieved.)
3-7 Viewfinder
information:
3-2 Standard focusing
screen:
1-15
Part 1: General Information