Specifications

CANON
EOS-1V/EOS-3
CAMERAS & LENSES
21
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FE Lock:
Light reflected from the subject by a
pre-flash is measured with partial metering
for optimum flash control. The main
subject can therefore be photographed at
the correct exposure even when a
high-brightness portion exists in the
background. Framing can also be
performed without limitation.
High-speed Synchro Photography:
Attach the Speedlite 550EX and a
high-speed synchro (FP flash) function is
provided. This allows the use of electronic
flash even at high shutter speeds.
Backgrounds can be blurred intentionally
using the high-speed synchro function to
select a large aperture.
E-TTL Auto Exposure Flash System
E-TTL automatic flash exposure is also possible when an
EX-series Speedlite is mounted. This enables
great pictures to be taken with a flash even
under difficult lighting situations. The
camera is also equipped with a flash exposure
compensation function and a first- and
second-curtain synchronization switching
function, that comes in handy when shooting
a moving object in low light.
Canon’s most advanced flash exposure control system, E-TTL (Evaluative through-the-lens)
is a flash mode that reads through the lens, but not off the focal plane. This method provides
several extra features such as Flash Exposure Lock (a method of spot metering with flash) and
FP flash mode (the ability to use flash at high shutter speeds). Utilizing a preflash fired after
the button has been fully depressed but before the camera’s reflex mirror goes up, E-TTL uses
the camera’s evaluative metering sensor to analyze and compare ambient light exposure
values with illumination reflected from the subject by the preflash. This data is used to
calculate and store the flash output required for optimum exposure of the main subject,
while maintaining a subtle balance between foreground and background.
FEB (Flash Exposure Bracketing):
Without changing the background
exposure level, the amount of flash
illumination (using the Speedlite 550EX
or Macro Ring Lites MR-14EX and
MT-24EX) falling on the subject can be
automatically changed as follows:
standard, underexposure compensation,
overexposure compensation. The
compensation range is from -3EV to
+3EV, in 1/3 or 1/2 step increments.
E-TTL Multiple Wireless Flash:
By using several 550EX Speedlite flashes,
multiple flash photography, which
normally requires a high level of
sophistication, can be performed in
full-auto mode.
E-TTL Wireless
E-TTL Wireless enables you to work with two or more 550EX, 420EX or MR-14EX
Speedlites to create dramatic studio quality lighting effects without the studio. Simply
attach a 550EX, MR-14EX or an ST-E2 Transmitter to the EOS-1v or EOS-3 and
position the other Speedlites around your subject. You can use an unlimited number of
Speedlite 550EX or 420EX (slave units) to achieve precise main, fill and background
lighting. When you shoot, the on-camera Speed
lite or Speedlite Transmitter functions as
the master unit and transmits wireless signals to the slave units. To achieve your effect,
the master unit’s flash (550EX or MR-14EX only) can be disabled, however even when
disabled it can still transmit wireless signals to the slave units for complete versatility.
Viewfinder
◆ Their viewfinders
are designed to
deliver all
information at a
glance. Active
superimposition
displays the focusing point on the 45-Point
Area AF. The bottom of the viewfinder
displays shutter speed, aperture settings,
Eye Controlled Focus (EOS-3 only) and
FP flash icons.
◆ The exposure compensation scale is
positioned on the right side of the
viewfinder. There is also a flash
compensation scale which makes it possible
to sense and control settings for fine
differences in the balance of exposure
between ambient lighting and your subject.
◆ Below the exposure scales is a double-digit
counter that tracks the number of
exposures taken on the roll of film. Using
the custom functions, it is also possible to
display the film count in reverse order to
count down the remaining shots.
◆ The viewfinder of the EOS-3 offers 97%
visual field coverage and a magnification
ratio of 0.72x. The EOS-1v uses advanced
materials to reduce the curvature of field
and achieves 100% visual field coverage
and a viewfinder ratio of 0.72x—both of
which contribute to clear and easy viewing
of the subject and accurate framing of the
photograph.
Built-in
Dioptric Correction
(EOS-1v only)
◆ Eyesight varies slightly over the course of
each day and can also differ on a person’s
physical condition. Thus, the EOS-1v
provides a dioptric correction mechanism
on the viewfinder eyepiece that allows the
phographer to make adjustments
accordingly. Dioptric correction can be
performed within a range of ±2dpt from
the -1dpt default (-1dpt on the EOS-3
also).
◆ When shooting without reference to the
viewfinder, or when utilizing the self-timer,
you can employ the built-in (EOS-1v only)
eyepiece shutter to help prevent incorrect
exposure caused by unwanted incidental
light entering through the viewfinder.