Canon EF 8-15mm f/4L Fisheye USM User manual

Thank you for purchasing a Canon product.
The Canon EF8-15mm f/4L Fisheye USM lens
is
a high-performance fisheye zoom lens designed
for use with Canon EOS cameras.
Features
1.
Designed for use with three different image
sensor sizes.
2.Aspherical and
UD
lens elements result
in
outstanding image delineation.
3.
SWC (Subwavelength Structure Coating) is
utilized
to
significantly reduce occurrences of
flare and ghost created by quite large incident
angles of light.
4.
A fluorine coating has been applied
to
the
lens's front and rear lens elements which
allows dust
to
be wiped from the outside of the
lens more easily compared with previous
lenses.
5.
Ultrasonic motor (USM) for quick and quiet
autofocusing.
ENG-1
6.
Manual focusing
is
available after the subject
comes into focus
in
autofocus mode (ONE
SHOT AF).
7.
A truly round aperture hole results
in
a nicer
background blur.
8.
Equipped with a zoom limiter function which
restricts the zoom range.
9.
Tight seal structure ensures excellent dust-
proof and drip-proof performance.
• "USM" stands for Ultrasonic Motor.
Conventions used in this instruction
• • Warning
to
prevent lens or camera malfunction
U
or damage.
r:¥1
Supplementary notes
on
using the lens and
L..jJ
taking pictures.
~
Safety Precautions
• Do
not
look
at the sun
or
a
bright
light
source
through the lens
or
camera. Doing
so
could result
in
loss of vision. Looking at the
sun
directly through
the lens
is
especially hazardous.
• Whether
it
is
attached
to
the camera
or
not,
do
not
leave the lens under
the
sun
without
the
lens cap attached. This
is
to
prevent the lens from
concentrating the sun's
rays,
which could cause a
fire.
Handling Cautions
•
If
the lens is taken from a cold environment into
a warm one, condensation may develop on the
lens surface and internal parts.
To
prevent
condensation
in
this case, first put the lens into
an
airtight plastic
bag
before taking
it
from a cold to
warm environment. Then take out the lens after
it
has warmed gradually.
Do
the same when taking
the lens from a warm environment into a cold
one.
•
Do
not leave the lens
in
excessive heat such
as
in
a car
in
direct sunlight. High temperatures can
cause the lens
to
malfunction.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions:
(1)
This device may not
cause harmful interference, and
(2)
this device must accept any
interference received, including interference that may cause
undesired operation.
Do not make any changes
or
modifications to the equipment
unless otherwise specified
in
the instructions.
If
such changes or
modifications should be made, you could be required to stop
operation of the equipment.
This equipment has been tested and found to comply with the
limits for a class B digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to
prov1de
reasonable protection
against harmful interference
in
a residential installation. This
equipment generates, uses and can radiate radio frequency
energy and, if not installed and used
in
accordance with the
instructions, may cause harmful interference to radio
communications.
However, there
is
no guarantee that interference will not occur
in
a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined
by
turning the equipment off and on, the user is
encouraged to try to correct the interierence by one or more of
the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Consult the dealer or an experienced radio!TV technician for
help.
This Class B digital apparatus complies with Canadian ICES-003.
ENG-2
•

Precautions for Shooting with a Fisheye Lens
• If dirt or dust adheres to the surface of the front lens element, it can easily appear in images due
to the lens's short focal length. In orderto avoid this, please remove dirt or dust from the surface of
the front lens element by using a commercially available air dust blower.
• Since this lens has an extremely wide angle
of
view, light from bright light sources, such as the
sun, can easily enter the image area. Please do not look at bright light sources using the camera's
viewfinder.
• Depending on shooting conditions, flare and ghost will occur when bright light sources appear in
the image area. In order to prevent flare and ghost, we suggest shooting places such as shaded
areas so that bright light does not enter the lens.
• Unintentional photographing of the user's body can easily occur during handheld shooting.
Likewise, the legs of a tripod can be unintentionally photographed when a tripod is used.
In addition, due to the optical characteristics of this lens, unintentional photographing of objects
can easily occur since the angle of view exceeds 180° in the close-up shooting range.
Therefore, please use the camera's viewfinder or LCD display to carefully check the image area.
• Since this is an interchangeable lens, the center of the image circle of the circular fisheye and the
center of the image sensor are out of alignment. Also, there are times when vignetting, which
occurs in the four corners of an image, is not uniform.
• It is possible to use AE (Auto Exposure) even if vignetting occurs in the four corners of an image
when using a circular fisheye effect, etc. However, since the angle
of
view is extremely wide and
the luminance range of subjects is broad, we suggest changing the exposure manually when
possible.
Also, it is recommended that users check the image area using the LCD display when shooting
with a digital camera.
ENG-3
Distance scale (
-->
9)
Zoom ring
(-->
6)
Hood mount
(-->
10)
--#-///7/-.
Zo
om
Limiter (
-->
7)
I
/--P--11-
-Gelatin filter holder(
-->
12)
;
~Con
t
acts
(-->
5)
Focus mode
sw
itch
(-->
6)
"C"
I
"H" Indicato
r(
-->
7)
For detailed information, reference page numbers are provided in parentheses (
-->
..
).
ENG-4

See
your
camera
's
instructions
for
instructions
on
mounting
and
detaching
the
lens.
0
I
....-=-......
I
• After detaching the lens, please attach the lens
hood and lens cap and place the lens with the
rear end
up
to prevent the electrical contacts
and lens surface from getting scratched.
•
If
the contacts get soiled, scratched, or have
fingerprints on them, corrosion or faulty
connections can result. The camera and lens
may not operate properly.
• If the contacts get soiled or have fingerprints on
them, clean them with a soft cloth.
• If
you
remove the lens, cover
it
with the dust
cap.
To
attach
it
properly, align the lens mount
index and the
0
index of the dust cap
as
shown
in
the diagram, and turn clockwise.
To
remove
it
,
reverse the order.
ENG-5
0
The lens mount has a rubber ring for enhanced
water- and dust-resistance.The rubber ring may
cause slight abrasions around the camera's lens
mount, but this will not cause any problems. If the
rubber ring becomes worn,
it
is
replaceable
by
a
Canon Service Center at cost.
Lt.
Please be careful when laying the lens sideways
while the lens hood and the lens cap are
attached.
The lens may
roll
and
fall
, resulting
in
injury. To
shoot
in
autofocus
(AF)
mode,
set
the
focus
mode
switch
to
AF
.
To
use
only
manual
focusing
(MF),
set
the
focus
mode
switch
to
MF,
and
focus
by
turning
the
focusing
ring.
The
focusing
ring
always
works
,
regardless
of
the
focus
mode.
!lJ
After autofocusi
ng
in ONE SHOT AF mode, focus
manually
by
pressing the shutter button halfway
and turning the focusing ring. (Full-time manual
focus)
To
zoom,
turn
the
zoom
ring.
0
Be
sure to finish zooming before focusing.
Changing the zoom ring after focusing can affect
the focus.
ENG-6
I

"C" and "H" Markings
Adjacent to the zoom ring, the "C" and "H"
markings serve as guides to indicate the wide-
angle zoom position where focus is set at infinity
at which photos can be created without
vignetting when using EOS digital cameras
installed with APS-C or APS-H image sensors.
The "C"/"H" indicator on the zoom ring is aligned
with either the "C" or "H" marking.
0
When
the
"C" I
"H"
indicator
above
the focus ring
is aligned with
either
the
"C"
or
"H"
marking,
there
are
times
when
vignetting
occurs
in
the
corners
of
an
image
since
the
size
of
the
image
circle
becomes
smaller
when
the
focus position
is
set
at
close
range
due
to
the
optical
characteristics
of
this lens.
ENG-7
Zoom Limiter
The zoom limiter function allows for wide-angle
photos to be created when focus is set at infinity
without vignetting when using an EOS digital
camera installed with an APS-C image sensor by
limiting the zoom range.
Activate the zoom limiter by setting the zoom ring
to between 10mm and 15mm, then slide the
switch towards "LIMIT."
0
The
zoom
limiter
cannot
be
used
if the
zoom
ring
is
set
between
Bmm
and
about
1
Omm
(when
the
"C"
I
"H"
indicators
on
the
zoom
ring are
set
between
the
"C'
indicator
and
the
wide-angle
direction
on
the ring
next
to
the
zoom
ring).
Description of Fisheye Lens Based Photography
The various images below show the different relationships between the fisheye lens's 180 degree angle of view and lhe size
of each image sensor related to focal length.
Approx.
15mm
Approx.
12mm
~
:o
---
-----:
' '
~
-
-
----
- -
~
APS-H
Focal
Length:
8mm
Approx.
1
Omm
[OJ
-A-
-~
-
APS-C
Full
Frame
Circular
Fisheye
Diagonal
Fisheye
Full
Frame
*The
circle
corresponding
with
each
focal
length
indicates
a
180
degree
angle
of
view
in
the
imaging
area.
Diagonal
Fish
eye
*
Vignetting
occurs
in
the
area
outs
i
de
of
the
image
circle.
Diagonal
Fisheye
• Circular
Fisheye
The
circular
fisheye
effect
refers
to
the
180 degree
circular
angle
of
view
which
appears
within
the
area
of
the
image
sensor.
When
the
focusing
distance
of
this
particular
lens
is
set
to
infinity,
the
circular
fisheye
effect
is
achieved
by
setting
the
focal
length
(wide
end)
to
amm
and
using
a
camera
equipped
with
a
full
frame
image
sensor.
•
Diagonal
Fisheye
The
diagonal
fisheye
effect
refers
to
a
180
degree
diagonal
angle
of
view
which
corresponds
with
the
size
of
the
sensor.
When
the
focusing
distance
of
this
particular
lens
is
set
to
infinity,
the
diagonal
fisheye
effect
is
achieved
by
setting
the
focal
length
(telephoto
end)
to
15mm
when
used
with
full
frame
image
sensors,
approximately
12mm
when
used
with
APS-H,
and
approximately
10mm
when
used
with
APS-C.
0 •Use of the zoom limiter at the lens's wide end position does not guarantee that a diagonal fisheye effect will be
created when used with APS-C sensors.
~
When the focusing distance is set to infinity, the angle of view when using the lens set at the telephoto end together
with full frame format cameras is 175°30' (diagonal). The 180° diagonal fisheye effect is achieved by slightly turning
the
zoom ring toward the wide end when the lens is set at 15
mm
(telephoto end).
• Due
to
the optical characteristics of the lens, the size of the image circle becomes smaller when the focus position
is set at close range.
ENG-8
I

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..
frifim!Y
,:§O
m
j)!h
S.;on
Mark
I
~
d
nf
~
S!e~
,,
lndt
x
'~
lll
~
&;a
Infinity compensation mark
ft
m
To
compensate
for shifting
of
the infinity focus
point that results
from
changes
in temperature.
The
infinity position
at
normal
temperature
is the
point
at
which
the
vertical line
of
the L
mark
is
aligned with the
distance
indicator on the
distance scale.
0
For accurate manual focusing on subjects at
infinity distance, turn the focus ring while looking
through the viewfinder or checking the camera's
LCD display.
ENG-9
[ 0.7 1 3 ]
ft
0.2 0.3
~oo
m
-·~)
The
infrared
index
corrects
the
focus setting
when
using
monochrome infrared
film
.
Focus
on
the
subject
manually,
then adjust
the
distance setting
by
moving
the
focusing
ring
to
the
corresponding infrared
index
mark.
0
Some EOS cameras cannot use infrared film. See
the instructions for your EOS camera.
fll
•
The infrared index position is based on a
wavelength of
BOO
nm.
• The compensation amount differs depending on
the focal length. Use the indicated focal length
as a
gu
ide when setting the compensation
amount.
• Be sure to observe the manufacturer's
instructions when using infrared f
il
m.
• Use a red filter also when you take the picture.
The
EW-77 hood
can
keep
unwanted
light out of the lens,
and
also protects the front
of
the lens from
rain, snow,
and
dust.
Attaching
To attach the hood, align
the
hood's
attachment
position
mark
with
the
red
dot
on the front
of
the
lens, then turn the hood
as
shown
by the arrow
until
the
lens' red
dot
is aligned with the hood's
stop position
mark
.
0 This hood can be used even when the lens cap
is
attached to it.
Button
Removing
To
remove the hood, hold down the button on
the
side
and
turn
the
hood
in the direction
of
the
arrow until
the
position
mark
on the hood aligns
with
the
red dot.
ENG-10
I

Vignetting will not occur while shooting in the
following zoom ranges when using the lens hood.
Please detach the lens hood when shooting
outside of these ranges.
• Full Format: Only at the telephoto end
• APS-H: From the telephoto end to the "H"
marking
• APS-C: From the telephoto end to the "C"
marking (range when using the
zoom limiter)
U •Part of the picture may be blocked if the hood is
not attached properly.
• When attaching
or detaching the hood, grasp
the base of the hood to turn it.
To prevent
deformation, do not grasp the rim of the hood to
turn
it.
ENG - 11
Recessed Section
While the lens hood (included) is attached to the
lens, Lens Cap 8-15 can be attached to the lens
hood
by pressing the buttons located on the
upper and lower sides of the lens cap and
aligning its recessed parts with the convex parts
found
in the lens hood.
There is a gelatin filter holder at the rear of the
lens. Cut the gelatin filter to fit within the white
frames.Then insert the gelatin filter into the filter
holder.
ENG-12
•

Focal Length/Aperture
8-
15
mm fl4
Lens Construction
11
groups,
14
elements
Minimum Aperture fl22
Angle of View Diagonal: 180° -175° 30' Vertical:
180°-
91
o
46' Horizontal: 180° -142°
Min. Focusing Distance 0.15 m
I
0.5 ft.
Max. Magnification 0.34x (center of image, telephoto end)
Max. Diameter and Length 78.5 x 83.0
mm
I
3.1
x 3.3 inch
Weight approx. 540 g
I
19.0 oz.
Hood EW-77
Lens Cap Lens Cap 8-15
Case LP1219
• The lens length is measured from the mount surface to the front end of the lens.
• The size and weight listed are for the lens
only,
except as indicated.
• The EF1.4X
II,
IIIIEF2X
II,
Ill extender, the EF12 IIIEF25
II
extension tube, and 250015000 close-up lenses
cannot be used with this lens.
• Aperture settings are specified
on
the camera.
• All data listed is measured according to Canon standards.
• Product specifications and appearance are subject to change without notice.
ENG-13

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