Canon 2539A007 User Manual

EF180mm f/3.5L MACRO USM  
ENG  
Instruction  
a Safety Precautions  
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 class B digital device, pursuant to part 15 of the FCC  
Rules. hse limits are designed to provide reasonable protection  
nst hamful interference in a residential installation. This  
ment generates, uses and can radiate radio frequency  
ergy and, if not installed and used in accordance with the  
instuctions, 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 interference by one or more of  
the following measures:  
a 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 in
a warm one, condensation may develop on the  
lens surface and internal parts. To preven
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.  
• 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  
Nomenclature  
Hood mount (5)  
Distance scale (6)  
Distance index (6)  
Depth-of-Field scale (6)  
Focus mode switch (4)  
Lens mount index (4)  
Filter mounting  
thread (11)  
Contacts (4)  
Tripod mount (10)  
Focusing ring (4)  
Focusing distance range selection switch (5)  
Orientation locking knob (10)  
For detailed information, reference page numbers are provided in parentheses (**).  
ENG-3  
1. Mounting and Detaching the Lens  
2. Setting the Focus Mode  
See your camera’s instructions for details on  
mounting and detaching the lens.  
To shot in autofocus (AF) mode, set the focus  
mode itch to AF.  
se oly manual focusing (MF), set the focus  
mde switch to MF, and focus by turning the  
focusing ring. The focusing ring always works,  
regardless of the focus mode.  
• After detaching the lens, place the lens with the  
rear end up to prevent the lens surface and  
electrical contacts from getting scratched.  
• If the contacts get soiled, scratched, or have  
fingerprints on them, corrosion or faulty  
connections can result. The camera and ens  
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  
After autofocusing in ONE SHOT AF mode, focus  
manually by pressing the shutter button halfway  
and turning the focusing ring. (Full-time manual  
focus)  
index and the  
K
index of the dust cap as shown  
in the diagram, and turn clockwise. To remove it,  
reverse the order.  
ENG-4  
3. Switching the Focusing 4. Hood  
Distance Range  
You can set the focusing distance range to  
0.48 m/1.6 ft. to infinity or 1.5 m/4.9 ft. to infini
By setting the suitable focusing distance rang
the actual autofocusing time can be shoter.  
ET-78 II hood can keep unwanted light out  
ohe lens, and also protects the front of the lens  
from rain, snow, and dust.  
Attach and align the hood to the hood mount on  
the front of the lens, and turn the hood as shown  
by the arrow to secure it.  
The hood can be reverse-mounted on the lens  
for storage.  
If you autofocus outside the set focusing distance  
range, the lens may stop focusing at the start of  
the focusing range; however, this is not a  
malfunction. Press the shutter release button  
halfway again.  
• 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.  
• Remove the hood when using the macro flash.  
ENG-5  
5. Infinity Compensation  
Mark  
6. Depth-of-Field Scale  
Infinity compensation mark  
Distance index  
To compensate for shifting of the infinity focus  
point that results from changes in temperature
deph of field is the distance in front of and  
bhind the plane of focus on the subject that  
The infinity position at normal temperature is appears sharp. The depth of field is indicated by  
point at which the vertical line of the L mark is  
aligned with the distance indicator on the  
distance scale.  
the area between the depth-of-field scale lines  
below the distance scale.  
The number on the scale is the F value.  
The depth-of-field scale is an approximate  
indicator.  
For accurate manual focusing on subjects at  
infinity distance, look through the viewfinder while  
rotating the focusing ring.  
ENG-6  
7. Picture Taking  
3. Focus the subject.  
Normal Photography  
While looking through the viewfinder, move the  
camera forward or back to find the point of  
focus.  
4. Touch up the focus.  
Turn the focusing ring for fine focusing.  
The lens can be used as a telephoto lens for  
normal photography.  
Closeup Photography  
Close-up photos (minimum focusing distance of  
0.48m) up to 1x (life-size) magnification are  
possible. The minimum focusing distance is the  
distance from the subject to the film plane. The  
distance from the front of the lens to the subject  
(working distance) is about 0.25m.  
Since macro shots have a very shallow depth of  
fieldfocus carefully to obtain proper sharpness.  
Imae quality deteriorates near the minimum  
aperture opening due to diffraction.  
• The magnification refers to the ratio between the  
subject’s size and the corresponding image size  
on the focal plane. On the distance index, it is  
indicated as 1:x.  
To prevent camera shake, using a Remote  
Switch (both sold separately) and tripod is  
recommended.  
When focusing, you can give priority to framing  
or to magnification.  
[Framing Priority]  
While looking through the viewfinder and framing  
the subject, focus with the AF or MF mode.  
[Magnification Priority]  
1. Set the lens’ focus mode switch to MF.  
2. Set the magnification.  
To check the depth of field, press the camera’s  
depth-of-field preview button.  
While referring to the magnification scale on  
the lens, turn the focusing ring to the desired  
magnification.  
ENG-7  
8. About Exposure  
Setting the Exposure  
Magnification  
1:10 1:5 1:3 1:2 1:1.5 1:1.2 1:1  
When taking photographs using TTL  
metering, no exposure compensation is  
necessary to meter the light coming through  
the lens.  
Effective f/No.  
3.8  
4
4.3 4.7  
5
5.4 5.8  
1
3
2
2
Exposure  
in stops  
+
+
+
+
+1 +1 13 +1 13  
+1 +1 +1 12  
3
3
1
1
2
1
2
Factor (stops) in stops  
2
With TTL metering, AE (autoexposure) is  
possible at all focusing distances. Just set the  
desired picture-taking mode, then check the  
shutter speed and aperture before taking the  
picture.  
• The correct exposure for a close-up shot largely  
depends on the subject. Therefore, it is  
recommended to take several shots of the same  
ject at different exposures.  
• Whn taking close-up shots, it is recommended  
to use aperture-priority AE (Av) or Manual (M)  
picture-taking modes, because depth of field  
and exposure are easy to adjust in those  
modes.  
Magnification and Effective f-number  
The aperture displayed by the camera assum
that the focus is set to infinity. The actua
aperture (effective f-number) becomes drke
(effective f-number increases) at closer focusing  
distances (magnification increases). This does  
not cause exposure problems for normal picture-  
taking. However, for closeup photography, you  
cannot ignore the change in the effective f-  
number.  
When you use a handheld exposure meter to  
set the exposure, you must take into account  
the exposure factor shown in the following  
table.  
ENG-8  
9. Macro Flash  
(Sold Separately)  
The Canon Macro Ring Lite MR-14EX or the  
Macro Twin Lite MT-24EX enables fully automatic  
macro flash photography up to 1x magnification  
in E-TTL autoflash mode.  
For normal photography, remove the Macro Lite  
Adapter, because it may create a dark  
circumference.  
Install the Macro Lite Adapter 72C (sold  
separately) on the filter mounting thread on the  
front of the lens for macro flash photography.  
• For information on operating the Canon Macro  
Ring Lite MR-14EX or the Macro Twin Lite MT-  
24EX, refer to the individual instruction booklets.  
• Using aperture-priority AE (Av) or Manual (M) is  
reommended.  
ENG-9  
10. Using the Tripod Mount  
Adjusting the Revolving Mount  
You can loosen the orientation lock-knob on the tripod mount to allow it to rotate as needed to fit a  
particular camera model for switching between vertical and horizontal positions.  
Detaching  
First remove the lens from the camera and then remove the tripod mount from the lens as shown  
below. To attach the tripod mount, reverse the procedure.  
Loosen the orientation  
locking knob.  
Rotate the tripod mount and  
align the mounting indicator  
on the tripod mount with the  
one on the lens.  
Slide off the tripod collar  
away from the rear of the  
lens.  
If the foot of the tripod mount overlaps the switch, loosen the orientation locking knob on the tripod mount to  
move the foot.  
ENG-10  
11. Filters  
(Sold separately)  
12. Extension Tubes  
(Sold separately)  
You can attach filters to the filter mounting thread You can attach Extension Tube EF12 II or EF25  
on the front of the lens.  
II for magnified shots. The shooting distance and  
magnification are shown below.  
• If you need a polarizing filter, use the Canon  
Circular Polarizing Filter (72mm).  
To adjust the polarizing filter, first remove the  
lens hood.  
Camera-to-Subject  
Magnification  
Distance (mm)  
Near  
477  
480  
Far  
Near  
1.09×  
1.21×  
Far  
EF12 I
F25 I
2930  
1501  
0.07×  
0.15×  
Manual focusing is recommended for accurate  
focusing.  
ENG-11  
13. Extenders  
(Sold separately)  
With Extender EF1.4X ll or EF2X ll attached, the lens specifications will change as follows:  
Item  
With EF1.4X ll Extender  
With EF2X ll Extender  
Focal length (mm)  
252  
f/5 – 45  
f/4.5 – 45  
9°50’  
360  
f/7.1 – 64  
f/6.7 – 64  
6°50’  
1
3
in  
in  
stops  
stops  
Aperture  
1
2
Diagonal  
Vertical  
Angle of view  
5°30’  
3°50’  
Horizontal  
8°10’  
5°40’  
Maximum magnification (×)  
1.4  
2.0  
• First attach the Extender to the lens, thn attaclens to the camera. Detach it from the  
camera in the reverse order. If you attah the lens to the camera first, misoperation may  
occur.  
• With the EF1.4X II Extender attached, autofocusing is enabled from 0.8 m/2.6 ft. to infinity.  
Autofocus mode cannot be used to take pictures closer than 0.8 m/2.6 ft. due to the relation  
with the effective F value, so use manual focusing.  
• If you use an Extender on the lens mounted on a EOS A2/A2E/5, set the exposure  
compensation to -1/2 stop for the EF1.4X ll or -1 stop for the EF2X ll.  
• Only one Extender can be attached to the lens and camera.  
ENG-12  
14. Close-up Lenses  
(Sold separately)  
Attaching a 500D (72mm) Close-up Lens  
enables close-up photography.  
Magnification will be 1.48× – 0.36×.  
• Close-up Lens 250D cannot be attached  
because there is no size that fits the lens.  
• Manual focusing is recommended for accurate  
focusing.  
ENG-13  
Specifications  
Focal Length & Max. Aperture  
Lens Construction  
Min. Aperture  
180 mm, f/3.5  
14 elements in 12 groups  
f/32  
Angle of View  
Diagonal: 13°40’  
Vertical: 7°40’  
Horizontal: 11°25’  
Min. Focusing Distance  
Max. Magnification  
Field of view  
0.48 m / 1.6 ft.  
1 ×  
24 × 36 mm / 0.9 × 1.4 inch (at 0.48 m)  
Filter Diameter  
Max. Diameter & Length  
Weight  
72 mm  
82.5 × 186.6 mm / × 7.3 ch  
1090 g / 38
ET-7II  
Lens Hood  
Lens Cap  
E-72U/E-72 II  
LZ1324  
Case  
• The lens length is measured from the mount surface to the front end of the lens.  
Add 21.5 mm to include the E-72U lens cap and dust cap, and 24.2 mm for the E-72 II.  
• The size and weight listed are for the lens only, except as indicated.  
• 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-14  
CT1-8503-004  
0812Ni  
© CANON INC. 2002  

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