Canon Ultrasonic EF50mm f/1.2L USM Bedienungsanleitung

EF50mm f/1.2L USM

Instruction

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Thank you for purchasing a Canon product.

The Canon EF50mm f/1.2L USM lens is a

high-performance, large-aperture standard

lens with a large-diameter, high-precision,

aspherical lens element designed for EOS

cameras.

The lens is suitable for portraits and other

types of photographs making full use of the

large-diameter lens feature for nice

background blur.

¡“USM” stands for Ultrasonic Motor.

Features

1. Large-diameter, high-precision aspheric lens

element for excellent imaging performance

even at the maximum aperture.

2. Ultrasonic motor (USM) for quick and quiet

autofocusing.

3. Manual focusing is available after the subject

comes into focus in autofocus mode (ONE

SHOT AF).

4. A truly round aperture hole results in a nicer

background blur.

5. Tight seal structure ensures excellent dust-

proof and drip-proof performance.

•Since the front element of this lens moves when

focusing, you need to attach a Canon PROTECT

filter sold separately for adequate dust-and

water-resistant performance. Without a filter, the

lens is not dust or water resistant.

Conventions used in this instruction

Warning to prevent lens or camera

malfunction or damage.

Supplementary notes on using the lens

and taking pictures.

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aSafety 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 provide 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 interference 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.

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Distance scale (→ 5, 6)

Depth-of-Field scale (→6)

Contacts (→4)

Focus mode switch (→5)

Hood mount (→7)

Lens mount index (→4)

Filter mounting

thread (→7)

Infrared index (→6)

Focusing ring (→5)

Nomenclature

For detailed information, reference page numbers are provided in parentheses (→ **).

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See your camera’s instructions for details on

mounting and detaching the lens.

¡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 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

index of the dust cap as shown

in the diagram, and turn clockwise. To remove it,

reverse the order.

1. Mounting and Detaching the Lens

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.

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Infinity Compensation Mark

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.

For accurate manual focusing on subjects at

infinity distance, look through the viewfinder while

rotating the focusing ring.

Setting the Focus Mode

After autofocusing in ONE SHOT AF mode, focus

manually by pressing the shutter button halfway and

turning the focusing ring. (Full-time manual focus)

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.

Infinity compensation mark

Distance index

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5. Depth-of-Field Scale

The depth of field is the distance in front of and

behind the plane of focus on the subject that

appears sharp. The depth of field is indicated by

the area between the depth-of-field scale lines

below the distance scale. Numbers in the scale

are in F values, and for example, if the shooting

distance is 3m and the aperture is f/11, the

sharp area will extend from about 2m to 5m.

The depth-of-field scale is an approximate

indicator.

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.

4. Infrared Index

Some EOS cameras cannot use infrared film. See

the instructions for your EOS camera.

¡The infrared index position is based on a

wavelength of 800 nm.

¡Be sure to observe the manufacturer’s

instructions when using infrared film.

¡Use a red filter also when you take the picture.

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7. Filters (Sold separately)

You can attach filters to the filter mounting thread

on the front of the lens.

¡To ensure dust- and water-resistant

performance, attach a Canon PROTECT filter

(72mm).

¡Only one filter may be attached.

¡If you need a polarizing filter, use the Canon

Circular Polarizing Filter (72mm).

¡To adjust the polarizing filter, first remove the

lens hood.

6. Hood

The ES-78 hood can keep unwanted light out of

the lens, and also protects 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.

¡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.

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Extension Tubes (Sold separately)

You can attach Extension Tube EF12 II or EF25

II for magnified shots. The shooting distance and

magnification are shown below.

Camera-to-Subject

Magnification

Distance (mm)

Near Far Near Far

EF12 II 246 322 0.39×0.24×

EF25 II 204 218 0.67×0.53×

Close-up Lenses (Sold separately)

Attaching a 500D (72mm) Close-up Lens

enables close-up photography.

Magnification will be 0.25×– 0.10×.

Manual focusing is recommended for accurate

focusing.

¡Close-up Lens 250D cannot be attached

because there is no size that fits the lens.

¡Manual focusing is recommended for accurate

focusing.

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Specifications

Focal Length/Aperture 50 mm f/1.2

Lens Construction 6 groups, 8 elements

Minimum Aperture f/16

Angle of View Diagonal: 46° Vertical: 27° Horizontal: 40°

Min. Focusing Distance 0.45 m / 1.5 ft.

Max. Magnification 0.15 ×

Field of View 164 ×250 mm / 6.5 ×9.8 inch (at 0.45 m)

Filter Diameter 72 mm / 2.8 inch

Max. Diameter and Length 85.8 ×65.5 mm / 3.4 ×2.6 inch

Weight 590 g / 20.8 oz

Hood ES-78

Lens Cap E-72U

Case LP1214

¡The lens length is measured from the mount surface to the front end of the lens. Add 21.5 mm when including

the lens cap and dust cap.

¡The size and weight listed are for the lens only, except as indicated.

¡The EF1.4X II/EF2X II extenders 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.

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