Bedienungsanleitung Sigma 1.4x Tele Converter (Seite 1 von 2) (Englisch)

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PO TELE CONVERTER 1.4x EX DG

PO TELE CONVERTER 2x EX DG

Thank you very much for purchasing a Sigma APO Tele Converter EX

DG. The Sigma APO Tele Converter 1.4x EX DG provides a 1.4x

increase in the master lens’ effective focal length, whereas the Sigma

APO Tele Converter 2x EX DG doubles the master lens’ effective focal

length. These tele converters have been designed to take full

advantage of the optical performance of the master lenses for which

they can be used. Please read these instructions before using the

Sigma APO Tele Converter EX DG. Your camera’s instruction booklet

also contains pertinent information about using lenses. Please refer to

it along with these instructions.

NOTICE: USABLE LENSES AND FUNCTIONS

■ Sigma APO Tele Converter 1.4x EX DG and Sigma APO Tele

Converter 2x EX DG are dedicated Tele Converter lenses,

which should be used only with lenses listed in [Table 1]. If you

mount a Sigma APO Tele Converter 1.4x EX or APO Tele

Converter 2x EX to a lens that is not listed in [Table 1], it may

damage the Tele Converter as well as the master lens.

■ The dedicated lenses are listed in [Table 1] (as of February

2009). Please also visit our web site for latest up-to-date

information.

Web site address: http://www.sigma-photo.co.jp/english

■ Usable range of focal length or AF working distance varies

depending on the camera in use. Please refer your lens’

instruction manual for details.

■ PENTAX AF mount Tele Converter does not support PENTAX SF

series cameras.

■ Do not use more than one teleconverter at a time.

ATTACHING THE APO TELE CONVERTER TO THE LENS

First, attach the APO Tele Converter EX DG to the master lens. Then,

attach the lens and the tele converter to the camera body.

When removing the APO Tele Converter EX DG or the master lens,

please rotate the lens in the direction opposite to the direction used to

attach the APO Tele Converter EX DG or lens.

■ When the APO Tele Converter EX DG is attached to the camera

body it will automatically function in the same way as the master

lens. Please refer to the instruction booklet for your camera body for

details.

■ If using a lens with a SONY and attaching the APO Tele Converter

EX DG to the camera body first, it may cause the AF mechanism to

run idle.

FOCUSING

The lenses marked “AF” in [Table 1] will retain auto focus operation

when used with a tele converter. Those lenses marked “MF” can only

be used for manual focus. Please focus the lens automatically or

manually according to the instructions provided for the camera or

lens.

■ If using lenses marked “MF” with a SONY, NIKON AF and PENTAX

AF cameras, be aware that these lenses cannot focus precisely by

auto focusing. Please be sure to use the manual focusing method

when using these lenses with the APO Tele Converters.

■ The speed of auto focusing, when using the tele converter, may be

slightly slower than without the converter.

EXPOSURE

Using the APO Tele Converter EX DG decreases the effective

aperture by one F-stop (with the APO Tele Converter 1.4x EX DG) or

by two F-stops (with the APO Tele Converter 2x EX DG). However,

exposure can be determined in the same manner as when using the

master lens without a tele converter.

■ If using a lens marked “◎ ” in [Table 1], the camera’s display will you

the converted exposure information.

■ When using a tele converter with a lens not marked “◎ ” in [Table 1]

while using a hand-held exposure meter, you should increase the

exposure reading by 1-stop for the APO Tele Converter 1.4x EX DG

or by 2-stops for the APO Tele Converter 2x EX DG.

■ If using lenses equipped aperture ring with NIKON AF mount of this

Tele Converter, you need to set minimum aperture depending on the

camera in use. Please refer your camera’s instruction booklet.

■ If using lenses equipped aperture ring with PENTAX AF mount of

this Tele Converter, you need to set A position depending on the

camera in use. Please refer your camera’s instruction booklet.

BASIC CARE AND STORAGE

■

Avoid any shocks or exposure to extreme high or low temperatures

or to humidity.

■ For extended storage, choose a cool and dry place, preferably with

good ventilation. To avoid damage to the lens coating, keep away

from mothballs or naphthalene gas.

■ Do not use thinner, benzine or other organic cleaning agents to

remove dirt or finger prints from the lens elements. Clean by using a

soft, moistened lens cloth or lens tissue.

■ This lens is not waterproof. When you use the lens in the rain or

near water, keep it from getting wet. It is often impractical to repair

the internal mechanism, lens elements and electric components

damaged by water.

■ Sudden temperature changes may cause condensation or fog to

appear on the surface of the lens. When entering a warm room from

the cold outdoors, it is advisable to keep the lens in the case until

the temperature of the lens approaches room temperature.

TECHNICAL SPECIFICATIONS

1.4X 2X

Lens construction 5 elements in 3 groups 6 elements in 5 groups

Focal length 1.4x

that of a master lens

2x that of a master lens

Aperture coupling

ran

F2.8 - F32 F2.8 - F32

Reproduction ratio 1.4x

that of a master lens

Dimensions

dia. × length

68.5 × 19.5 mm

(2.7 × 0.77 in)

68.5 × 52 mm

(2.7 × 2.05 in)

Weight 160g (5.64oz) 235g (8.29oz)

Dimensions and weight include the SIGMA mount.

ENGLISH

Sigma 1.4x Tele Converter Anleitung

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