Tamron A061 Manuel utilisateur

AF28-300mm

F/3.5-6.3 XR Di LD Aspherical [IF] Macro

(Model A061)

Thank you for purchasing the Tamron lens as the latest addition to

your photographic equipment. Before using your new lens, please

read the contents of this Owner's Manual thoroughly to familiarize

yourself with your lens and the proper photographing techniques

for creating the highest quality images possible. With proper

handling and care, your Tamron lens will give you many years of

photographing beautiful and exciting pictures.

NOMENCLATURE (Refer to Fig. 1)

1. Lens hood

2. Hood attaching alignment mark

3. Hood attaching bayonet ring

4. Distance index

5. Focusing ring

6. Distance scale

7. Zoom ring

8. Focal length size

9. Zoom/aperture index mark

10. Lens attachment mark

11. AF-MF altering switch

12. Lens mount/Lens mount contacts

13. Aperture ring

14. F-number scale

15. AE lock button

16. F-number scale for finder display

17. Zoom ring lock switch

18. F-number index mark for long focal lengths

FOCAL LENGTH 28 ~300 mm

MAXIMUM APERTURE F/3.5-6.3

ANGLE OF VIEW 75 - 8 deg.

LENS CONSTRUCTION

(GROUPS / ELEMENTS)

13/15

MINIMUM FOCUS DISTANCE 0.49 m

MAXIMUM MAGNIFICATION RATIO 1:2.9

FILTER SIZE 62 mm

LENGTH 83.7 mm

DIAMETER 73 mm

WEIGHT 420 g

SPECIFICATIONS

ATTACHING LENS TO CAMERA

*How to mount the lens

Removing the rear cap of the lens, align the lens attachment mark on the lens barrel

with its counterpart on the lens mount of the camera and insert the lens mount into

camera's mount opening. Rotate the lens clockwise until it click-locks.

*How to detach the lens

Pressing the lens release button of the camera down, turn the lens counterclockwise

(in case of Nikon lens, clockwise), and lift the lens off the camera's lens mount.

**For further details, please read the instruction manual of your camera.

FOCUSING (Autofocus)

Set the camera on the autofocus mode (AF). Press the shutter button lightly while

viewing through the cameras viewfinder, the lens focuses automatically. An in-focus

mark will light when lens focuses on the main subject sharply. Press the shutter but-

ton further to photograph.

*When set on AF mode, be very careful not to hinder the autofocusing movements of

the lens. Such interference may cause serious damage on the lens mechanism.

*Select between the autofocus and manual focus modes by the AF/MF switch on the

camera in case of Nikon, Minolta, or Pentax lens. The lens for Canon cameras has an

AF/MF mode selector switch on the lens barrel.

**For further details, please read the instruction manual that came with your camera.

FOCUSING (Manual Focus)

*Switch the focusing mode switch of the camera to manual focusing mode (MF) in

case of Nikon, Minolta or Pentax camera and in case of Canon, switch to MF on the

AF-MF altering switch on the lens barrel. Focus by manually rotating the focusing ring

while viewing through the camera's viewfinder. The main subject image in the

viewfinder will be critically sharp on the viewfinder screen as the lens focuses

correctly.

*Press the shutter button lightly while operating the lens for focusing. The focus aid

mark in the viewfinder will light up when the subject is in critical focus.

*Make sure the subject at infinity appears sharp in the finder when in focus.You

should do this for the reason that the infinity position on the lens is made to assure

correct focus under a wide variety of photographing conditions.

**For further details, please read the instruction manual of your camera.

*The minimum photographing distance of the A061 is constant at 0.49 m throughout

the entire zoom range.There is therefore, no minimum distance scale on the lens bar-

rel.

ZOOMING

*Rotate the zoom ring while viewing through the camera's viewfinder and compose

your image with the correct focal length obtained.

ZOOM LOCK SWITCH

This lens is equipped with a newly developed zoom lock switch mechanism, which

prevents the lens barrel from extending toward long focal lengths by their own

weight, while hanging off the shoulder, or a chair for example. Activate the switch at

28mm setting to stop the lens barrel from rotating and extending.

How to activate the zoom lock switch mechanism:

1. Locking: Set the lens to the 28-mm position. Move the switch toward the camera,

until the index lines align with each other.The lens barrel is now locked in position

and does not rotate or extend by its own weight.

2. Releasing: Push the switch away from the camera.The lens barrel is now free to

rotate and extend for zooming.

*The zoom lock switch can not be activated unless the lens is set to the 28-mm posi-

tion. Do not force the lock switch or do not try to rotate the lens barrel while locked.

*The lens can be used at 28-mm setting for picture taking while lens barrel is locked

by the switch.

*The zoom lock mechanism is made to prevent the lens barrel from extending while

carried around. When not locked, the zoom lens may change its focal length during a

long exposure if used while in a low or high angle position.

LENS APERTURE AND AE MODE

*Setting the lens f-numbers with Canon and Minolta cameras

Set the f-number with the aperture-setting device of the camera body in accordance

with the selected photographing mode.

**For further details, please read the instruction manual of your camera.

*Setting lens f-numbers with Nikon and Pentax cameras

Photographing in a programmed-AE or a shutter-priority AE mode, rotate the lens

aperture ring to the minimum aperture setting position, in case of a Nikon camera,

and set on the "A" position in case of Pentax camera.The aperture ring will be locked

in position automatically. When shooting in aperture priority-AE or manual exposure

mode, release the lens aperture ring by rotating the ring from the AE lock position by

depressing the Aperture ring lock button.

**The lens aperture varies with zooming movement. Cameras read the different lens

openings and automatically adjust the exposure properly.

**For further details, please read the instruction manual of your camera.

LENS HOOD

A bayonet-type lens hood is provided as a standard accessory. We recommend shoot-

ing with the hood attached whenever possible as the lens hood eliminates stray light,

which is harmful to the picture. However, please be aware of the precautions written

below when your camera is equipped with a built-in flash.

*Attaching the lens hood

1. Align the index mark on the hood with the index mark on the lens. Place the

hood onto the hood's attaching bayonet ring.

2. Turn the hood clockwise until it clicks. The index mark on the hood appears at

the top when it is correctly attached.

* Pay particular attention to align the hood attaching indexes when using zoom lens-

es including wide angle setting. (Ex. 35mm or wider). Improper attachment for wide-

angle zoom lenses may cause large shadowed areas in your pictures.

*Stowing the lens hood

1. Detach and reverse lens hood.Then align the index mark on the hood with the

index mark on the lens. Place the hood onto the hood's attaching bayonet ring.

2. Turn the hood clockwise until it clicks. The index mark on the hood appears at

the top when correctly stowed.

DEPTH OF FIELD

With a camera equipped with a depth of field preview button or an aperture stop-

down mechanism, the depth of field can be directly observed on the viewfinder

screen of your camera. For the operational details, please read the instruction manual

of your camera.

** The optical design for A061 takes into consideration the various features of digital

single reflex cameras. However, due to the configuration of the digital single reflex

cameras, even when the autofocus accuracy is within specifications, the focal point

may be a little forward or behind the optimum point when shooting with autofocus

under some conditions.

PRECAUTIONS IN SHOOTING

*The Tamron lens employs an internal focusing system to achieve a remarkable mini-

mum photographing distance of 0.4 to 0.49 meter (1.31 to 1.61 ft). Because of the

characteristics of this optical design, the angles of view at distances other than infinity

are wider than that of lenses applying an ordinary focusing system.

*When the built-in flash on the camera is used, adverse photographic phenomena

such as corner illumination fall-off or vignetting at the bottom part of the image may

be observed.This is due to the inherent illumination of the coverage of the built-in

flash, and/or the relative position of the flash to the edge of the lens barrel which

causes shadows on image. It is strongly recommended to use a suitable separate flash

unit provided by the camera manufacturer for all flash photography.

* When using the lens in a telephoto focal range, it may be necessary to use a tripod

to avoid camera shake. Using high speed film (ISO 400 or faster) with a fast shutter

speed is also helpful to reduce the influence of camera shake.

*Do not forcibly turn the focusing ring when the lens is set in AF mode. Doing so

could damage the lens and/or camera.

* Certain camera models may indicate the maximum and minimum aperture values

of the lens as approximate numbers.This is inherent to the design of the camera and

not an indication of error.

*Please be aware that there is no infrared index line on any models listed in this

owner's manual.Therefore practically no black and white infrared film can be used on

this lens.

TO ENSURE LONG-TERM SATISFACTION

* Avoid touching the glass element surface. Use a photographic lens cloth or blower

to remove dust from the lens element surface. When not using the lens, always place

a lens cap on it for protection.

* Use a lens cleaning tissue or lint cloth with a drop of cleaning solution to remove

fingerprints or dirt on the glass lens surface with a rotary motion from the center to

the edge. Use a silicon cloth to clean your lens barrel only.

* Clean the lens barrel with a silicon cloth. Do not use benzene or paint thinner or

other organic cleansers.

*Mildew is an enemy of your lens. Clean the lens after shooting near water or in any

humid place. Store your lens in a clean, cool and dry place.When storing the lens in a

lens case, store it with commercially available drying agent such as silica gel, and

change the agent occasionally. If you find mildew on your lens, consult an authorized

repair shop or nearby photographic store.

* Do not touch the lens-camera mount contacts since dust and/or dirt stains may

cause a contact failure between the lens and camera.

*When using your equipment in an environment where the temperature changes

from one extreme to the other, make sure to put your equipment temporarily in a

case or plastic bag for a length of time in order to go through a gradual temperature

shift. This will reduce potential equipment trouble.

TAMRON USA, INC.

10 AUSTIN BLVD.

COMMACK, NY 11725

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