Tamron A05 Manuale utente

SP AF 17 ~ 35 mm F/2.8 ~ 4

Di LD Aspherical [IF]

(Model A05)

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, if not specified)

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 scale

9. Zoom/Aperture index mark

10. Lens attachment mark (Canon, Minolta Fig. 5)

11. AF-MF altering switch (Canon Fig. 5)

12. Lens mount/Lens mount contacts (Nikon)

13. Aperture ring (Nikon, Pentax Fig. 7)

14. F-number scale (Nikon, Pentax Fig. 7)

15. AE lock button (Nikon, Pentax Fig. 7)

16. F-number scale for finder display (Nikon)

17. Zoom ring lock switch (Fig. 3)

18. F-number index mark for long focal lengths (Fig. 1)

A05

Focal Length 17-35mm

Maximum Aperture F/2.8-4

Angle of View 104 - 63

Lens Construction 11/14

Minimum Focus Distance 0.3 m

Maximum Magnification Ratio 1:5.4 (at 35mm)

Filter Size 77mm

Length 86.5mm

Diameter 83.2mm

Weight 440g

SPECIFICATIONS

* Lengths, diameters and weights listed are of lenses with Nikon mounts.

* Features and cosmetic designs of lenses listed in this owner's manual may be revised without notice.

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 the camera's

mount opening. Rotate the lens clockwise until it click-locks. For Nikon models, align the

lens attachment mark with the dot on the camera and rotate the lens counter-clockwise

until it click-locks.

How to detach the lens

Pressing the lens release button of the camera down, turn the lens counter-clockwise (clock-

wise in case on Nikon), and lift the lens off the camera's lens mount.

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

FOCUSING (Autofocus) (Ref. Figs. 1 & 2)

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

through the camera's viewfinder, the lens focuses automatically. An in-focus mark will light

when lens focuses on the main subject sharply. Press the shutter button further to photo-

graph.

* Also, please read the camera's instruction booklet carefully.

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

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

Select between the autofocus and manual focus modes by the AF/MF mode selector

switch on the lens barrel.

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

FOCUSING (Manual Focus) (Ref. Fig. 2)

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

case of Nikon, Minolta, or Pentax camera. In case of Canon, switch to MF on the AF-MF alter-

ing switch on the lens barrel. Focus 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 lens focuses rightly.

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. Because,

the infinity position on the lens is made with certain allowance to assure right focus under a

wide variety of photographing conditions.

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

ZOOMING (Ref. Fig. 2)

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

your image with right focal length obtained.

LENS APERTURE AND AE MODE (Ref. Fig. 7 & 8)

Setting lens f-numbers with Canon & Minolta cameras

Set the f-number with 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 the f-numbers with Nikon & Pentax cameras

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

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

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

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

release the lens aperture ring by rotating the ring from the AE lock position and depressing

the Aperture ring lock button. If your camera is a Nikon F401 or F50, you can set the aper-

ture to any desired f-number, leaving the aperture ring at the minimum opening position.

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

ings and automatically adjust the exposure properly.

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

LENS HOOD (Ref. Figs. 1, 9, 10 & 11)

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

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 (Ref. Fig. 9 & 10)

Align the index mark on the hood with the corresponding index mark (O or the top of the

index line of the distance scale) on the lens. Press the hood lightly onto the hood attaching

bayonet ring (Fig. 9, No. 1) and then rotate it clockwise to secure (Fig. 9, No. 2). The lens hood

will be securely held as the mark "TAMRON O" comes to the top (Fig. 10, No. 3). When attach-

ing the lens hood, hold the focusing and zoom control rings so that they are not rotated

unintentionally.

* Pay particular attention to align the hood attaching indices when using zoom lenses

including wise-angle (i.e. 35mm or wider) settings. Improper attachment of a hood for wide-

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

LENS HOOD (Ref. Figs. 1, 9, 10 & 11) (con’t)

Stowing Lens Hood

a. Detach and reverse lens hood then, align alignment mark of lens hood (TAMRON O) with

alignment mark of lens. (Fig. 11,a).

b. Press lens hood evenly onto bayonet ring and turn hood clockwise until stop. When

stopped, alignment mark of hood will be placed at top.

DEPTH OF FIELD

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

mechanism, the depth-of-field can be directly observed on the viewfinder screen of your

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

* In case you need a depth-of-field table of your lens, please ask for it at a Tamron distribu-

tor or a service station.

INFRARED PHOTOGRAPHY

Please be aware that there is no infrared index line on any models listed on this owner's

manual, and therefore, practically no black-and-white infrared film can be used with these

lenses.

PRECAUTIONS IN SHOOTING

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,

especially in wide-angle ranges.This is due to the inherent limitation of 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 the image. It is strongly recommended to use a suitable separate flash

unit provided by the camera manufacturer for all flash photography.

* For further details, please read the "built-in flash article on the instruction manual of your

camera.

PRECAUTIONS IN SHOOTING (con’t)

When using the lens in the 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.

Tele-converters are efficient tools to add focal length to the photographer's telephoto

lenses including zoom lenses but cannot be recommended for use with wide-angle lenses

or zoom lenses that cover wide-angle range focal lengths.

* When a tele-converter is attached, the focal length of the lens becomes longer but the

depth of field becomes shallower and it may be difficult to focus in AF mode. Therefore,

focusing in MF (Manual Focusing) mode is recommended when a tele-converter is used. 2X

tele-converters cannot be used with this lens. Do not use 2X tele-converters.

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

the lens as inappropriate numbers. This is inherent to the design of the camera and not an

indication of an error.

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 a 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.

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 a commercially available drying agent such as silica gel, and change the

agent occasionally. If you find mildew on your lens, consult a repair shop or nearby photo-

graphic store.

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

cause contact failure between the lens and camera.

When using your equipment [camera(s) and lens(es)] in an environment where the

temperature changes from one extreme to the other, make sure to put your equipment

temporarily in a case or a plastic bag for a length of time in order for the equipment to go

through a gradual temperature shift. This will reduce potential equipment trouble.

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