Tamron 190D User manual

AF 24~135mm F/3.5-5.6 AD
Aspherical [IF] Macro
(Model 190D)
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
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 mount
10. Lens attachment mark (Canon, Minolta Fig. 2 & 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. 3)
190D
Focal Length 24-135 mm
Maximum Aperture F/3.5 - 5.6
Angle of View 84° - 18°
Lens Construction 10/14
Minimum Focus Distance 0.4 m
Maximum Magnification Ratio 1:3.3
Filter Size 72 mm
Length 80.6 mm
Diameter 78.5 mm
Weight 530 g
SPECIFICATIONS
* Length, diameter and weight listed in lens specifications are of lenses with Nikon mounts.
* Features and cosmetic designs of lenses listed in this owner's manual may be revised with-
out 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 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 (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) (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 main subject sharply. Press the shutter button further to photograph.
* 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 to the lens mechanism.
Select between the autofocus and manual focus modes by the AF/MF switch on the
camera in case of Nikon, Minolta, and Pentax. The lens for Canon cameras has an 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 and in case of Canon, switch to MF on the AF-MF
altering 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 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 a critical focus.
Make sure the subject at infinity appears sharp in the finder when you focus, because
the infinity position on the lens is made with certain allowance to assure right focus under a
wide variety o photographing conditions.
* For further details, please read the instruction manual of your camera.
* The minimum photographing distance of the Model 190D is constant at 0.4 m throughout
the entire zooming range. There is, therefore, no minimum distance scale on the lens barrel.

ZOOMING (Ref. Fig. 2)
Rotate the zoom ring while viewing through the camera's viewfinder and compose
your image with right focal length obtained.
ZOOM LOCK SWITCH (Ref. Fig. 2)
Model 190D is equipped with newly developed zoom lock switch mechanisms, which pre-
vent lens barrels from extending toward long focal length by their own weight while hung
from shoulders. Activated by switches at 24 mm settings to stop the lens barrels from rotat-
ing and extending.
How to activate the zoom lock switch mechanism
1. Locking: Set the lens to the 24-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 your camera. The lens barrel is now free to rotate
and extend for zooming.
* The zoom lock switch cannot be activated unless the lens is set to the 24-mm position. Do
not force the lock switch or do not try to rotate the lens barrel while locked.
* The lens can be used at 24-mm setting for picture taking even when locked by the switch.
* The zoom lock mechanism is made to prevent the lens barrel from extending while carried
around on shoulder. When not locked, the zoom lens may change its focal length during a
long exposure if used in a low or high angle position.
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
selected photographing mode.
* For further details, please read the instruction manual of your camera.
Setting lens f-numbers with Nikon & Pentax
Photographing in a programmed-AE or a shutter-speed-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 the case of a Pentax camera. The aperture ring will be locked in posi-
tion 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 depressing the
Aperture ring lock button. If your camera is a Nikon F401 or F50, you can set the aperture to
any desired f-number, leaving the aperture ring at the minimum opening position.
* The lens aperture varies with zooming movement. Cameras read the difference 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, 2, 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 (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 wide-angle (e.i. 35mm or wider) settings. Improper attachment of a hood for wide-
angle zoom lens may cause large shadowed areas in your pictures.
Stowing lens hood (Ref. Fig. 11)
a. Detach and reverse lens hood then, align alignment mark of lens hood (TAMRON O) with
alignment mark of lens. (Fig. 11a)
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. (Fig. 11b).
DEPTH OF FIELD
With 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, 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
The Tamron lenses 24-135 mm (Model 190D) employs an internal focusing (IF) system
to achieve remarkable minimum photographing distances of 0.4 to 0.49 meter (1.31 to 1.61
feet). Because of the characteristics of this optical design, the angles of view at distances
other than infinity are wider than that of the 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, 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 cause 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.
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.
Do not hinder the autofocusing movements of the lens. Such interference may cause
a serious damage on the lens mechanism.
Certain camera models may indicate inappropriate maximum and minimum aperture
values. This is inherent to the design of the camera and not an indication of an error.
Please carefully select the filters for your lens, especially when choosing special filters,
such as a PL filter. An ordinary PL filter has a rotating rim that increases the dimensions of
the filter rim to a size larger than a regular filter (thicker filter rim). Using a larger rim may
result in the blurring of all four corners of the photograph taken. For this reason, we recom-
mend filters with thinner rims that are common for wide-angle lenses.
TO ENSURE LONG-TERM SATISFACTION
Avoid touching the glass element surface. Use a photographic lens cloth or blower
brush 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 fin-
gerprints 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 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 a nearby photo-
graphic store.

TO ENSURE LONG-TERM SATISFACTION (CON’T)
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 temper-
ature changes from one extreme to the other, make sure to put you equipment temporarily
in a case or a plastic bag for a length of time in order for the equipment to go through grad-
ual temperature change. This will also reduce potential equipment troubles.