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APERTURE SETTING
With Minolta AF
The aperture is set on the camera side in accordance with the exposure mode.
With Nikon AF
When shooting on programmed AE or shutter-priority AE mode, rotate the aperture to minimum
position. For aperture-priority or manual mode, turn the aperture ring to the desired setting. In
case of F401 series models the camera side, in accordance with the given instructions, sets the
aperture.
AE (Minimum Aperture) Lock [3]
For Nikon, it is possible to fix the aperture ring to the minimum aperture when using the program
AE mode or shutter-priority AE mode. If the aperture ring is set to the minimum aperture, and the
AE lock lever is depressed, the aperture ring is fixed at the minimum aperture position.
TRIPOD MOUNT [4]
If the tripod mount fixing screw is loosened, the lens can be turned 120° right and left from the
center position and can be fixed at any position in between. If the circular mark of the tripod
mount ring is adjusted to the circular mark on the side of the lens, it will be 90° from the center.
FILTER
The filter is the rear insertion type. The filter frame can be inserted in the cutout just behind the tri-
pod mount and at the time of shipment from the factory,a 43mm normal filter is placed in the fil-
ter frame. With a rear filter inserted, the flange back dimensions (standard dimension from the
abutting joint surface of the mount to the film surface) is set, so a rear filter must always be in
place when photographing. To protect the front lens, it is recommended to always install the
112mm normal filter (sold separately.)
Filter Fitting Method [5]
To install the rear filter, pull out the filter frame from the main body, change the filter (remove the
normal filter and install the desired filter), and then insert it so that the TAMRON logo of the filter
frame will be at the correct position. Please note if the filter is inserted upside down, the aperture
blades will fail.
CHECKING DEPTH-OF-FIELD [6]
The lens has a depth-of-field scale when the aperture is F32 and F16, and an approximate depth of
field can be known. For depth of field at each aperture and photographing range, you can check it
out on our website.http://www.tamron.com