Irix 15 f/2.4 mm Mode D'emploi page 5

is a noticeable "click", making it easier to find the
value without looking.
Details regarding the hyperfocal and focus depth
scales can be found in the Extended User Manual.
[8] GELATIN FILTER SLOT
The design of the lens allows the use of gelatin filters,
which are inserted into the slot in the back of the
lens.
Advice on cutting out filters can be found in the
Extended User Manual.
Exercise caution when inserting the filter and do
not touch the lens or the electrical contacts
around the bayonet. Do not use filters with
different dimensions than those described in the
Extended User Manual.
[9] BAYONET MOUNT
Mounting the lens to the camera is described in the
camera's user manual and is different for various
systems.
The marker (dot) on the lens body facilitates
mounting the lens onto the camera.
[10] REAR LENS CAP
The rear lens cap protects the lens during transport
and should be in place whenever the lens is not
attached to the camera.
IRIS APERTURE ADJUSTMENT
The iris of the lens is operated electronically
through the camera. Detailed information
regarding aperture operation can be found in the
camera's user manual and can differ for various
systems.
LENS POUCH AND HARDCASE
In order to protect the lens against dust and
scratching, it is recommended to store it in a
pouch or hardcase. However, remember that a
pouch and hardcase do not provide protection
from water, falling, or shock.
MAINTENANCE
The lenses have antireflective coating and are dirt-
resistant, but they are not scratch-proof.
Use only cleaning agents intended for optics.
Larger impurities should be removed first with
compressed air or a clean soft brush.
WARNINGS
The lens is equipped with a seal to protect the
interior from dust and moisture. It is not,
however, completely waterproof. Do not
submerge it in water or store it for extended
periods of time in humid places. To achieve
better water-tightness, use of the front
protective filter is recommended.
Protect the lens from shock, falling, and
excessive vibrations.
Do not leave the lens in direct sunlight, as
EN — 3