Pentax INTERCHANGEABLE LENS Manuale utente
smc PENTAX-FA
INTERCHANGEABLE LENS
OPERATING MANUAL
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Thank you for purchasing the smc PENTAX lens.
This operating manual applies to all of the smc
PENTAX FA, FA J and F lenses.
※In this manual, smc PENTAX FA lens is referred
to as FA lens.
※Please also read your camera's operating manual.
※Illustrations shown herein may differ from the
actual appearance.
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CONTENTS
°FOR SAFE USE OF YOUR LENS ………1
°PRECAUTION AND LENS
MAINTENANCE ……………………………2
°smc PENTAX F, FA and FA J LENSES …3
•Mount compatibility
°MOUNTING AND REMOVING OF
LENS ………………………………………5
°FINGER POINT ……………………………6
°APERTURE CONTROL …………………6
°FOCUSING …………………………………7
°HOW TO USE INFRARED INDEX ………9
°LENS HOOD ………………………………10
•Square lens hood
•Round-type lens hood
•Built-in lens hood
°FILTER ……………………………………14
°ZOOM LENS ………………………………16
°POWER ZOOM LENS……………………17
•Power zoom ring
•Aperture
•Infrared index of the zoom lens
°MACRO LENS ……………………………22
•Focus range limiter
•Clamp screw
•Tripod mount
•Magnification
°WIDE-ANGLE LENS
(FA★24mm f/2 AL (IF) ) …………………27
°TELEPHOTO LENS FA★85mm f/1.4 (IF)
FA★200mm f/2.8ED (IF),
FA★300mm f/4.5ED (IF) ………………28
•Note on ∞(infinity) mark
°PRECAUTIONS WHEN THE FLASH IS
USED ………………………………………30
°SOFT CASE FOR LENS…………………31
°SPECIFICATIONS ………………………32
°COMPATIBILITY OF LENSES
WITH THE BUILT-IN FLASH ……………38
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WARNING
•Never look at the sun through the lens
or camera. Serious damage to the reti-
na, or total loss of eyesight may occur.
•Wrapping the strap around your neck is
dangerous. Make sure that small chil-
dren do not get the strap caught their
neck. (A strap is supply only with some
large types of lenses)
CAUTION
•Do not leave the lens in direct sunlight
without lens caps. Sunrays passing
through the lens will be intensified, and
should they focus on flammable materi-
als, fire may occur.
FOR SAFE USE OF YOUR LENS
1
Although we have carefully designed these lenses for safe operation, please pay special
attention to items marked with the following symbols when using this product.
WARNING This mark indicates precautions that if not followed,
could result in serious injury to the user.
CAUTION This mark indicates precautions that if not followed,
could result in minor or medium injury to the user
or damage to the equipment.
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1. Storage and mildew prevention
•Take the lens out of the protective case or camera bag, and store it in a dry, well-ventilated place.
•Avoid storing the lens in a poorly ventilated location such as a closet, wardrobe, drawer, vehicle,
or where insect repellent or medicine is kept.
•Avoid storing the lens in areas of high temperature and humidity, where there is a risk of mildew
growth.
Store the lens with a desiccant in a dry cabinet, airtight container, or plastic bag. (Leaving a satu-
rated desiccant in the storage container can cause damage to the lens. Be sure to read the
instructions that came with the desiccant before use.)
2. The lens is not waterproof. When using the lens in a rain or mist, be careful not to allow it to get
wet.
3. Never use any organic solvent such as thinner, alcohol, or benzine, etc. to remove dust on the
lens.
4. The lens is a precise optical instrument. Be careful not to let it fall, or subject it to strong shocks
or pressure. Use a cushion or similar pad to protect the lens from the vibrations of motorcycles or
other vehicles, boats, etc.
5. Avoid subjecting the lens to rapid changes in temperature, otherwise condensation can occur on
both the inside and the outside of the lens. Put the lens in a plastic bag or camera bag, and take
it out after the lens has reached ambient temperature.
6. When the lens is not attached to the camera body, attach both the supplied lens cap and lens
mount cap to protect it from dust.
7. Do not leave the camera with the lens cap off attached to a tripod or other rigid camera support.
The inner parts of the camera can be damaged by direct sunlight.
8. Have the lens inspected by a dealer every one or two years to maintain its high performance.
PRECAUTION AND LENS MAINTENANCE
2
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The Pentax FA lenses are primarily designed
to work with the Pentax autofocus SLR (KAF-
or KAF2-mount camera), making autofocus
shooting possible.
When Pentax FA Zoom lenses with power
zoom function are used on the Pentax KAF2-
mount camera, the camera features a Power
Zoom system.
•An FA zoom lens without the power zoom
contacts are shown in the illustration does
not have the power zoom function.
•Do not damage or dirty the power contacts.
smc PENTAX F, FA and FA J LENSES
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1.4
Focusing ring Front-ring threads
Distance scale
Aperture ring
Depth-of-field scale
Aperture-A-lock button
AF coupler Lens-information
contacts
Power zoom contacts
KAF-mount KAF2-mount
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•When using FA lens with the K-mount
Pentax camera having no lens information
contacts, be sure to set the lens aperture
ring to any f-stop other then A. If set to the
"A" position, the lens will automatically be
set to the minimum aperture, causing
improper exposure.
CAUTION :
•Be careful not to damage or dirty the lens
information contacts and AF coupler on the
mount surfaces of the camera and lens.
Otherwise, failure or malfunction may
result. If this occurs, wipe them gently with
a clean, dry cloth.
•FA J18-35mm f/4-5.6AL, FA J28-80mm
f/3.5-5.6AL and FA J75-300 mm f/4.5-
5.8AL lenses have no aperture ring to set a
f-stop manually. Aperture settings are con-
trolled automatically as if set to the auto "A"
position, so accessories without an auto
"A" setting cannot be used with these lens-
es.
Camera/Lens Mount Compatibility
Pentax camera/lens mount compatibility chart
is shown below.
4
KAF2-mount
which is equipped with
°Power contacts
°AF coupler
°Lens information contacts
KAF-mount
which is equipped with
°AF coupler
°Lens information contacts
KA-mount
which is equipped with
°Lens information contacts
K-mount
(base mount) -
-will not autofocus, autozoom.
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1. To mount the lens on the camera body
Align the red dots on the lens and camera
body, and then turn the lens clockwise until
it clicks into place.
※After mounting the lens, try to turn the lens
counterclockwise to make sure it is locked
in place.
2. To remove the lens
Hold down the lens unlock button on the
camera body and turn the lens counter-
clockwise.
MOUNTING AND REMOVING OF LENS
5
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The lens can be mounted on the camera by
aligning the finger point with the lens unlock
button.
•Following Limited lenses have finger point.
FA31mm f/1.8AL Limited.
FA43mm f/1.9 Limited.
FA77mm f/1.8 Limited.
Setting the aperture to "A"(Auto)
Turn the aperture ring to align the aperture-A
index with the line while depressing the
Aperture-A-lock button. The aperture ring can
be released from "A" in the same manner
to set your desired f-stop manually.
•FA28-105mm f/4-5.6(IF) and FA28-200
mm f/3.8-5.6AL lenses can set to "A" posi-
tion without depressing the Aperture-A-lock
button.
•When using the camera body with no lens
information contact, set the aperture ring to
desired f-stop other than "A" position.
FINGER POINT
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m
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APERTURE CONTROL
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To set the focus mode
Slide the focus mode switch on the camera
body to change the focus mode to AF
(Autofocus) or MF (Manual focus).
•During autofocus, do not touch the focus-
ing ring of your lens or you will interfere
with proper lens movement.
In manual focus mode
You can adjust focus on the subjects by turn-
ing the focusing ring manually and confirming
the focus indicator in the viewfinder.
•FA 28-90mm f/3.5-5.6, FA J 28-80mm
f/3.5-5.6AL and FA J 75-300mm f/4.5-
5.8AL lenses have no distance scale,
adjust focus with aid of the matte field for
non-auto focus camera or using focus indi-
cator in the viewfinder for auto focus cam-
era.
FOCUSING
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There is a white dot next to the maximum f-
number engraved on the lens's aperture ring
on many Pentax lenses. This white dot indi-
cates an aperture which is darker by one stop
(larger number). The illustration below shows
the white dot next to f/4.5 is f/5.6.
The click stops between two engraved f/stops
are equivalent to intermediate f-stops. Some
lenses do not have an intermediate click f-
stop on the aperture ring due to limited space
between the f-numbers engraved on the
aperture ring.
8
1.4
1.2
2
1.7
2.8
2.4
4
3.4
5.6
4.8
8
6.7
11
9.5
16
13.5
22
19
32
26
45
38
F-STOPS OR F-NUMBERS AND CLICK STOPS
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Questo manuale è adatto per i seguenti modelli
23
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