Pentax smc Pentax-FA User manual
smc PENTAX-FA
INTERCHANGEABLE LENS
OPERATING MANUAL
50
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A
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5.6
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2.8
1.4
Congratulations on your purchase of smc PENTAX
lens.
This operating manual applies to all of the smc
PENTAX FA, FAJ 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.
CONTENTS
°FOR SAFE USE YOUR LENS……………1
°PRECAUTION AND LENS
MAINTENANCE ……………………………2
°smc PENTAX F, FA and FAJ 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
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 be sure to
follow precautions given in this page.
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.
•Leaving the camera in the direct sunlight
without covering the lens with the lens cap,
may damage to the inside of the camera.
•When storing the lens in a case, attach the
front and near lens caps that come sup-
plied with the lens to protect it from dust
and scratches.
•After removing the lens from the camera
body, be careful not to let it roll over or fall.
Be sure to place the lens with its front side
down.
•Moisture can cause serious damage to
optical glass elements. Storage in a damp
place may cause mildew, so avoid storing
the lens in a place where temperature and
humidity are high. Keep you lens in as dry
a place as possible.
•If you do not expect to use the lens for an
extended period, store it in the case with a
desiccant or it is recommended that the
lens occasionally be taken out of the case
and placed in a cool, dry, well-ventilated
place to avoid the possibility of damage
due to condensation build-up.
•Use a blower or lens brush to remove dust
on the lens. If the lens becomes dirty,
remove the dirty particle with a blower
brush, then wipe it off with a clean cotton
cloth or tissue paper moistened with lens
cleaning solution.
Wipe in a spiral pattern from the center to
the outside.
PRECAUTION AND LENS MAINTENANCE
2
The Pentax FA lenses are primarily designed
to work with the Pentax autofocus SLR (KAF2-
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 FAJ LENSES
3
50
15
8
10
3
2
A
22
16
11
8
5.6
4
2.8
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
•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.
•FAJ28-80mm f/3.5-5.6AL and FAJ75-300
mm f/4.5-5.8AL lenses have A (Auto) posi-
tion only, no aperture ring to set a f-stop
manually. The camera body controls aper-
ture settings on "A" position. Camera bod-
ies and accessories that not compatible
with "A" cannot be used.
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
or provide automatic electroni-
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
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
6
22
16
11
8
5.6
4
A
50
15
10 3
2
ft
m
8
22
16 8
APERTURE CONTROL
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, FAJ 28-80mm f/3.5-
5.6AL and FAJ 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 indicator in
the viewfinder for auto focus camera.
FOCUSING
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22
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5.6
4
28
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14
A
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15 86
10 32
1.5
ft
m
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.
F-STOPS OR F-NUMBERS AND CLICK STOPS 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
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