Pentax Camera Lens D User Manual

smc PENTAX-D FA  
INTERCHANGEABLE LENS  
OPERATING MANUAL  
 
1
FOR SAFE USE OF YOUR LENS  
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  
CAUTION  
This mark indicates precautions that if not followed,  
could result in serious injury to the user.  
This mark indicates precautions that if not followed,  
could result in minor or medium injury to the user  
or damage to the equipment.  
WARNING  
Never look at the sun through the lens or camera. Serious damage to the retina, or  
total loss of eyesight may occur.  
CAUTION  
Do not leave the lens in direct sunlight without lens caps. Direct sunlight passing  
through the lens will be intensified, and should it focus on flammable materials, fire  
may occur.  
 
2
PRECAUTIONS AND LENS MAINTENANCE  
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 saturated 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.  
 
3
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.  
 
4
CONTENTS  
FOREWORD  
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FOR SAFE USE OF YOUR LENS ··········································································· 1  
PRECAUTIONS AND LENS MAINTENANCE ····················································· 2  
smc PENTAX-D FA LENS ······················································································· 6  
About the Lens Mount ································································································ 7  
Camera/Lens Mount Compatibility ············································································· 8  
MOUNTING AND REMOVING THE LENS ··························································· 9  
FOCUSING ··················································································································· 10  
Switching the Focus Mode ······················································································· 10  
Using Autofocus ········································································································ 10  
Using Manual Focus·································································································· 11  
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Using the Quick-Shift Focus System (  
-series cameras only)························ 12  
How to use the Quick-Shift Focus System································································ 12  
HOW TO USE THE INFRARED INDEX ······························································· 13  
APERTURE CONTROL ··························································································· 14  
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MACRO LENS ·········································································································· 16  
Magnification Scale···································································································· 17  
About the Clamp Switch ···························································································· 18  
LENS HOOD·············································································································· 19  
FILTERS······················································································································ 20  
Precaution on filters··································································································· 20  
PRECAUTIONS WHEN USING THE LENS WITH A FLASH··························· 21  
Built-in Flash·············································································································· 21  
MAIN SPECIFICATIONS ························································································ 22  
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6
smc PENTAX-D FA LENS  
Front-ring threads  
Focusing ring  
Distance scale  
Aperture ring  
Depth-of-field scale  
Aperture-A-lock button  
 
7
About the Lens Mount  
The D FA lens mount is called the “KAF - mount.” This lens mount enables autofocus and  
autoexposure.  
KAF-mount  
AF coupler  
Lens information  
contacts  
CAUTION  
Be careful not to damage or dirty the lens information contacts and AF coupler  
on the mount surface of the lens. Otherwise, failure or malfunction may result.  
 
8
Camera/Lens Mount Compatibility  
Pentax camera/lens mount compatibility chart is shown below.  
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)  
 
9
MOUNTING AND REMOVING THE LENS  
2
1
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.  
Push the tabs in the directions shown by the arrows to remove the lens cap. Attach the  
lens cap when the lens is not used.  
Memo:  
Do not hold down the lens unlock button while mounting the lens, otherwise the lens will  
not be properly mounted.  
After mounting the lens, gently 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  
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10  
FOCUSING  
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2
1. Switching the Focus Mode  
Use the camera’s focus mode switch to change between the autofocus mode and  
manual-focus mode. For details, refer to your camera’s manual.  
If you use the lens with a manual-focus camera, focus the lens manually.  
2. Using Autofocus  
Set to autofocus with the camera’s focus mode, and press the shutter button halfway or  
press the AF button of  
and MZ-S to autofocus.  
Note that during the autofocus operation, the D FA lens’ focusing ring does not rotate.  
However, do not turn the focusing ring during the autofocus operation. Doing so will  
cause a malfunction.  
 
11  
3
3. Using Manual Focus  
Set to MF with the camera’s focus mode, and turn the focusing ring to focus manually.  
If the lens is used with a camera, you must set the focus mode switch to MF before  
you focus manually.  
Note:  
When focusing manually, do not turn the focusing ring all the way to infinity or  
to the minimum focusing distance.  
 
12  
Using the Quick-Shift Focus System (  
-series cameras only)  
If you use the lens with an  
camera and the focus mode is set to autofocus, you can  
focus manually after autofocus is achieved. Just turn the focusing ring to manually touch-  
up the focus. You can do this without switching the focus mode to MF.  
How to use the Quick-Shift Focus System  
1. Using Autofocus  
Set the camera’s focus mode switch to autofocus, then press the shutter button halfway  
(or press the AF button) to autofocus.  
2. Adjust the focus by turning the focusing ring.  
3. Finally, press the shutter release button to take the picture.  
CAUTION  
During the autofocus operation, the focusing ring does not rotate. Do not  
turn the focusing ring during the autofocus operation. Doing so will cause a  
malfunction.  
When using the Quick Shift Focus System, keep pressing the shutter button  
(or AF button) after you achieve focus and before taking the picture. If you  
let go of the shutter button before taking the picture, you will have to focus  
all over again when you press the shutter button again.  
 
13  
HOW TO USE THE INFRARED INDEX  
If you use infrared film and attach an R2 or O2 filter to the lens to take infrared pictures, the  
point of focus will be different from when you shoot normally (with visible light). A focusing  
correction will be necessary. As shown above left, memorize the focusing point on the lens  
distance scale when viewed through the viewfinder and turn the focusing ring until the point  
you memorized aligns with the infrared index, red dot, as shown above right.  
Infrared film can not be used for MZ-S, MZ-60 and *ist since infrared ray is used for  
detecting device of film transport. It will expose infrared film in the camera.  
Turn the focusing ring in the MANUAL focus mode only.  
For the exposure control requierd in this special photography, see the information  
supplied with the infrared film.  
 
14  
APERTURE CONTROL  
Setting the aperture to “A”(Auto)  
Turn the aperture ring to align the aperture-A index with the white 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.  
If the camera has the KAF2 lens mount and the aperture is not set to A, the approximate  
aperture setting will be displayed on the display panel and in the viewfinder.  
If the camera has the K lens mount which has no electronic contacts to transmit the lens  
information, set the aperture to any f-stop other than A.  
 
15  
Aperture Ring Cautions  
The following restrictions apply to the respective cameras below.  
If the camera is set to the default settings and the aperture ring  
is not set to A, the camera will not work. Be sure to set the  
aperture ring to A and set the aperture with the camera. Although  
you can use the Custom Function menu or C Custom menu to  
enable camera operation while the aperture ring is not set to A,  
restrictions will apply. Refer to the camera’s manual for details.  
-series,  
If the aperture ring is not set to A, the camera will not work. Be  
sure to set the aperture ring to A and set the aperture with the  
camera.  
MZ-60, MZ-30  
MZ-50  
 
16  
MACRO LENS  
The D FA Macro 50mm f/2.8 and D FA Macro 100mm f/2.8 lenses enable closeup  
photography up to 1x magnification.  
Clamp Switch  
 
17  
Magnification Scale  
The magnification is indicated by denominators on the distance scale. “1” indicates “1x”.  
For example, “1” on the magnification scale at the top will make the magnification 1/1x. If  
you want to set the magnification first, turn the focusing ring to set the desired  
magnification. Then focus the subject by moving the camera forward or back.  
 
18  
About the Clamp Switch  
The D FA Macro 50mm f/2.8 and D FA Macro 100mm f/2.8 lenses are equipped with a  
Clamp switch which is convenient for manual focus.  
The Clamp switch locks the manual focus position. You can use it when taking close-ups  
with a copy stand, for example.  
Using the Clamp Switch  
Focus manually, then set the Clamp switch to ON.  
The point of focus will be locked. Autofocus will also be disabled.  
Do not turn the focusing ring forcibly while setting the Clamp switch to ON because there  
is a slight possibility that the point of focus may change.  
If you use the Clamp switch with any of the following cameras, be sure to first set the  
camera’s focus mode switch to MF.  
 
Z-10, Z-20, Z-20P, Z-50 P, Z-70P, MZ-5, MZ-10, and MZ-50  
19  
LENS HOOD  
Using a lens hood is recommended to block stray light from entering the lens. The stray  
light s internal reflections degrade the image quality.  
Lens hood for D FA lens  
How to attach  
Put the hood on the lens, and turn it as shown by the arrow until it clicks in place.  
Memo:  
When the lens hood is not in use, it can also be turned around and attached in the  
reversed position.  
 
20  
FILTERS  
The filter is mounted into the screw thread in front of the lens.  
Precaution on filters  
Since the filter becomes a part of the optics when attached on the lens, handle it in the  
same way you handle the lens with care to dust, dirt and scratches. Avoid using more  
than one filter, unless it is a circular polarizing filter. Using two or more filters will degrade  
the image quality and the filter effect will not be obtained.  
Use a circular polarizing filter with Autofocus camera for proper exposure and  
autofocusing.  
 
21  
PRECAUTIONS WHEN USING THE LENS WITH A FLASH  
Built-in Flash  
The built-in flash can not be used when the distance is less than 0.7m. When the flash is  
used within 0.7m, it causes incorrect exposure control.  
If the built-in flash is used with the lens hood attached to the lens, the flash light will be  
blocked by the lens hood. Always make sure to remove the lens hood before using the  
built-in flash.  
 
22  
MAIN SPECIFICATIONS  
Lens  
smc PENTAX-D FA Macro 100mm f/2.8  
9-8  
Elements in groups  
Angle of view  
Aperture  
24.5˚ (16˚ when attached to  
-series)  
f/2.8  
Mount type  
KAF-mount  
Minimum focus distance  
Maximum magnification  
Filter size  
0.303m (0.99ft) (0.130m (0.45ft) working distance)  
1×  
49mm  
Lens hood  
PH-RBB 49mm (provided)  
67.5mm × 80.5mm (2.6in × 3.2in)  
345g/12.2oz  
Max. Diameter x Length  
Weight  
Soft case  
S80-120  
 
23  
Lens  
smc PENTAX-D FA Macro 50mm f/2.8  
8-7  
Elements in groups  
Angle of view  
Aperture  
47˚ (31.5˚ when attached to  
-series)  
f/2.8  
Mount type  
KAF-mount  
Minimum focus distance  
Maximum magnification  
Filter size  
0.195m (0.64ft) (0.047m (0.15ft) working distance)  
1×  
49mm  
Lens hood  
PH-RBC 49mm (provided)  
67.5mm × 60mm (2.6in × 2.6in)  
265g/9.3oz  
Max. Diameter x Length  
Weight  
Soft case  
S80-80  
Specifications and external dimensions are subject to change without notice.  
 
24  
Memo :  
 
25  
For customers in the USA  
STATEMENT OF FCC COMPLIANCE  
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions  
: (1) This device may not cause harmful interference, and (2) this device must accept any interference  
received, including interference that may cause undesired operation.  
Changes or modifications not approved by the party responsible for compliance could void the user's  
authority to operate the equipment.  
This equipment has been tested and found to comply with the limits for a Class B digital device, pur-  
suant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against  
harmful interference in a residential installation. This equipment generates, uses and can radiate radio  
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful  
interference to radio communications. However, there is no guarantee that interference will not occur in  
a particular installation. If this equipment does cause harmful interference to radio or television recep-  
tion, which can be determined by turning the equipment off and on, the user is encouraged to try to cor-  
rect the interference by one or more of the following measures :  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is connect-  
ed.  
*Consult the dealer or an experienced radio/TV technician for help.  
For customers in the Canada  
This Class  
B
digital apparatus meets all requirements of the Canadian Interference-Causing Equipment  
Regulations.  
Cet appareil numérique de la classe B respecte toutes les exigences du Réglement sur le matériel brouilleur du  
Canada.  
 
PENTAX Corporation  
2-36-9,Maeno-cho, Itabashi-ku, Tokyo 174-8639, JAPAN (http://www.pentax.co.jp/)  
PENTAX Europe GmbH Julius-Vosseler-Strasse, 104, 22527 Hamburg, GERMANY  
PENTAX U.K. Limited  
PENTAX House, Heron Drive, Langley, Slough, Berks SL3 8PN, U.K. (http://www.pentax.co.uk)  
PENTAX France S.A.S.  
PENTAX Benelux B.V.  
12/14, rue Jean Poulmarch, 95106 Argenteuil Cedex, FRANCE  
(for Netherlands) Spinveld 25, 4815 HR Breda, NETHERLANDS (http://www.pentax.nl)  
(for Belgium & Luxembourg) Weiveldlaan 3-5, 1930 Zaventem, BELGIUM (http://www.pentax.be)  
PENTAX (Schweiz)  
AG Widenholzstrasse 1 Postfach 367 8305 Dietlikon, SWITZERLAND (http://www.pentax.ch)  
PENTAX Scandinavia AB P. O. Box 650, 75127 Uppsala, SWEDEN (http://www.pentax.se)  
PENTAX Imaging Company  
A Division of PENTAX of America, Inc.  
(Headquarters)  
600 12th Street, Suite 300 Golden, Colorado 80401, U.S.A.  
(Distribution & Service Center)  
16163 West 45th Drive, Unit H Golden, Colorado80403, U.S.A.(http://www.pentaximaging.com)  
PENTAX Canada Inc.  
1770 Argentia Road,Mississauga, Ontario L5N 3S7 CANADA (http://www.pentaxcanada.ca)  
for your  
precious moments  
The CE Mark is a Directive conformity mark of the European Community.  
Copyright PENTAX Corporation 2004  
©
57451ENG Printed on recycled paper.  
01-200409  
Printed in Japan  
 

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