Pentax PHOTO Browser 3 Manuel utilisateur
Installation Guide: Pentax K-3, K-5, K-5II, K-7, K-30, K-50 & K-500
Thank you very much for your purchase of a KatzEye™ focusing screen. This
document provides installation instructions for the Pentax K-3, K-5, K-5II, K-7, K-30, K-
50 & K-500 cameras. While these instructions are based on a K-7 installation, the
procedure is equally applicable to all models. The installation of the KatzEye™ screen
requires no modifications to the camera, and when properly performed, is completely
reversible. For best results, please read completely through the instructions before
beginning the procedure.
WARNING:THESE INSTRUCTION ARE PROVIDED "AS IS"WITHOUT WARRANTY OF ANY KIND,EITHER
EXPRESSED OR IMPLIED,INCLUDING,BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.KATZEYE™OPTICS ACCEPTS NO
LIABILITY FOR DAMAGE RESULTING FROM USING THESE INSTRUCTIONS.SHOULD DAMAGE OCCUR AS A
RESULT OF FOLLOWING THESE INSTRUCTIONS,THE USER WILL ASSUME THE ENTIRE COST OF ALL
NECESSARY SERVICING,REPAIR OR CORRECTION.KATZEYE™OPTICS’LIABILITY IS LIMITED TO
REPAIR OR REPLACEMENT OF PARTS SUPPLIED BY KATZEYE™OPTICS,AT OUR SOLE DISCRETION.
Note: Pictures are available in larger format on the internet. Just click the links.
1. Set up a work area which is relatively free of dust and has a
soft surface on which to place the camera.
2. Collect the necessary tools and supplies. You will need:
a. Plastic Tweezers Tool (supplied)
b. PecPads or similar
c. Small scissors
d. Bulb blower
e. Rubber gloves (optional), powder free Click Photo to Enlarge
3. Before removing the lens or body cap, use a bulb blower or cleaning brush to remove dust
around the lens mount. This will help prevent dust from getting into the viewfinder.
4. Remove the lens from the camera and note the position of the focusing screen, the screen
retainer and the latch. Clean any dust from the mirror chamber before beginning the
procedure to help ensure a dust-free result. Place a strip of PecPad over the main mirror
for protection. The pad is omitted in the photos in this guide for visual clarity.
Click Photo to Enlar
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©2009-2013 KatzEye™ Optics Page 2 Revised: November 26, 2013
5. The end of the supplied tool has a small tab. Use this tab to gently lift the latch toward the
lens mount and allow the retainer to come free. The latch is highlighted again in the right
photo, from a slightly different angle. Remember to click the photos for a larger version
online if necessary.
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6. Use the tip of the tool to lower the retainer down to the mirror. The retainer will stop before
contacting the mirror, as shown in the right image below.
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7. Using the tool provided, carefully grasp the focusing screen by the handling tab and
remove it from the camera. Be careful not to scratch the screen on the retainer or
other hard surface! Only touch the screen by the tab!
Click Photo to Enlar
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©2009-2013 KatzEye™ Optics Page 3 Revised: November 26, 2013
8. Place the original screen on the foam padded lid of the opened case of the KatzEye™
focusing screen. Carefully cut the seal off the bag containing the KatzEye™ screen with a
scissors. Keep the special non-scratching bag to use for storing the original screen.
Click Photo to Enlar
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9. Using the tool provided, and being careful to touch only the handling tab, remove the
KatzEye screen from the protective bag. Do not touch the screen with your fingers!
Note the position of the two resting points circled in the right photo.
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10.Insert the screen into the camera and rest it on frame, making sure it sits on the two resting
points noted previously. Be careful not to scratch the screen on the retainer or other
hard surface! Only touch the screen by the tab! Ensure that the screen is sitting
correctly in the frame as shown in the right photo.
Click Photo to Enlar
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©2009-2013 KatzEye™ Optics Page 4 Revised: November 26, 2013
11.Using the tip of the provided tool, carefully raise the retainer to the closed position. A slight
click can be felt and/or heard as the latch catches the retainer.
Click Photo to Enlar
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12.If necessary, blow any dust out of the mirror chamber with the bulb blower. Attach a lens
and test the camera functions. If the camera functions correctly, the installation is
complete. If any problems are encountered, please contact KatzEye™ Optics technical
support for assistance.
Installation Complete
Technical Support
return all emails within 24 hours. Technical support is also available by phone at
+1.413.743.2523 between the hours of 8:00am and 6:00pm Eastern Standard Time (GMT-
5:00), Monday through Saturday. If we are not available, please leave a brief message,
including your name and phone number, and we will call you back as soon as possible and
always within 24 hours.
If you do not wish to complete the installation yourself, KatzEye™ Optics can provide
installation services. Please visit the KatzEye™ Optics website, www.katzeyeoptics.com to
purchase our installation service. We would also be happy to advise your choice of local
camera shop regarding the installation procedure. Thank you very much for your purchase of
a KatzEye™ focusing screen and may the world favor you with abundant photo opportunities.
Take care,
Rachael Katz – Co-Owner, KatzEye™ Optics
©2009-2013 KatzEye™ Optics Page 5 Revised: November 26, 2013
©2009-2013 KatzEye™ Optics Page 6 Revised: November 26, 2013
Addendum A: Screen Alignment & Focus Calibration
Screen Alignment
Because of the high precision manufacturing of the KatzEye™ focusing screen, the AF lights
should align well to the prisms and markings of the KatzEye™ focusing screen with no special
procedures. However, because of parallax, the position of your eye in the viewfinder can shift
the apparent alignment considerably. So before concluding there is an alignment problem,
move the camera back and forth slightly in front of your eye to be certain your eye is properly
centered in the viewfinder.
The alignment should be close without any special procedure, as long as the screen is
installed correctly. If the alignment appears very far off, it is recommended to check for correct
installation before proceeding. It also bears repeating that the apparent alignment can shift
substantially based on the position of your eye in the viewfinder, so you might want to move
your eye around a bit to be sure that there is actually a discrepancy. Also, bear in mind that
the alignment of the AF lights will not affect the focusing accuracy in any way. However, if it is
determined that there is an alignment discrepancy, the design of the camera does allow the
screen to be shifted slightly in its frame. It can only change the alignment a small amount; but
if you see a misalignment that is troubling, it is possible to move the screen to achieve perfect
alignment. It is not necessary, nor desirable, to remove the focusing screen to perform the
alignment. Simply unlatch the retainer, give the camera a gentle nudge, and re-latch the
retainer.
Please note that because of the optics of the pentaprism, left/right motion of the screen is
reversed; in other words, if the prism appears too far to the right, it will actually need to move
to the right to correct the alignment. And if it appears too far to the left, it will need to move to
the left. Vertical alignment is not readily adjustable. The alignment of the AF lights to the
prism will not affect the accuracy of the focusing functions in any way; so once the alignment is
close enough to be visually acceptable, the process is complete.
Calibration
The KatzEye™ focusing screen will maintain the exact calibration set by the factory, provided it
is correctly installed, and no special calibration procedures are required. If it is believed that
there is a calibration problem, users are strongly advised to first check for correct installation of
the focusing screen. If correct installation has been confirmed and there still appears to be a
calibration problem, please contact KatzEye™ Optics technical support for assistance.
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