Pearl CM-127 Manual de usuario
Instruction Manual
for the
CM-127
CM-127TV
Centering Microscopes
1
Thank you for purchasing one of our CM-127 Centering microscopes.
To get full and long lasting performance, and to enjoy all the functions of this equipment, use the
microscope as described in this manual.
Features of the Centering Microscope
The Centering microscope is used to evaluate optical lenses and plate materials. To evaluate
eccentricity, manually rotate the object to measure to allow you to evaluate the amount of eccentricity
by the amount of tilt in the transmitted light beam. It can find the center of compound lenses, and
measure the amount of deviation and direction from the center with great precision, after multiple
lenses are attached firmly on their holders. It can be used for checking optional lenses and plates on
production lines.
This microscope employs high brightness LEDs as its light source. They consume about 1/15
th
the
power as an ordinary tungsten filament lamp.
Table of Contents
Features of the Centering Microscope .......................................................... 1
1. Configuration and Name of Each Part ........................................................... 2
2. Assembling and Preparation before Use........................................................ 5
3. How to Use.................................................................................................... 6
4. Lens Adapter ............................................................................................... 14
5. How to Adjust the Light Level....................................................................... 15
6. Reasons Why Lenses with Smaller Focal Distances Cannot Be Measured . 16
7. Measure to Take If the Fine Adjustment Handle Resistance is Too Loose....１7
8. Specifications .............................................................................................. 18
2
1. Configuration and Name of Each Part
1-1. Configuration
1) Main housing
CM-127
6) BNC coaxial cable (TV)
5) 12-pin camera cable (TV) 7) Camera adaptor (TV)
CM-127TV
2) AC adapter
3) Extension cord
4) Lens adapter
3
1) Main housing CM-127 / CM-127TV
2) AC adapter AC adapter
3) Extension cord With an ON/OFF switch
4) Lens adapter
5) Camera cable 12 pin, round connector (CM-127TV)
6) Coaxial cable BNC coaxial cable (CM-127TV)
7) Camera adapter (CM-127TV)
8) Monitor 9 inch, black and white
9) Power cable
10) Instruction manual
10) Instruction manual
9) Power cable (TV)
8) Monitor (TV)
4
1-2. Name of each part
Stand
Objective lens
Lens holder
Fine adjustment
handle
Arm
Collimating lens
adjustment ring
Lock knob
Base
Eyepiece
Mirror barrel clamp
Light source
Stage fine
adjustment knob
Stage
CM-127TV
CCD camera
Relay lens
5
2. Assembling and Preparation before Use
Connect each cable.
(1) CM-127
(2) CM-127TV
Connect to a wall
outlet
VIDEO 1
CAMERA
VIDEO IN
Connect to a wall outlet
BNC coaxial cable
Camera cable
Insert the AC adapter
jack into the light
source
Plug the AC adapter into the
extension cord with a switch.
Plug into a wall
outlet.
Turn the light source on/off
using the switch on the
extension cord.
6
3. How to Use
(1) Turn on the extension cord switch to turn on the light source.
(2) Turn on the power to the camera adapter and TV monitor to make the system ready for
capturing CCD camera images. (CM-127TV only)
(3) Install a lens in the lens holder and adjust its position so that it will be in the beam of light from
the microscope’s light source.
Extension cord
Turn on the switch
AC adapter
Lens to measure
Turn on the power switches
7
(4) Look through the eyepiece of the microscope and adjust the eyepiece until you can see the
eyepiece scale clearly. (CM-127 only)
(5) Turn the collimating lens adjustment ring left and right to find the middle of the range. Leave the
ring in that position.
* If the focal distance of the lens you want to measure is less than 100 mm, turning this ring to the
right may improve the accuracy.
* If the focal distance of the lens you want to measure is longer, turn this ring to the left.
Collimating lens
adjustment ring
Negative direction
Positive
direction
8
(6) Loosen the lock knob and then turn the fine adjustment handle to the approximate position for
the microscope’s objective lens, based on the lens you want to measure.
(7) While looking through the eyepiece (or the TV monitor in the case of the CM-127TV), turn the
fine adjustment handle to move the microscope up.
Move the microscope down
Fine adjustment handle
Lock knob
Move the microscope up.
9
(8) When you can see the crosshairs, tighten the lock knob to fix the position of the microscope.
*1: If you cannot see the crosshair image even after moving the microscope all the way up, lower
the microscope and loosen the barrel. Then raise the barrel.
After you can see the crosshairs, secure the barrel and then adjust the focus again by turning
the fine adjustment handle.
*2: If you cannot see the crosshair image after following the procedures in *1 above, turn the
collimating adjustment ring left or right. Then start again at step (6) above.
Note: Turning the fine adjustment handle while the lock knob is tightened will damage the main
housing.
Lift the barrel up
Loosen the barrel
clamp
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