Nikon NAMC Instructions

Nikon NAMC Instructions

Modulation contrast for ti series

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• When using this system, be sure to carefully read all precautions in the instruction manual supplied with the microscope.
• NAMC: Nikon Advanced Modulation Contrast

Names of Parts

(for S Plan FLOUR only)
(40x only for Achromat)
S Plan FLOUR ELWD
20x (NAMC2)
40x (NAMC3)

Notes on Usage

• The name of the condenser lens used in combination with the NAMC module is shown on the top of the module. Use NAMC
or LWD condenser lens. If you use a condenser lens other than the one indicated on the NAMC module being used, the
modulation contrast effect cannot be obtained.
• NAMC module and NAMC objectives are to be used in specific pairs. Always make sure that the NAMC module and NAMC
objective have the same "NAMC code" (NAMC1, NAMC2 or NAMC3). The correct image will not be obtained if the NAMC
codes are different.
• NAMC module is equipped with optical elements made of resin. To clean the NAMC module covered with dust or the like,
lightly blow it off with an air blower. Do not use lens cleaning tissue that could damage the optical elements. Also, avoid using
solvents that may damage the optical elements. Make sure to keep any dirt from coming into contact with the optical
elements during assembly, and especially never to touch them with bare hands.

Assembly

NAMC module
(Set inside the system
condenser turret)
NAMC (Modulation Contrast)
for Ti Series Instructions
NAMC objective
Clamp ring
Modulator ring
Correction ring
10x (NAMC1)
20x (NAMC2)
40x (NAMC3)
Condenser label
Slit aperture centering screws
Achromat
Figure 1
Polarizing filter
(Screwed into the top
of condenser mount)
NAMC objective
(Screwed into the
revolving nosepiece)
Figure 2
M519E
NAMC module
NAMC1, NAMC2, NAMC3
Slit aperture rotation gear
Polarizing filter
Assemble the microscope.
(Refer to the instruction manual supplied with the
microscope for the assembly.)
09.2.NF.1
*M519EN01*

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Summary of Contents for Nikon NAMC

  • Page 1 Notes on Usage • The name of the condenser lens used in combination with the NAMC module is shown on the top of the module. Use NAMC or LWD condenser lens. If you use a condenser lens other than the one indicated on the NAMC module being used, the modulation contrast effect cannot be obtained.
  • Page 2 Microscopy Hint: Correctly align the slit aperture on the NAMC module to a pattern on the focusing surface of the NAMC objective (the modulator). 1) Adjust the microscope for the bright-field microscopy. (See the instruction manual supplied with the microscope.) 2) Bring the NAMC 10x objective into the optical path.
  • Page 3 Figure 6 12) Bring NAMC 20x objective into the optical path. Rotate the condenser turret to the position “NAMC 2”. Perform the above steps 4) to 11) to set the slit aperture image in correct position. 13) Perform the same adjustments for the NAMC 40x objective and the NAMC 3 module.
  • Page 4 See Figure 8 for the principle of the modulation contrast. There is a slit diaphragm on the condenser aperture, and modulator inside the NAMC objective. (The modulator is a density filter placed at the exit pupil of the Slit aperture diaphragm NAMC objective.

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