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Carl Zeiss HAL 100 W halogen illuminator Axiovert 200
2-22 B 40-080 e 03/01
2.12.4 Fine alignment of halogen
illuminator
Fine alignment requires the diffusion disk to be
removed:
• Loosen clamping screw of HAL 100 W (2-28/1)
and remove the illuminator from the carrier for
transmitted-light illumination.
• Turn diffusion disk (2-28/2) out of the carrier
manually (anti-clockwise). Use the projections
(2-28/3) on the mount of the diffusion disk to
hold the component.
• Attach HAL 100 W and tighten the clamping
screw.
• Remove any swung-in filter from the beam
path.
• Use objective ≤ 40x to focus on the specimen and search for an empty object spot.
• Remove eyepiece and use adjusting screws (2-26/4 and 5) to center the lamp coil and its reflected
image in the pupil image.
• Use adjusting screws (2-26/3) to optimize the homogeneous illumination of the pupil image.
• Remove HAL 100 W after conclusion of the alignment.
• Screw diffusion disk into the carrier again manually.
• Attach HAL 100 W and swing in available filters again.
Fig. 2-28 Changing the diffusion disk
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