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4-5
SAL50F14Z (Planar 1,4/50 ZA) (Planar T*50mm F1.4 ZA SSM)
5) Apply adhesive bond (B-10) to the screws shown in Fig. 4-2-12.
Apply adhesive
bond (B-10)
bond (B-10)
Apply adhesive
bond (B-10)
bond (B-10)
Apply adhesive
bond (B-10)
bond (B-10)
Apply adhesive
bond (B-10)
bond (B-10)
Fig.
4-2-12
6) Assemble the lens completely.
7) Perform the 4-2-1. Aperture Diameter Check and repeat steps 1) to 4) until the aperture tolerance meets the specification.
7) Perform the 4-2-1. Aperture Diameter Check and repeat steps 1) to 4) until the aperture tolerance meets the specification.
4-3. OPTICAL AXIS CHECK/ADJUSTMENT
Setting of the Flange Back (f F) measuring instrument.
Equipment
• 1000 mm Collimator
• Flange Back Tester
• A-mount Attachment
• Flange Back Gauge (43.50 mm)
• 1000 mm Collimator
• Flange Back Tester
• A-mount Attachment
• Flange Back Gauge (43.50 mm)
1. Preparations
1) Set the equipment as shown in the Fig. 4-3-1.
Flange back gauge (43.50 mm)
A-mount attachment
Objective lens (10x)
Dial Gauge (Min. scale: 0.01 mm)
Scale ring
Eyepiece lens (7x)
Eyepiece ring
Fig.
4-3-1
2) Looking through the eyepiece lens, turn the eyepiece ring of the flange back tester so that cross line or scale in the view is the sharpest.
3) Attach the flange back gauge (43.50 mm) securely to the A-mount attachment and hold them together.
4) Turn the focusing knob of the flange back tester so that fine scratches on the flange back gauge (43.50 mm) is the sharpest.
3) Attach the flange back gauge (43.50 mm) securely to the A-mount attachment and hold them together.
4) Turn the focusing knob of the flange back tester so that fine scratches on the flange back gauge (43.50 mm) is the sharpest.
Note:
Turn the knob in the direction of the arrow of Fig. 4-3-2 for correct reading.
Focusing knob
Focus on fine lines on the surface.
Always turn the knob in the arrow
direction for correct reading.
direction for correct reading.
Fig.
4-3-2
5) Turn the scale ring of the dial gauge until the long pointer indicates 0 .
Note:
This position is the flange back (f F) = 43.50 mm.
Memorize the position of short-pointer.
4-3-1. Optical Axis Check
1) Attach the checking lens to the flange back tester, and set the 1000 mm collimator.
1000 mm collimator
Checking lens
Fig.
4-3-3
2) Set the focus ring of the checking lens to
∞
(infinity) index or near
∞
(infinity) and adjust the optical axis, observing the microscope
so that the chart can be seen in the center.
3) Turn the focusing knob of the flange back tester until the chart image comes into focus.
Also check the optical axis aligns with the chart center. (Refer to Fig. 4-3-4.)
Note:
Note:
Figure shows example. The cause depends on individual lens.
Optical Alignment
Best alignment
Best alignment
Incorrect aligned
e.g. As the focusing knob is turned, the chart may appear blurry as illustrated.
The cause depends on individual lens.
e.g. As the focusing knob is turned, the chart may appear blurry as illustrated.
The cause depends on individual lens.
Fig.
4-3-4
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