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4-4.
PROJECTIVE RESOLVING POWER CHECK/ADJUSTMENT
4-4-1. Projective Resolving Power Adjustment
Equipment
• Lens Test Projector and Variable Transformer (Output voltage: AC 100 V)
Note:
Connect the variable transformer (Output voltage: AC 100 V) to the lens test projector.
• A-mount Attachment
• Screen (Art paper)
• Tape Measure
• Plane Mirror (For SLRs)
1. Preparations
Note:
Check the projective resolving power of the checking lens at the following focal-length and distance.
Focal-length f (mm)
16
50
105
Table 4-4-1
1)
Perform the following steps (1) to (3), and incorporate the internal lenses of the lens test projector according to the checking focal-
length.
(1) Open the lid of the lens test projector.
(2) Pull up and turn the fixed levers on the right and left sides of the lens test projector.
(3) Remove or insert the lens.
Note:
Be sure to have the right position and direction of the lens.
Lens test projector
SAL16105 (DT 3.5-5.6/16-105) (DT 16-105mm F3.5-5.6)
distance (m)
1.07
3.1
4
Fixed lever
Lens
Fixed lever
Lid
Incorporate of the lenses
according to the checking focal-length (f).
Heat-absorbing filter
Chart
f=18 to 35 mm
Chart
f=35 to 100 mm
Fig.4-4-1
4-21
Chart
Filament
Filament
f=100 to 200 mm
Chart
Filament
Filament
f=200 to 300 mm

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