Sony SAL35F14G service manual Projective Resolving Power Check

Page 57

Ver 1.1 2007.02

4-3. PROJECTIVE RESOLVING POWER CHECK

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	Distance (m)
f (mm)

35	1.4

Table 4-3-1

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.

Incorporate of the lenses

according to the checking focal-length (f).

Fixed lever

Lens

Heat-absorbing filter

Chart

Chart

Filament

Filament

f=18 to 35 mm

f=100 to 200 mm

Fixed lever

Lid

Chart

Chart

Filament

Filament

f=35 to 100 mm

f=200 to 300 mm

Lens test projector

Fig.4-3-1

SAL35F14G (1.4/35G) (35mm F1.4G)

4-18

Image 57

Contents Service Note Repair Parts List Specifications DisassemblySpecifications Table of Contents Service Note Safety CHECK-OUT Aperture Trouble TroubleshootingFocus trouble Function NG Position NG Focus TroubleDisassembly Exploded View Ornamental Ring Block Outer Tube and Joint Tube Fixed Tube Block and Distance Control Tube Ornamental Ring Block and Focus Hold Button Base GROUP, 2 Group and 3 Group Lens Block HELP01 HelpHELP02 HELP03 HELP05 HELP04HELP07 HELP06HELP08 HELP09HELP10 HELP11 HELP12 HELP13 G7 G8 G9 G10 HELP14HELP15 HELP16 HELP17 HELP18 HELP19 HELP21 HELP20HELP23 HELP22Exploded Views Repair Parts ListLens Mount Riveting Block and Light Inter Ception Tube Outer Tube and Joint Tube 161 163 162 164 165 151 152 154 155 153 156 157 158 159 160 161202 203 209 208 204 205 212 213 211 253 255 Ref. No.60 Ref. No.73Ref. No.110 Checking supplied accessories Other accessories Supplied AccessoriesPreparations List of Service Tools and EquipmentsChart Mm collimator Lens Adjustment Program ActuatorChecker Download of PC card setup file InstaCal.exeEquipment used SAL35F14G 1.4/35G 35mm F1.4G Setup of PC Card SAL35F14G 1.4/35G 35mm F1.4G SAL35F14G 1.4/35G 35mm F1.4G Confirmation of PC card setting Startup of Lens Adjustment Program ActuatorChecker.exe Finished Inspection JIG Lens EquipmentInitial Setting of ActuatorChecker Model Aperture Diameter CHECK/ADJUSTMENT Aperture Diameter CheckPreparations Checking of Image Checking Method SpecificationAperture Diameter Adjustment Adjusting Method Projective Resolving Power Check Plane mirror Number of the smallest pitched lines Flange Back f’F Check Flange Back f’F CHECK/ADJUSTMENTFrange Back f’F Check Optical Axis AdjustmentOver Infinity Infinity End Flange Back f’F Adjustment Focus-shift mm = 0 to +0.15 Perform the 4-9. Write dSB Click ROM Data Lens ROM CheckCase of error display in the ROM Data Focus Brush Position Check Search Focus Adjustment Point Focus Brush Position CHECK/ADJUSTMENTCase of error display in the Search Focus Adjustment Point Click the Focus Adjustment Point Focus Brush Position Check Focus Adjustment PointCase of error display in the Focus Adjustment Point Click the Focus Pattern Focus Brush Pattern CheckFocus Brush PatternCase of error display in the Focus Pattern near position Case of error display in the Focus Pattern infinity position Click the Focus Hold Button Focus Hold Button Check Focus Hold ButtonCase of error display in the Focus Hold Button Write dSB Case of error in the Write dSB Application of printing Switching aReversing the screens displayed once Finding a textVer Contents Rev Issued