Nikon VBA23001 Repair Manual page 211

Items
AF accuracy
Yaw
Pitch
Block Def amount
AF-assist illuminator
Lighting level
AE accuracy
Exposure on image
Shutter accuracy
Speed accuracy
Dispersion
Shutter curtain speed
Shutter curtain bound
Synchronization
Judgment standard
Center：± 4 mrad
Others: ± 10 mrad
Center：± 5 mrad
Others: ± 11 mrad
Others than Side: 0 ± 50 μm
Side: 0 ± 75 μm
Range from EV5.2 to 6.2
1/4000 ※：0.2±0.65EV
Speed at less than 1/4000 ～ 1/2000 or More：± 0.65EV
Lower SPeed at less than 1/2000:±0.5EV
Dispersion: 0.6 EV or less
Difference in AE mode : 0.6 EV or less
Difference in Metering mode ）: 0.3 E Vor less
Speed at more than 1/2000 :±0.55EV
"1/2000" sec：± 0.35 EV
From "(1/2000)" to 30 sec.: ± 0.25 EV
From "1/4000" to "(1/2000)" sec : 0.4 EV or less
From "1/2000" to "(1/1000)" sec : 0.3 EV or less
From "1/1000" to "30" sec.: 0.25 EV or less
Both front and rear curtains (up-down 16.4 mm or less):
approx. 3.8 ms
Black/white bound (within frame): None
Timelag: : From "- 0.05" to "0.5" ms
- R2 ･ D90 -
INC
VBA23001-R.3762.A
Remarks
PC
Special tool
Brightness box
AF50/1.4D
Brightness box
AF50/1.4D（∞）
Shutter SpeedTestr
Shutter speed tester