Compur-Synchro - Schneider Kreuznach Angulon 90/2.8
shutter/lens/camera
9-May-99
date
shutter speed
decimal
variance
5 exposure average
+/-%
accuracy
+/-
f Stop
+ 1/2 f
1.41421
1.0
1.0000
actual
0.98360
98%
-0
- 1/6 f
0.89090
+ 1/2 f
0.70711
1/2
0.5000
actual
0.51112
102%
0
- 1/6 f
0.44545
+ 1/2 f
0.28284
1/5 (1/4)
0.2500
actual
0.24080
96%
-0
- 1/6 f
0.17882
+ 1/2 f
0.14142
1/10
0.1000
actual
0.12460
125%
1/4
- 1/6 f
0.08909
+ 1/2 f
0.05657
1/25
0.0400
actual
0.04296
107%
0
- 1/6 f
0.03564
+ 1/2 f
0.02828
1/50
0.0200
actual
0.02238
112%
0
- 1/6 f
0.01782
+ 1/2 f
0.01414
1/100
0.0100
actual
0.01426
143%
1/2
- 1/6 f
0.00891
+ 1/2 f
0.00565
1/250
0.0040
actual
0.00538
135%
1/3
- 1/6 f
0.00356
+ 1/2 f
0.00283
1/500
0.0020
actual
0.00304
152%
1/2
- 1/6 f
0.00224
Notes:
- Synchro-Compur Shutter
with Linhof Angulon 90/6.8 lens, M & X Sync - Installed on Linhof Tech 3 Lensboard
- B Tested OK-
- Range - f6.8 to f32
- Cleaned and lubricated May 9, 1999
- Tested with Calumet Shutter tester
