Taken 11-Feb-08
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Photo Info

Dimensions750 x 607
Original file size130 KB
Image typeJPEG
Color spaceUnknown
Date taken12-Feb-08 00:01
Date modified12-Feb-08 06:49
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS 40D
Focal length60 mm
Exposure1/50 at f/5.6
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 400
09-MT-24EX-A=1-16_B=1-04-IMG_3858-C1-Small

09-MT-24EX-A=1-16_B=1-04-IMG_3858-C1-Small

Flash pulse waveform. MT-24EX flash, set to ratio mode. Head A = 1/16, Head B = 1/4. Both heads illuminating sensor. Note peak while both heads are firing followed by drop off as Head A extinguishes leaving a lower brightness while Head B continues to emit.