Hamamatsu ORCA-Flash4.0 LT3, Instruction Manual

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ORCA-Flash4.0 LT3 Digital CMOS camera C11440-42U40 Instruction manual_Ver.1.1
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9-2-4 Frame rate calculation
(1) Standard scan
Vn = Number of vertical line (at the center area of the image sensor)
Exp1 = 3.021 ms to 10 s (input in units of seconds)
1H = 32.4812 × 10 -6
Operation modes Calculation formula Horizontal Vertical Frame rate (fps)
Free running mode 1/(Vn/2×1H) 2048 2048 30
1024 60
512 120
256 240
128 481
64 962
8 7696
External trigger mode
(Edge trigger / Level trigger)
1/(Vn/2×1H+Exp1+10×1H) 2048 2048 27
1024 50
512 85
256 133
128 185
64 228
8 287
External trigger mode
(Synchronous readout trigger)
1/(Vn/2×1H+18×1H) 2048 2048 29
1024 58
512 112
256 210
128 375
64 615
8 1399
Note
• The calculation formula and the frame rate value of Start trigger mode (External trigger
mode) are same as Free running mode. About this mode, refer to 9-2-6-2-4 “Start trigger
mode”.