Exposure Time

The exposure time values of 1/200, 1/500 and 1/1000 (also 1/2000 for IT) of a second are used to capture fast moving objects so that these can be played back sharply in slow motion. The value selected depends on the speed of the moving object.

Note

Increasing the exposure speed lowers the camera sensitivity proportionally. With IT cameras shorter exposure times increases smear effects proportionally.

The exposure selection also includes lighting control positions which can be used when shooting with lighting that is operating at a different frequency to the camera. There are two positions 50 Hz and 60 Hz. Each of these positions can be varied further in a range from -10 to +10.

To reduce flicker select the frequency closest to the frequency of the lights and then vary the lighting control in the system Install menu to obtain the best result.

EVR - Enhanced Vertical Resolution [IT]

This exposure mode on IT cameras is used to increase the vertical resolution especially for still pictures. The exposure time is set to 1/25 for PAL and 1/30 for NTSC.

Shooting

Operator's Manual LDK 5400 - Triax Adapter for LDK 100 Series

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Technicolor - Thomson 5400LDK manual Exposure Time, EVR Enhanced Vertical Resolution IT