Sony XC-ST50 Podręcznik techniczny - Strona 14

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XC-ST50/50CE

XC-ST30/30CE

FRAME IMAGE OUTPUT WITH STROBE LIGHT

A full frame image with vertical resolution of 485 lines (XC-ST50/ST30) or 575 lines (XC-ST50CE/ST30CE) can be

obtained with a strobe light by firing the strobe when the exposure time of the two fields overlap.

• Timing and conditions

Continuous signal: 15.734 kHz (XC-ST50/ST30), 15.625 kHz (XC-ST50CE/30CE) Allowable frequency value ±1%

EXT HD

EXT VD

VD: XC-ST50/ST30 (1/60 sec), XC-ST50CE/30CE (1/50 sec) Four or more VD pulses are required.

Strobe light

Exposure time for Odd field

Exposure time for Even field

Video output

Odd and even fields are determined by the phase of the EXT HD/VD signal input from external equipment.

Avoid lighting the scene during the light-emitting inhibit zone (see Note below). (The field is transfered to the

storage area of the CCD, so it can be read out.)

Note

: For best performance, it is recommended not to use a flash between VD and VD + 10H (XC-ST50/ST30)/

16H (XC-ST50CE/ST30CE).

Odd image

Invalid image

Even image

Valid frame image