Ccd Camera - Hitachi HF2000 TEM Operation Manual

11. Photographing for film
Usage of auto exposure time set mode
Time mode provides a function for automatically setting the exposure time so as to obtain optimum
photographic density on a film in response to a determined brightness.
•
Set the exposure time setting knob at AUTO.
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Press the PHOTO key to start film exposure.
Manual mode
•
Set a desired exposure time by turning the EXPOSURE TIME control knob. The set exposure time is
displayed at the bottom right on the CRT.
•
Optimum exposure time lines for
Bright field image: 1 to 4 seconds
Dark field image: 12 to 30 seconds
Selected area diffraction pattern: 0.5 to 1 seconds
Nano beam diffraction pattern: 8 to 16 seconds
•
Press the PHOTO key to start recording

12. CCD camera

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Turn on the power to TV monitor and control.
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Open the beam by turning Brightness clockwise. Brightness will become weaker.
Note: Do not use CCD camera for diffraction pattern, low-magnification image and direct beam.
•
Cover the viewing window.
•
Press [STOP] and [PHOTO].
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