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8English
Exposure too short or too long
The camera will make automatic exposures as short as 1/60 second. If the microscope illumination is too bright, the camera will “beep” and the display will show:
Place a neutral density filter over the
microscope illuminator to increase the exposure time. Do not turn the light down, as this will cause a color shift with color film.
Automatic exposures can be as long as 161⁄2 minutes. If the light is too dim, the camera will “beep” and show:
Check that the light is turned up to the
brightest setting, and that the neutral density filter (if used) has been removed. If there still is not enough light, you must make a manual exposure.
Manual operation
Set the camera for manual mode. Press the shutter button to start the exposure, and watch the display as it shows the elapsed time. Press the button a second time to end the exposure.
Special exposure techniques
Exposure meter
The camera has a
Reciprocity correction
When set for Automatic mode, the camera will automatically adjust the exposure time to compensate for reciprocity failure. With Type 339 color film, it also adjusts the filtration. The camera contains a