Olympus DP74 Instructions Manual page 16

3. If the illumination used with the microscope is the fluorescent light ring illumination or the illumination driven by the
alternate current such as a phase control light intensity control method, etc., and also if the light intensity voltage
becomes higher and the exposure time becomes shorter when combining the microscope with this camera, the
following phenomena may be observed due to the flickering of the illumination light.
· Flickering of the displayed image
· Variation of exposure
· Image disturbance when acquiring the image with pixel shift
However, if the brightness can be adjusted by adjusting the illumination light level or attaching/detaching the
attenuation filter, these phenomena can be avoided by adjusting the exposure time to 1/50 s or longer. For details
such as the microscope model name which drives the illumination by the alternate current, etc., contact Olympus.
4. Performances in combination use of this product and non-Olympus microscopes have not been evaluated. Non-
Olympus microscopes and non-Olympus C-mount lenses can be used if they match a 1/1.2 inch or larger image
sensor and the lens projection length from the C-mount body attaching section is no more than 4.5 mm. However,
problems, such as shading, etc. may be observed due to optical adaptability.
5. If you narrow down the AS (aperture diaphragm), the spot flare may be noticeable. This flare becomes less
noticeable if you open the AS (aperture diaphragm).
6. When observing the specimen containing the high light intensity area, the flare may be noticeable in the low light
intensity area. To reduce the flare, open the AS (aperture diaphragm) or set the exposure darker.
7. If the specimen is moved during image acquisition in 3CMOS mode (5760 x 3600 / 2880 x 1800 / 1920 x 1200
pixels), the image may be disturbed.
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DP74