Olympus IX2-ARCEVA - Manual (Page 6)

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. The aperture iris diaphragm for use in ordinary fluorescence observation is not provided. If it is required to use the aperture
iris diaphragm, replace the slit iris diaphragm unit of this system with the aperture iris diaphragm unit of the IX2-RFAL.
. When the IX2-RFAC, IX2-RFACA and a standard mirror unit are used in combination, it is required to readjust the centering
of the slit iris diaphragm unit because, otherwise, the contrast of the total reflection fluorescent light would fluctuate due
to variation in the illumination light projection positions between turret positions.
. The IX2-SFR right-hand knob stage is not recommended because the stage knobs will degrade the operability of the slit
iris diaphragm unit considerably. Instead, it is recommended to use the IX-SVL-2.
. When the IX2-RSPC right-side port adapter is used, some positions of the excitation filter slider would be unusable due
to interference with the camera. The following table shows the relationship between the camera size and unusable filter
positions.
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}The camera interference can be reduced by using the U-FWR filter wheel or a commercially available motorized filter
wheel.
Height from the center of
C-mount Depth from the center of
C-mount
Interference condition
Less than 27 mm None
27 mm to 45 mm exclusive Less than 34 mm None
34 mm to 70 mm exclusive Deepest (vacant) position is unusable.
70 mm or more The two deepest positions are unusable.
45 mm or more Less than 20 mm None
20 mm to 56 mm exclusive Deepest (vacant) position is unusable.
56 mm or more The two deepest positions are unusable.