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8.0 Specifications
8.1 Above-Stage Variant with fixed objective and U-AAC condenser
Figure BB: Above-stage variant with fixed objective and U-AAC condenser
Notes: The figures shows a single “large” (75 mm parfocal distance) objective screwed directly into the optical
block, but other combinations are possible, including a short (e.g. 45 mm parfocal) objective coupled to a 30
mm extension adapter (provided), or even connected directly to the optical block. The vertical position of the
optical block can be adjusted using the bracket and M5 fixing bolts to suit the objective. If the optical block is
lowered too far, a different set of telescoping tubes may be required above the optical block. A manually-
operated sliding objective changer is available that fits to the lower surface of the optical block. In addition, the
substage condenser and illumination optics block can be removed for in vivo work. If this option is used, the
experiment height must be dropped down by 6 mm to 213 mm.
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