• Infinity
• Phase difference observation kit contents: PHASE DIFFERENCE PLATE #2, Centering telescope, for phase difference objective lens 20x, for phase difference objective lens 100x
• Model number: SL-700-DC2
• Achieves uniform illumination by projecting light source image to sample surface appropriately by field diaphragm and condenser lens.
• Use dark field observation plate to detect fine structures and fine motions.
• Use phase difference observation kit to detect transparent sample, which makes it look like relief pattern.
