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Advanced Condenser Systems: Achromatic Condensers

Tilia (Basswood) Tree Stem

The digital images presented below were made with a stained thin section of a stem from a basswood tree (Tilia) stained using a quadruple stain and covered with a coverslip. The image on top was recorded with a stock QX3 microscope straight out of the box. On the bottom is an image recorded with the QX3 body with the assistance of an achromatic substage condenser (Nikon) using the same components in the optical pathway.

The American Basswood is one of the most treasured ornamental trees, having a tall, straight trunk and rounded crown. In the summer, basswood flowers bloom and fill the air with their fragrance as they attract bees to aid in pollination. Basswood is a hardwood that is well suited for growth in rich and fertile soils of the Northeast United States.

Stained Tilia (Basswood) Tree Stem
QX3 with mixing chamber (stock - magnification 200x)

QX3 with achromatic condenser (200x magnification)

The upper photomicrograph is a digital image from a stock QX3 microscope using auxiliary illumination provided by a fiber optic light pipe through a hole drilled into the mixing chamber. The image on the bottom was recorded using the QX3 microscope body and a Nikon achromatic substage condenser with low numerical aperture.

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