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This is done by turning the knurled knob on the condensers illustrated in Figures 2-6. There is a small yellow arrow or index mark located on this knob that indicates the relative size of the aperture when compared to the linear gradation on the condenser housing.
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The condenser lenses have the most utility at higher magnification powers like 400X and above and microscopes that have condenser lenses will be able to render a sharper image than those without and the 400X and above range.
On upright microscopes, the condenser is located beneath the stage and serves to gather wavefronts from the microscope light source and concentrate them into a cone of light that illuminates the specimen with uniform intensity over the entire viewfield.
20 Δεκ 2023 · Microscope condensers are adjustable and allow for customized height and aperture settings based on the specimen and microscopy technique for optimal lighting conditions. Condensers contribute to enhanced resolution and contrast and reveal finer details of the microscopic specimen.
Most high quality microscopes include an Abbe condenser with an iris diaphragm. Combined, they control both the focus and quantity of light applied to the specimen. Condenser Focus Knob moves the condenser up or down to control the lighting focus on the specimen.
6 Μαΐ 2018 · Condenser and Diaphragm. Mirror (convex and concave mirror) Base. Pillars. Parts of Microscopein detail. A compound microscope has about 15 parts that assist in viewing with a naked eye, a sample holder, a magnifying lens, and a light source. For the convenience of study, we can divide them based on their purpose in the instrument like.
Condenser lens: This lens is situated below the stage. It is an important optical component of the compound microscope. It focuses light from the light source through the subject and into the objective lens. Its position can be adjusted by a knob on the right side of the microscope body below the stage (locate this knob).