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Oct 27, 2024 · There are three structural parts of the microscope i.e. head, arm, and base. Head – The head is a cylindrical metallic tube that holds the eyepiece lens at one end and connects to the nose piece at other end. It is also called a body tube or eyepiece tube. It connects the eyepiece lens to the objective lens.
- Eyepiece: The lens the viewer looks through to see the specimen. The eyepiece usually contains a 10X or 15X power lens.
- Diopter Adjustment: Useful as a means to change focus on one eyepiece so as to correct for any difference in vision between your two eyes.
- Body tube (Head): The body tube connects the eyepiece to the objective lenses.
- Arm: The arm connects the body tube to the base of the microscope.
Coarse adjustment knob. Large knob used for focusing the image under low-power (general focusing). Fine adjustment knob. Smaller knob used for focusing the image with the medium- and high-power objectives (fine-tuning). Diaphragm. Controls the amount of light that passes through the specimen. Light source.
Trustworthy glue and (a) If you have access to a workshop: miter box and thin-bladed saw, drill press or electric drill with a sturdy vise to hold it, drill bit to make a ¾" hole, cylindrical rasp or fine grinding stone. (b) If you have to do the job by hand: thin-bladed scalpel, razor blade in safety holder, newspaper to roll tightly to fit inside the bottom of the bottle, masking tape.
- Eyepiece – The eyepiece contains the ocular lens. It’s found at the top of the microscope. Its standard magnification is 10X with an optional eyepiece having magnifications from 5X – 30X.
- Eyepiece tube – This is the eyepiece holder. It carries the eyepiece just above the objective lens. In some microscopes such as the binoculars, the eyepiece tube is flexible and can be rotated for maximum visualization, for variance in distance.
- Objective lenses – There are generally 3 or 4 objective lenses in a microscope. They almost always consist of 4x, 10x, 40x and 100x powers. The objective lens gathers light from the specimen, magnifies the image of the specimen, and projects the magnified image into the body tube.
- Revolving Nose piece – also known as the revolving turret. Several objective lenses of varying magnification and numerical aperture are mounted on the revolving nosepiece.
Jun 1, 2014 · A microscope is a relatively simple (yet precision) instrument, and is deliberately designed with hands-on controls for manipulating both the sample and the optical path. Learning the names and functions of the various parts and controls is an essential prerequisite to making an informed purchase, then properly using the microscope.
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Recent Posts. The 16 core parts of a compound microscope are: Head (Body) Arm Base Eyepiece Eyepiece tube Objective lenses Revolving Nosepiece (Turret) Rack stop Coarse adjustment knobs Fine adjustment knobs Stage Stage clips Aperture Illuminator Condenser Diaphragm.
