To illuminate what you are looking at or to give enough light to see through something you are looking at.
Adjustment knobs are used to focus light in a light microscope.
Light microscope cannot be used. An electron microscope houl b used
The lens is the object used to focus light in a light microscope. The lens in a light microscope is typically found within the objective lens or the eyepiece, and it helps to magnify the image of the specimen.
A light microscope
A compound light microscope uses visible light to illuminate and magnify samples. This type of microscope is commonly used in laboratories and educational settings for studying biological specimens and other transparent samples.
a light microscope
Adjustment knobs are used to focus light in a light microscope.
Lens
A light microscope
The mirror used to reflect light in a microscope is called the concave mirror. This mirror is located beneath the stage of the microscope and directs light up through the specimen for viewing.
a compound light microscope
A fluorescence microscope is used to observe a specimen that emits light when illuminated with ultraviolet light. This type of microscope is equipped with filters that allow it to capture the emitted light while blocking out the excitation light, resulting in fluorescent images of the specimen.