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Jayda Quigley

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Q: How many lenses are used to focus an object?
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Related questions

What type of lenses are used to enlarge an object?

Concave and convex lenses both enlarge an object to a certain extend.


What is a hand lenses?

Its a tool used to magnify an object


What is a condenser lens used for?

A Condenser Lens is a device made up of a series of lenses and sometimes a mirror, that is used to gather and 'focus' light to direct it onto an object through a different projection lens.


Why is a concave mirror used in microscopes instead of convex lenses?

To focus AND reflect light through the specimen slide to the lenses.


Why do microscopes have lenses?

Since microscopes are instruments to see and observe very small objects which are not visible to naked eye, it needs to focus on them. The lenses are used for this purpose of focusing. If there will be no lens in the microscope then it will not be able to zoom and focus.


Does a camera have 2 sets of lenses that are used to form and enlarge an image?

Some cameras will have two sets of lenses, such as ones with a telephoto lens. These use two lenses to focus on and enlarge images.


How two converging lenses are used to view an object on a compound microscope?

The ocular and objectives


What object is used to focus light in a microscope?

Lens


What is the function of the object lens in the microscope?

It is an optical instrument that gathers light from the object being observed and focus the light rays to produce a real image. They are also called objectives. In microscopes, lenses are found at the bottom near the sample. They are mainly used at telescopes, microscopes and cameras.


Which object is used to focus light in a light microscope?

Adjustment knobs are used to focus light in a light microscope.


Which company belongs the trademark Fujinon to?

Fujinon belongs to the Fuji Film company. Fujinon is used for optical lenses of various sizes and dimensions. These could include soft focus lenses, enlarging lenses, etc.


What is the objective lens?

In an optical instrument, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be single lenses or mirrors, or combinations of several optical elements. They are used in microscopes, telescopes, cameras, slide projectors, CD players and many other optical instruments. Objectives are also called object lenses, object glasses, or objective glasses.