When Do We Use the Oil Immersion Objective Lens

They are of 4x 10x 40x and 100x magnification power. The body has a lens tube with having an eyepiece at the top and an objective revolver having four objective lenses at the bottom.

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It came with a soft plastic cover to keep the dust of the microscope.

. In practice however most oil. A microscope slide is a thin flat piece of glass typically 75 by 26 mm 3 by 1 inches and about 1 mm thick used to hold objects for examination under a microscopeTypically the object is mounted secured on the slide and then both are inserted together in the microscope for viewing. I bought the OMAX promotion set so mine came with a 2 boxes of 50 blank slides a box of 100 cover slips and 100 lens cleaning papers.

A majority of objectives in the magnification range between 60x and 100x and higher are designed for use with immersion oil. Objective lenses are four in number. The sine of half of this angle is 095.

If using a dry non-immersion objective the maximum NA of the objective will be 095 as air has a. This arrangement allows several slide-mounted objects to be quickly inserted and. By examining the numerical aperture equation presented above we find that the highest theoretical numerical aperture obtainable with common immersion oils is 151 when sin α 1.

If using an immersion objective with oil which has a refractive index of 152 the maximum NA of the objective will be 145. The lens with 100x objective power is also known as an oil immersion lens. The OMAX came with a small bottle of oil for the 100x oil immersion objective.

The OMAX included a power source.

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