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Aspheric lens surfaces are used to correct spherical aberration (where the converging light from a lens does not have a common focal point ...

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Each microscope objective is itself a complex assembly of lenses, and besides contributing to the magnification, it is the objective lens which determines the ...

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The new MAGNIFY series is modern, bold, and functional. The lens with a toric curvature reduces distortion to the minimum and offers an unrestricted field ...

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To disperse light into its spectrum Sir. Isaac Newton used a prism. However, in recent years the diffraction grating has replaced the prism for this purpose ...

Does Walgreens sell over-the-counter UTI medicine? At Walgreens, you can find options for detecting urinary tract infections (UTIs) and for easing symptoms. UTI ...

Because fluorescence is observed as luminosity on a dark background, specific constituents of the specimen can be seen even in minute amounts. Therefore, ...

A pellicle is just the state of the surface of your protein being slightly dry and tacky. It helps smoke adhere better than if the surface was ...