Archive | Microscope

Polarisation Microscope: Useful notes on Polarisation Microscope! Polarisation microscope is quite similar to the interference microscope. In polarizing microscope, Nicol prisms of calcite were formerly added below the condenser or in the ocular. A simpler and cheaper system utilizes sheets of Polaroid film, or a sheet of polyvinyl alcohol stained with iodine and then stretched over gentle heat. Two rotatable [...]

Light Microscope : Main Parts of Light Microscope! It is a simple ordinary microscope which is most popularly used in biological studies. The first light microscope was made by Janssen and Hans in 1590. The light microscope can magnify objects upto 2000 times. Its limits of resolution are about 0.2 µ, about one-half the wavelength of the light used. The [...]