TNJ-200 upright metallographic microscope：

The TNJ-200 series upright metallographic microscope is suitable for use in schools, scientific research, factories, and other departments. This instrument is mainly used for microscopic observation of opaque objects. It is equipped with a falling illumination device, a long-distance flat field achromatic objective lens (without a cover glass), a large field eyepiece, and a built-in polarizing observation device. It has the characteristics of clear images, good contrast, and easy operation. It is an ideal instrument for research in metallurgy, mineralogy, precision engineering, electronics, and other fields.

TNJ-200 upright metallographic microscope
Performance characteristics:
Equipped with a large field eyepiece and a long-distance flat field achromatic objective lens (without cover glass), the field of view is large and clear.
Coarse micro motion coaxial focusing mechanism, adjustable coarse motion elasticity, with limit locking device, micro motion grid value: 2 μ m.
6V 20W halogen lamp with adjustable brightness.
Three lens barrel, can freely switch between normal observation and polarized observation, and can perform 100% transparent photography.

TNJ-200 upright metallographic microscope
Standard configuration