A atest improved modelfor accurate measurement of micro structures, solid state light control with digital intensity meter and special pointer system . Having 200mm graduated screen rotatable 360 with graduation around the screen and vernier reading to 0.1 degree. Equipped with low voltage high intensity 100 watts Halogen lamp and imported fresenel lens behind the screen for uniform projection throughout the screen with achromatic objectives as follows:

Achromat Objectives 5x, 1 Ox, 20x, 40x, 60x, 5 Nos.
Projection Range 100x to 1200x
(a) With Indian Optics
(b) With optics having imported lenses. Extrochorges for stage