A joint at which the arm is attached to the pillar of the microscope is called inclination joint. It is used for tilting the microscope.

Which part makes the tilting of the microscope possible?

Individual legs on the positioning plates are adjustable to allow tilting of the microscope, and to provide a high degree of precision with respect to instrument height and viewing angle.

What is tilt joint in microscope?

Inclination Joint: Where the microscope arm connects to the microscope base, there may be a pin. If so, you can place one hand on the base and with the other hand grab the arm and rotate it back. It will tilt your microscope back for more comfortable viewing.