1.fixed square stage with detachable or built in graduated mechanical stage. 2. Dust proof triple revolving nose piece 3. Focusing by coarse and fine adjustment with scale. 4. Movable abbe type n.a. 1.25 condenser with iris diaphragm & swing out filter holder 5.illumination by plano concave mirror in fork mount. Laboratory & medical microscope (inclined) objectives 5x & 10x [huygenian] x10 & 40 sl & 100