Modifies a noun

• condenser: Adjust the focus of the substage condenser for maximum brightness of the central field of view.

• iris: I suspect that many beginning to take up microscopy might, understandably, use the substage iris control to reduce light intensity.

• diaphragm: The substage diaphragm was reduced to enhance diffraction colors.

• assembly: The Stand The stand supports the body tube and substage assembly, as well as the specimen.

• lamp: Switch on RHS lamp intensity Mirrors can be seen here that direct light from two substage lamps in bottom casing.

• mirror: A more striking advantage lies in the substage mirror.