Condenser : Sub-stage Abbe condenser of 1.25 N.A. focusable with rack and pinion; fitted with an iris diaphragm and filter holder (for blue filter) to facilitate optimum adjustment of light.
Finish : Grey or black durable acid resistant epoxycoated finish.
Nosepiece : Quadruple nosepiece with positive dick stops for precise and smooth alignment of objectives.
Eyepieces : Widefield Eyepiece (NWF 10X).
Illumination : Plano-concave mirror in adjustable fork mount.