The color corrected plan optical system design has corrected chromatic aberration on the base traditonal optical system, A significant development in optical performance and versatility. 
The color corrected plan optical system has been designed to fit different accessories according to customers requirements, including dark filed, phase contrast accessories, polarizing kits, and fluorescence light etc.

Optical	Color corrected 195mm plan optical system.
Head	Push-Pull binocular head with45° inclined Push-Pull trinocular head with 45° inclined Gemel binocularhead with 30° inclined Gemel trinocular head with 30° inclined
Eyepiece	PL10X18mm high eye-point plan eyepiece
Nosepiece	Reversed quadruple nosepiece, reversed quadruple nosepiecefor optional.
Objective	Plan achromatic objective 4X,10X,40X,100X. Plan phasecontrast objective 10X,40X,100X
Focus	lowerness locate Coaxial focus system
Stage	132mm *140mm mechanical stage, adjusting for right or lefthand. 76m * 50mm moving range.
Condenser	N.A.1.2/0.24 swing achromatic condenser N.A.1.25 fiveposition phase contrast condenser N.A.0.9 dry darkfiled condenser. N.A.1.25 wet drakfiled condenser.
Illuminator	Built-in koehler illuminator systems. 6V/20W halogenbulb,adjustment of brightness.