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| Models Head Type Eyepieces Objective Lenses Nosepiece Substage Stage Focusing Illumination | CGT-15 Trinocular with 0.5x C mount tube WH10X, FN20 Plan 4x, 10x, 40x, 100xR (oil) Inward quadruple (4-hole) N.A.1.25 Abbe type with iris diapheagm Rackless Mechanical Stage, Hard-coated Coaxial coarse and fine adjustment 1W LED simple Koehler type |