Optical system

Finite optical system

Infinity optical system

Observation tubes

Binocular head, inclined 30 degrees and rotating

Trinocular head with light splits 80%:20%

54-75mminterpupillary distance，±5 degrees diopter control

eyepiece

PL10X/18mm, High eye point ,wide field plan eyepiece

PL10X/20mm, High eye point ,wide field plan eyepiece

objective

Finite high contrast achromatic objective:4X、10X、40XS、100XSO

Finite plan achromatic objective:4X、10X、20X、40XS、100XSO

Infinity plan achromatic objective: 4X、10X、20X、40XS、100XSO

Nosepiece

Quadruple/quintuple with click stop

Focusing adjustment

Coaxial coarse and fine focusing adjustment, with limited and tension adjustment, coarse adjustment range:28mm，fine adjustment precision：0.002mm

Stage

low position coaxial mechanical stage,size:140x132mmtravelrange:76x50mm

low position coaxial mechanical stage, size: 150x140mmtravel range:76x50mm,with two sets clips

Condenser system

Critical illumination, rack & Pinion focusable 1.25NA Condenser, fixed center

l Koehler illumination, rack & Pinion focusable 1.25NA Condenser, adjustable center

Illuminator

Variable voltage 90V～240V，halogen 6V/20W with intensity control

Variable voltage 90V～240V， 3W LED lamp with intensity control

Photography adapter

3.2x photo eyepiece ,photo tube（with PK mount）

Video  adapter

l0.35X CTV

l 0.5X CTV

l 1.0X CTV

Other options

Phase contrast sliders for condenser（use with phase contrast objective）

Dark field slider for condenser

Simple polarization (with analyzer and polarizer)