| Optical system | Finity optical system |
| infinity optical system |
| Observation tubes | Binocular head,inclined 30 degrees and rotating |
| Trinocular head with light splits 80%:20% |
| 54-75mm interpupillary distance,±5 degrees diopter control |
| eyepiece | PL10X/18mm, High eyepoint ,widefield plan eyepiece |
| PL10X/20mm, High eyepoint ,widefield plan eyepiece |
| objective | Finity high contrast achromatic objective:4X,10X,40XS,100XSO |
| Finity 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:140x132mm travel range:76x50mm |
| low position coaxial mechanical stage,size: 150x140mm travel range:76x50mm ,with two sets clips |
| Condenser system | Critical illumination,rack & Pinion focusable 1.25NA Condenser,fixed center |
| 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 | 0.35X CTV |
| 0.5X CTV |
| 0.5X CTV |
| Other options | Phase contrast sliders for condenser(use with phase contrast objective) |
| Dark field slider for condenser |
| Simple polarization (with analyser and polarizer) |
