Diopter: adjustable on both eyepiece tubes; Nosepiece: revolving quadruple; Stage: mechanical stain-resistant double layer, size: 5-1/2inch x 5-1/2inch (140mm x 140mm), translation range: 3inch x 2inch (75mm x 50mm); Photo tube adjustment range: 5/8inch (15mm); Focus: coaxial coarse and fine focus knobs on both sides, rack and pinion adjustment, with tension control
Focusing knob can be locked for observation and transportation; Brightfield condenser: NA1.25 Abbe condenser with iris diaphragm and filter holder, rack and pinion adjustment; Oil darkfield condenser: NA 1.36-1.25 condenser; Black palm rest on the base; Illumination: transmitted (lower), replaceable 3W LED light, variable intensity; Metal mechanical components; Power supply: 100V-240V 50/60Hz worldwide range (US and Canada power plug)