Technical features:

Model: SFX-31
Observation mode: Brightfield.
Head: Binocular heads, 45° inclined.
Interpupillary distance: Adjustable.
Dioptric adjustment: On both eyepieces.
Eyepieces: WF 10x/20 mm, secured by screw.
Objective: Achromatic 2x-4x with anti-fungus treatment.
Stand: Pillar stand with focus.
Focusing: Rack and pinion controlled by a pair of knobs placed on both sides of the stand.
Illumination: Incident: 1 W LED, transmitted: 1 W LED. Dial brightness control. Rechargeable batteries. Color temperature: 6,300 K.
With Rechargeable battery

Battery box: 3 x AA, 1.2V NiMh – replaceable by the user.
Battery pack: 3 x AA, 1800 mAh.
Time required for a full recharge: 10 hours.
Battery runtime with LED incident light at maximum power: 12 hours.
Battery runtime with LED transmitted light at maximum power: 14 hours.
Battery charging enabled while using the microscope.
Performances estimated with batteries at their maximum efficiency.