STEREO - GENERAL FEATURES
Versatility - The range includes a model, the ST-30-2Led, which allows to work without worrying about the electrical power supply, thanks to its rechargable longlife battery. "Cold" light allows an excellent vision of the samples.
Heads - Binocular heads (except for MS-2 model). ST-40B-2L, ST-40-2L and ST-35-2L models have 360° rotating heads.
STX, S-10-P, S-10-L and S-10-2L models have vertical heads. 
Interpupillary distance - Binocular heads have an interpupillary distance adjustable between 51 and 75mm. Dioptric compensation adjustable on eyepiece tubes, except for MS-2 model.
Optical system WF10x/20mm eyepieces. Supplied objective changes according to the model: 2x fixed objective or double selectable objective (2x-4x or 1x-3x).
Illumination - The models with incident and/or transmitted light have 12V/10W tungsten bulbs. The ST-45-2L model is the only one supplied with halogen bulbs and brightness control. ST-30-2Led, ST-30-2LedR and ST-50Led have LED illumination.

LAB - GENERAL FEATURES
Heads - Binocular heads, 360° rotating and 45° inclined.
Interpupillary distance - Adjustable between 51 and 75 mm.
Eyepieces - WF10x/20 mm.
Objectives - LAB 10: with double magnification (2x-4x) that can be selected by rotating the lens unit. Working distance 80mm.
LAB 20: continuous zoom 0,7x ...4,5x. (6,43:1 zoom factor). Working distance: 85 mm.
Illumination - Double adjustable illuminator for incident and transmitted light fitted with two high-efficiency LED light sources. The angle of the incident illuminator is adjustable. Voltage: 110/240V ac.