Teacher 
Distributor
The EI STR Series TRI-POWER design offers three magnifications in one stereo microscope. Change from 10X, 20X and 40X with on smooth, click stop movement. Provided individual or simultaneous top and bottom LED illumination. The feature listed above plus widefield 10X eyepieces produce quality images.
Magnification
• 1X, 2X and 4X magnification
Optical System
• Paired widefield eyepieces are 45° inclined, with diopter adjustment. Interpupillary adjustment from 55 to 75 mm.
• Interlocked eyepiece tubes with diopter for increased focus acuity.
• Paired objectives are parfocalled, parcentered, and achromatic.
• Magnification changed by rotating objecive turret to positive click stop.
Illumination
• LED illumination provides bright, white light with virtually no heat.
• Top light adjusts for optimal lighting angles.
• Variable transbase illumination allows user to control brightness.
• Dual illumination switches allow for 3 light settings.
Focusing
• Rack and pinion focusing with slip clutch and tension adjustment.
• "Slip-clutch" system prevents users from damaging the focsuing mechanism.
Stage
• 60 mm reversible black/white plastic contrast plate and 60 mm frosted glass stage plate.
• Blue filter for transmitted light.
• Locked-on stage clips.
Frame
• Rugged, cast metal frame.
Magnification
• 1X, 2X and 4X magnification
Optical System
• Paired widefield eyepieces are 45° inclined, with diopter adjustment. Interpupillary adjustment from 55 to 75 mm.
• Interlocked eyepiece tubes with diopter for increased focus acuity.
• Paired objectives are parfocalled, parcentered, and achromatic.
• Magnification changed by rotating objecive turret to positive click stop.
Illumination
• LED illumination provides bright, white light with virtually no heat.
• Top light adjusts for optimal lighting angles.
• Variable transbase illumination allows user to control brightness.
• Dual illumination switches allow for 3 light settings.
Focusing
• Rack and pinion focusing with slip clutch and tension adjustment.
• "Slip-clutch" system prevents users from damaging the focsuing mechanism.
Stage
• 60 mm reversible black/white plastic contrast plate and 60 mm frosted glass stage plate.
• Blue filter for transmitted light.
• Locked-on stage clips.
Frame
• Rugged, cast metal frame.
| Instructions | No instructions available online. Please contact us for further assistance. |
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