Specification :

Models PB-3428 PB-3438
Optical System Infinity Optical Systems
Viewing head Binocular Head. Inclined30° Trinocular Head. Inclined30°
Interpupillary Distance 48mm -75mm
Eyepiece WF10 X ( 22mm)
Objective Infinity Plan Achromate objective:
 PL 4X/ 0.10
 PL 10X/ 0.25
 PL 40X/ 0.65
 PL 100X/ 1.25
Stage Double layers mechanical stage
Stage size: 180mm × 150mm
Moving range: 75mm × 50mm
Condenser N.A1.25 Abbe condenser with iris diaphragm
Focusing Coaxial coarse & fine focusing adjustment with rack and pinion mechanism Fine focusing scale Value 0.002mm
Collector High brightness Kohler illumination
Illumination Halogen tungsten bulb 12V/ 20W.AC 85V-230V, Adjustable brightness