• Specificfation

  Model	PB-3428	PB-3438
  Optical System	Infinity Optical Systems
  Viewing head	Binocular Head. Inclined30°	Trinocular Head. Inclined30°
  Interpupillary Distance	48mm -75mm
  Eyepiece	WF10X /(22mm)
  Objective	Infinity Plan Achromate objective: ∞ PL 4X/0.10 ∞ PL 10X/0.25 ∞ PL 40X/0.65 ∞ PL 100X/1.25
  Magnification	40X ~ 1000X
  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 with field diaphragm
  Illumination	Halogen tungsten bulb 12V/20W.AC 85V-230V,Adjustable brightness