E3 Senior Student Microscope

The E3 Senior Student microscope is the latest Prism Optical student microscope. It has excellent performance for its price.

The E3 clearly outperforms its predecessor optically, mechanically, and ergonomically. The E3 also features a wire harness to keep the cord tidy and out of the way when not in use, or when used on the integrated rechargeable battery pack.

Available in monocular and binocular. The monocular is available with a fixed stage and 5 place disc diaphragm, and the binocular has co-axial dual axis mechanical stage with iris diaphragm.

  • 4×, 10×, 40×, and 100× oil immersion objectives,
  • WF10×/18 eyepieces (with optional pointer or graticule),
  • Coaxial coarse and fine focus controls, and
  • Rechargeable with 30+ hours of charge.


Technical Specifications

  E3-M E3-MM E3-BM
Eyepieces Wide field 10×/18mm with optional pointer or graticule
Viewing Head 30° inclined monocular 30° inclined binocular
Right eye diopter (±5)
Interpupillary Distance: 50 – 75 mm
Objectives Achromatic 4× 10× 40× (spring) 100× (oil, spring)
Focus Low position coaxial coarse and fine focus
Coarse range: 13mm
Fine precision: 0.002mm
Low position coaxial coarse and fine focus
Coarse range: 7mm
Fine precision: 0.002mm
Stage Fixed simple stage
Slide clips
110mm × 120mm
Mechanical stage
Dual layer, coaxial control
Slide holder
115mm x 125mm
Diaphragm 5 position disc diaphragm Iris diaphragm
Condenser NA 0.65 simple condenser NA 1.25 Abbe condenser with filter holder
Illumination Adjustable 0.2W LED (5700K – 6200K)
Power Source 5VDC 1A from 110–240VAC power supply
Warranty 3 year warranty on defective parts and workmanship. prismoptical.com.au/warranty for more information


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