Optical System: Infinity Optical System, f = 180mm, Anti-Mold
Viewing Head: Binocular or Trinocular Siedentopf type, inclined 30°; interpupillary distance adjustment 48-75mm, 360° rotatable

Eyepieces: HWF Plan 10x eyepiece, 20mm field of view with built-in diopter adjustment; a pointer is standard in one eyepiece; eyepieces are locked-in to prevent classroom tampering. Eyepiece accepts a Ø20.5mm reticle

Nosepiece: Rear facing quadruple, ball bearing nosepiece with positive click stops to ensure parcentration
Objectives: Infinity Plan Achromat 4x, 10x, 40xR* and 100X oil objectives -- (*spring-loaded)

Stage: Mechanical Stage size 140mm X 132mm with X-Y movement range of 76mm X 50 mm

Condenser: N.A. 1.25 Abbe condenser (with slot for sliders) on a rack and pinion with iris diaphragm; glass lens in condensing system protects iris diaphragm from classroom tampering

Stand: Cast alloy aluminum

Illumination: 3-watt LED with variable intensity control; LED bulb is rated for over 25,000 hours of continued use

Focusing System: Coaxial focusing system with adjustable tension control and upper limit stop to prevent accidental damage to slides; all metal gears, brass fine focus gear