Optical microscope 301 series

laboratorySiedentopf typeachromatic

Optical System: Infinity Optical System, f = 200mm, Anti-Mold Viewing Head: Binocular, Ergo Tilting Binocular or Trinocular Siedentopf type, inclined 30°; interpupillary distance adjustment 47-75mm, 360° rotatable. Eyepoint height is adjustable and can be raised 35mm when the interpupillary distance is 64mm by rotating the eyepiece tubes up 180° to accommodate the needs of various users. Eyepieces: WF10x focusable eyepieces, 22mm field of view; eyepieces are locked-in to prevent classroom tampering. Eyepiece accepts a Ø26.5mm reticle Nosepiece: Rear facing quintuple, ball bearing nosepiece with positive click stops to ensure parcentration Objectives: Infinity Plan Achromat 4x,10x, 40xR* and 100xR oil* (*spring loaded) Stage: Rackless, scratch resistant rectangular stage, 188 x 150mm surface area with 78 x 54mm cross travel using low-postion X-Y coaxial control knobs and vernier scale of 0.1mm on the stage Condenser: N.A. 1.25 Abbe Condenser with aperture diaphragm and position guide markings for each objective; filter holder Stand: Cast alloy aluminum with built-in carrying handle and removable lamp house for easy bulb replacement. Illumination: 5-watt LED (20,000 hour rated life), an optional field diaphragm is available 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. Fine focus precision of 2μm minimum. Micrometric increments on fine focus knob. Accessories: Dust cover, immersion oil and instruction manual, universal power supply 110v-240v