NA133CLED

133-CLED

National Optical

National's 133-CLED Monocular Corded LED Microscope, part of the brand's most popular series for middle and high school instruction, is enhanced with LED illumination delivering higher light efficiency than 20-watt tungsten bulbs. The cool operating temperature prolongs specimen life when viewing live material.Optical System Widefield 10x eyepiece with revolving pointer. Accepts optional #965-160 eyepiece reticle 45 inclined viewing head rotates 360 for easy sharing by more than one student or for reverse position viewing DIN standard, achromatic, parfocalled, parcentered, and color-corded: 4x (0.10 N.A.), 10x (0.25 N.A.), and 40xR (0.65 N.A.) objectives 4-hole nosepiece is ball-bearing mounted for more precise alignment, has positive click stopsIllumination Built-in LED, delivers greater light and longer life than tungsten bulbs. Virtually heat free operation Base-mounted on/off switch, heavy-duty 3-wire cordFocusing Separate low-position coarse and fine focusing controls Stage moves up or down, eyepiece and body remain fixed Coarse focusing has slip clutch to prevent damage to focusing system Tension adjustment eliminates stage drift Safety rack stop prevents damage to slides and objective lensesStage Large 4.75 x 4.75" stage with professional quality, low-profile mechanical specimen holder with low-position coaxial x-y controls Built-in 1.25 N.A. Abbe condenser with iris diaphragm