National Optical™ Dual View LED Microscope

Description

• An ideal DIN optical system combined with LED illumination delivers higher light efficiency than standard 20 W tungsten bulb and assures cool operating temperature
• Optical System Widefield 10X eyepiece with revolving pointer, supplied in both diagonal and vertical viewing tubes Accepts optional #965-160 eyepiece reticle Vertical and 30° inclined tubes mounted on 360° rotating head for ease of use Vertical tube has diopter adjustment, positioned low for easier camera mounting, using optional accessory #930-028 video c-mount DIN standard, achromatic, parfocalled, parcentered, and color-coded: 4X (0.10 N.A.), 10X (0.25 N.A.), and 40XR (0.65 N.A.) objectives 3-hole nosepiece is ball-bearing mounted for more precise alignment, has positive click stops Illumination Built-in LED illumination, delivers greater light and longer life than standard 20 W tungsten bulb Virtually no base heat
• 50,000 hour rated bulb Base mounted on/off switch, heavy-duty 3-wire cord Focusing Separate low position coarse and fine focusing controls Stage moves up or down, eyepiece and body remain fixed Slip clutch prevents damage to focusing system Tension adjustment eliminates stage drift Safety rack stop prevents damage to slides and objective lenses Stage Large 110 x 120 mm (4 3/8 x 4 3/4 in.) stage, with locked-on spring mounted stage clips, is drilled and tapped to accept optional mechanical stage (Model 139-MS) Built-in 0.65 NA condenser lens Calibrated 5-hole disc diaphragm