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