National Trinocular Stereo Zoom Microscope with LED Illumination 420T-430PLL-10

National 420T-430PLL-10 1-4x Trinocular Stereo Zoom Microscope with LED Illumination

The convenience and versatility of viewing a large picture at 10x magnification, then zooming continuously all the way to close-up detail at 40x magnification. Upright, unreversed 3-dimensional image remains in focus throughout zoom range. Optional eyepieces and auxiliary objectives expand magnification range and working distances. Trinocular port accepts video or SLR adapters (included).

MAGNIFICATION

• 1x to 4x Zoom

OPTICAL SYSTEM

• Paired widefield 10x eyepieces are 45° inclined, with dual diopter adjustments, interpupillary adjustment from 55mm to 75mm. Accepts 23mm eyepiece reticle.
• Viewing head rotates 360°.
• Achromatic, color corrected lenses.
• Continuous magnification from 10x thru 40x. See specification chart for full magnification range available with use of optional auxiliary lenses.

FOCUSING

• Large dual focusing knobs with slip clutch to prevent damage to mechanism.
• Tension adjustment eliminates focus ‘drift’.

ILLUMINATION

• Top light is LED with directional beam and rheostat control.
• Bottom light is LED for cool operation, greater light efficiency.
• Base mounted light controls permit choice of top only, bottom only, or dual illumination.
• Heavy-duty 3-wire grounded cord and plug.
• 110V-240V internal auto-switching power supply.
• Supplied with American style IEC power cord.
• Additional wall adapter for 240V operation required.

STAGE

• Two 80mm stage plates (frosted glass and reversible black/white plastic contrast plates).
• Blue filter for transmitted light.
• Locked-on stage clips.