National 1x/3x Stereo Microscope with LED Illumination 430-420ALL-10

National 430-420ALL-10 1x/3x Stereo Microscope with LED Illumination

Precise optical alignment assures a three-dimensional, upright, unreversed image that is unsurpassed for everything from dissecting work to examining circuit boards. This model is a real workhorse for education and industry. Change between two magnifications simply by turning objective turret. Both transmitted and incidental LED illumination provide cool, efficient lighting.

MAGNIFICATION

• 1x & 3x

OPTICAL SYSTEM

• Paired widefield 10x eyepieces are 45° inclined, with diopter adjustment on left eyepiece. Interpupillary adjustment from 55mm to 75mm. Reticle holder accepts eyepiece reticle with 23mm O.D.
• Viewing head rotates 360°.
• Paired objectives are parfocalled, parcentered, achromatic. Choose from three models, with 1x & 2x, 1x & 3x, or 2x & 4x paired objectives.
• Magnification changed by rotating objective turret 90° to positive click stop.

ILLUMINATION

• Both incidental and transmitted lights are LED for brightness, cool temperature, and long life.
• 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.

FOCUSING

• Heavy-duty rack and pinion focusing with slip clutch and tension adjustment.

STAGE

• Includes two 80mm stage plates, frosted glass and reversible black/white plastic.
• Blue filter for transmitted light.
• Locked on stage clips.