Buy National Optical 431-430PLL-10, Dual Mag. Stereo Microscope, 2x&4x

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Combines the precise optical performance of most popular stereo model with a ne-wly enhanced illumination system. Specially designed incidental lamp can be directed precisely where needed, includes intensity control. Transmitted illumination is LED for optimum light and very cool temperature to prolong life of live material.

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Declaration

Declaration Due to recent government-imposed tariffs, all pricing is subject to change based on the manufacturer updates.

All sales are final

These are made-to-order items.
This product is not eligible for return or exchange unless defective.
The average lead-time is 1 or 2 weeks.

Technical Details

Optional Accessories

Reviews

Magnification

2x & 4x

Optical system

Paired widefield 10x eyepieces, 45° inclined, diopter adjustment, interpupillary adjustment from 55mm to 75mm.
Eyepieces equipped with reticle holder/retainer to accept reticle with 23mm O.D.
Viewing head rotates 360°, adjusts up or down on post mount to accommodate different size specimen.
Magnification changed by rotating objective turret 90° to positive stops.

Illumination

Top light (incidental) is LED with adjustable beam and variable intensity control.
Bottom light (transmitted) is LED.
4-position light control: top only/bottom only/top & bottom/off.
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 & pinion focusing with slip clutch and tension adjustment.

Stage

Includes two 80mm stage plates: frosted glass and reversible black/white plastic contrast plate.
Blue filter for transmitted light.
Locked-on stage clips.

Frame

Professional, all-metal frame.
Heavy-duty post mount with locking collar, permits up or down adjustment of viewing head to accommodate different sized objects on stage.
Base width: 171mm (6-3/4 in.), Base depth: 242mm (9-1/2 in.)
Height: 325mm (13 in.)

Product Details