Buy National Optical 129B-CLED-3, Binocular Corded LED Microscope

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1-855-590-6919
1-908-282-3482 (Intl.)

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Number of Objectives:: Number of Objectives: 3

A popular choice for middle and high school instruction is enhanced with LED illumination. Delivers higher light efficiency than standard 20 watt tungsten bulb, and cool operating temperature prolongs specimen life when viewing live material. Precision optical and mechanical features combine with extra rugged construction and user-friendly features.

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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

Optical system

Binocular head
Widefield 10x eyepieces with revolving pointer. Accepts optional #965-160 eyepiece reticle.
45° inclined viewing head rotates 360° for easy sharing by more than one student, or for reverse position viewing.
DIN standard, achromatic, parfocalled, parcentered, and color-corded: 4x (0.10 N.A.), 10x (0.25 N.A.), and 40xR (0.65 N.A.) objectives.
4-hole nosepiece is ball-bearing mounted for more precise alignment, has positive stops.

Illumination

Built-in LED, delivers greater light and longer life than standard tungsten bulbs. Virtually heat free operation.
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.
Coarse focusing has slip clutch to prevent damage to focusing system.
Tension adjustment eliminates stage drift.
Safety rack stop prevents damage to slides and objective lenses.

Stage

Large 120mm x 120mm (4-3/4 in. x 4-3/4 in.) stage, with professional quality, low profile mechanical specimen holder with low-position coaxial x-y controls.
Built-in 1.25 N.A. Abbe condenser with iris diaphragm.

Frame

Rugged cast metal, gray enamel finish.
Height: 365mm (14-1/2 in.). Net wt. 3.4 kgs (7.4 lbs)

Notes

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Product Details

Optical system

Binocular head
Widefield 10x eyepieces with revolving pointer. Accepts optional #965-160 eyepiece reticle.
45° inclined viewing head rotates 360° for easy sharing by more than one student, or for reverse position viewing.
DIN standard, achromatic, parfocalled, parcentered, and color-corded: 4x (0.10 N.A.), 10x (0.25 N.A.), and 40xR (0.65 N.A.) objectives.
4-hole nosepiece is ball-bearing mounted for more precise alignment, has positive stops.

Illumination

Built-in LED, delivers greater light and longer life than standard tungsten bulbs. Virtually heat free operation.
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.
Coarse focusing has slip clutch to prevent damage to focusing system.
Tension adjustment eliminates stage drift.
Safety rack stop prevents damage to slides and objective lenses.

Stage

Large 120mm x 120mm (4-3/4 in. x 4-3/4 in.) stage, with professional quality, low profile mechanical specimen holder with low-position coaxial x-y controls.
Built-in 1.25 N.A. Abbe condenser with iris diaphragm.

Frame