National 168 Series Compound Microscopes, Binocular.

Superior in design and performance, National Optical's 168 Series incorporates a wide range of features designed for university and laboratory use. Superb optical clarity and reliable mechanical engineering assure years of top performance. Choose from four grades of objective lenses - semi-plan, super high contrast, plan, and plan phase. All objectives are parfocalled, parcentered, and color-coded.

SPECIFICATIONS:

OPTICAL SYSTEM

Widefield 10x /18mm eyepiece
45° inclined monocular viewing head rotates 360° for easy sharing by more than one student
DIN standard 4x (0.10 N.A.), 10x (0.25 N.A.), 40xR (0.65 N.A.) and 100xR oil immersion (1.25 N.A.) semi-plan objectives. All are parfocalled, parcentered and color-coded
Quad objective turret is ball-bearing mounted for smooth, precise positioning of objectives, features textured rubber knurling for easy grip. Mounted in reverse position to facilitate ease in changing slides

ILLUMINATION

3W LED variable illumination
110V-220V external auto-switching power supply
CE certified

FOCUSING

Coaxial coarse and fine focusing controls.
Coarse has tension adjustment
Fine is graduated

STAGE

Large 140mm x 135mm rackless mechanical stage
Built-in, low profile, ball-bearing mounted mechanical specimen holder with low-position coaxial controls, 70mm (x) by 50mm (y) movement with graduations of 0.1mm
1.25 N.A. Abbe condenser has rack & pinion focusing and iris diaphragm

FRAME

Rugged cast aluminum, gray enamel finish
Base dimensions: 185mm x 235mm (7-1/4 in. x 9-1/4 in.)
Height: 420mm (16-1/2 in.). Net wt. 6.3 kgs (13.9 lbs)

PACKING

Molded styrofoam container with vinyl dustcover
Individual: Ship wt. 15 kgs (33 lbs), Dimensions 61x28x43cm (24x11x17 in.)
Master carton pack 1 each: Ship wt. 15 kgs (33 lbs), Dimensions 61x28x43cm (24x11x17 in.)

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