Superior in design and performance, National Optical's 167 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.
Superior in design and in performance, the 167 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. This unit is supplied with semi-plan lenses which deliver excellent clarity and 80-85% flatness of field.
OPTICAL SYSTEM
Widefield 10x /18mm eyepiece
45° inclined binocular 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.)
WARRANTY
Lifetime limited warranty, excluding bulb, cord, and fuse