National 169-ASC

OPTICAL SYSTEM

• Widefield 10x /18mm eyepiece, pointer standard in one eyepiece. Accepts optional #965-160 eyepiece reticle.
• Trinocular viewing head with 30° inclined binocular eyepieces with dual diopters and interpupillary adjustment 54mm to 76mm, and vertical monocular tube with third eyepiece, rotates 360°. Vertical tube removes to permit mounting optional SLR or video adaptors. 3-position sliding rod directs light 100% to binocular eyepieces, or 100% to vertical tube, or 70% to vertical tube and 30% to binocular eyepieces.
• 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.) ASC super high contrast 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 : Inclined eyepiece, 380mm (15 in.). Net wt. 7.2 kgs (15.8 lbs)
• Vertical eyepiece, 455mm (18 in.)

PACKING

• Head and frame in separate molded styrofoam container with vinyl dustcover.
• Individual: Ship wt. 8.6 kgs (19 lbs), Dimensions 550x325x325mm (22x13x13 in.)
• Master carton pack 1 each: Ship wt. 8.6 kgs (19 lbs), Dimensions 550x325x325mm (22x13x13 in.)

WARRANTY

• Lifetime limited warranty, excluding bulb, cord, and fuse.