Now with built-in digital 5.0MP camera, National's 212 offers a new standard of precision optics, highly engineered mechanics, and very rugged construction. Reverse position objective turret permits easier changing and positioning of specimen slides. Preferred by teachers, the corded LED illumination system provides optimum image brightness, virtually no bulb heat, and has a 50,000 hour rated bulb life.
Now with built-in digital 5.0MP camera, the DC4-211 offers a new standard of precision optics, highly engineered mechanics and very rugged construction. Objective turret (nosepiece) is in reverse position to permit easier changing and positioning of specimen slides. Preferred by teachers, the corded LED illumination system provides optimum image brightness, virtually no bulb heat and has a 50,000-hour rated bulb life.
OPTICAL SYSTEM
Widefield 10x eyepiece with pointer. Accepts optional #965-160 eyepiece reticle
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.), and 40xR (0.65 N.A.) objectives are supplied for 40x, 100x, and 400x magnification. All are achromatic, parfocalled, parcentered and color-coded
4-hole objective turret, reverse position, ball-bearing mounted for smooth, precise changes in magnification
ILLUMINATION
Built-in corded LED illumination, delivers greater light and longer life than standard 20-watt tungsten bulb. Virtually no base heat and a 50,000-hour rated bulb
Base mounted on/off switch, heavy-duty 3-wire grounded electrical system and plug
0.5A time delay fuse
Rheostat intensity control
FOCUSING
Separate low position coarse and fine focusing controls
Stage moves up or down, eyepiece and body remain fixed
Slip clutch prevents damage to focusing system
Tension adjustment eliminates stage drift
Safety rack stop prevents damage to slides and objective lenses
STAGE
Large 135mm x 135mm (5 1/4 in. x 5 1/4 in.) stage, with professional quality, low profile mechanical specimen holder with low-position coaxial x-y controls
1.25 N.A. Abbe condenser with spiral focusing mount, iris diaphragm, swing-out filter holder, blue filter supplied
CAMERA SPECIFICATIONS
5.0MP
Sensor Type: CMOS
Calibration slide and software included
FRAME
Rugged cast metal, gray enamel finish
PACKING
Molded styrofoam container with vinyl dustcover.
Individual: Ship wt. 15 kgs (33 lbs), Dimensions 56x41x33cm (22x16x13 in.)
Master carton pack 2 each: Ship wt. 19.1 kgs (42 lbs), Dimensions 48x38x51cm (19x15x20 in.)