National Optical Model 410TBL-10
Magnifications 10x and 30x with 10x eyepieces.
Precise optical alignment assures a three-dimensional, upright, unreversed image that is unsurpassed for everything from dissecting work to examining circuit boards. This model is a real workhorse for education or industry.
Paired widefield eyepieces are 45 inclined, with diopter adjustment. Interpupillary adjustment from 55mm to 75mm. Accepts optional #965-400-05 or #965-400-10 eyepiece reticle.
Viewing head rotates 360, locks in place by tightening set screw.
Paired objectives are parfocalled, parcentered, and achromatic.
Magnification changed by rotating objective turret 90 to positive click stops.
High intensity, 12v 10-watt incidental (top) light and 110v 15 watt transmitted (bottom) light.
4-position switch: top only, bottom only, top/bottom, off.
Rack and pinion focusing with slip clutch and tension adjustment.
80mm reversible black/white plastic contrast plate and 80mm frosted glass stage plate.
Blue filter for transmitted light.
Locked-on stage clips.
Rugged, cast metal frame, gray enamel finish.
Height: 340mm (13-3/8 in.) extends to 370mm (14-9/16 in.) for larger objects.
Base width: 153mm (6 in.), Base depth: 218mm (8-9/16in.)
Net wt. 4.1 kgs (9 lbs)
Instruction brochure, eyeshields and vinyl dustcover.
Lifetime limited warranty, excluding bulb, cord, and fuse.