National Optical 405TBL-10-3 405 Series Binocular Fixed Magnification Stereo Microscope (3X) Post Arm

Same high quality optical system and precise mechanical components of larger stereo microscopes. Designed for both the beginner or the general hobbyist. Optional eyepieces may be added later for increased magnification (30x is considered ideal for inclined, post mounted to permit 360° rotation and adjustment up/down to accommodate larger specimens.)

Magnification

• 3x

Optical System

• Paired widefield 10x eyepieces are supplied standard, 45° inclined, with diopter adjustment. Interpupillary adjustment from 50mm to 75mm. Reticle holder/retainer accepts eyepiece reticle with 23mm O.D.
• 47mm working distance
• Standard magnification of 30x is considered ideal.

Illumination

• High intensity, 12v 10 watt incidental and transmitted illumination. Separate switches permit use of top & bottom, top only or bottom only.

Focusing

• Rack and pinion focusing with slip clutch and tension adjustment.
• Mounted on metal post, adjusts up and down.

Stage

• 80mm reversible black/white plastic contrast plate and 80mm frosted glass stage plate.
• Locked-on stage clips.

Frame

• Rugged, cast metal frame, gray enamel finish.
• Height: 275 mm (10-7/8 in.).
• Base width: 115mm (4-1/2 in.), Base depth: 197mm (7-3/4 in.).

Packing

• Molded styrofoam container with eyeshields and vinyl dustcover.