National Optical 446TBL-10 Stereo Microscope

National Optical 446TBL dual magnification microscope has both top and bottom lights. Optional eyepieces may be purchased to achieve different magnifications.

• Objectives: 1x or 3x objectives are parfocalled, parcentered and achromatic .
• Viewing Head: Binocular viewing head inclined 45º rotates 360º.
  
• Eyepieces: Microscope includes widefield 10x eyepieces, which accepts optional (#965-400-10) 23mm eyepiece reticle. Includes diopter on left side. Interpupillary adjustment from 55mm to 75mm. Additional 15x or 20x eyepieces are available.
• Total Magnification: 10x or 30x is standard. Additional magnifications may be obtained by ordering additional eyepieces. See chart below.
• Specimen Stage: 80mm reversible black/white plastic contrast plate and 80mm frosted glass stage plate, with locked-on stage clips.
• Working Distance: 75mm.
  
• Focusing: Rack and pinion focusing with slip clutch and tension adjustment. Viewing head adjusts up and down to accommodate different specimen sizes. Maximum specimen height is 35mm.
• Illumination: 12v 10 watt built-in incidental (top) and transmitted (bottom) illumination with base mounted on/off switch. Lights can be used independently of each other.
• Size & Weight: 12.25" high, 5.5 lbs
• Warranty: 5-Year limited warranty excluding bulbs and fuses.

Click here to see ideas of things to view with this microscope.