National 453TBL-15 2x/4x Stereo Microscope

National 453TBL-15 2x/4x Stereo Microscope

National 453TBL-15 2x/4x Stereo Microscope

B&H # NAS453TBL15 MFR # 453TBL-15
National 453TBL-15 2x/4x Stereo Microscope

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Product Highlights

  • 10W Top/Bottom Tungsten Lighting
  • 45° Inclined Viewing Head
  • 15x Stereo Eyepiece
  • 2x/4x Objectives, 30x/60x Magnification
  • Parfocalled/Parcentered Paired Objective
  • 80mm Frosted Glass Stage
  • Rack and Pinion Focusing
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You Pay: $269.00

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  • 1Description

The 453TBL-15 2x/4x Stereo Microscope from National Optical is a dual magnification stereoscopic microscope designed for laboratories, high school and university students. The stereo (two) eyepiece configuration is preferred by most researchers and students because of the superior depth of field and comfort compared to monocular microscopes. This model of the 453 stereo microscope has a paired 15x eyepiece delivering 30x and 60x magnification. Two achromatic paired objectives are parcentered and parfocalled to keep the specimen centered and focused when switching between the two magnification settings.

The 453TBL-15 microscope can illuminate specimens from above and/or below using 10W tungsten lights activated by separate base-mounted On/Off switches. The rack and pinion system has a single focus dial and includes a slip clutch mechanism to prevent mishandling. An adjustable interpupillary distance, left-side diopter correction, and reticle holder/retainer make the 453 stereo microscope a welcome addition to classrooms as well as labs.

Optical System
  • Paired 15x (20mm) inclined eyepiece
  • 2x and 4x achromatic objectives
  • 30x and 60x magnification
  • Parfocalled, parcentered, paired objectives
  • 75mm / 3" working distance, 35mm / 1.4" maximum specimen height
  • Eyepiece with diopter adjustment and reticle holder/retainer
  • 55-75mm / 2.2-3" interpupillary distance
Focusing
  • Rack and pinion focus system
  • Slip clutch prevents over-turning
  • Tension adjustment prevents focus drift
Lighting
  • Incidental (top) 10 watt tungsten illumination
  • Transmitted (bottom) 10 watt tungsten illumination
  • Dual base-mounted On/Off switches
Construction Details
  • 80mm frosted glass and 80mm reversible black and white stage plates
  • Locked on metal stage clips
  • Cast metal frame
  • Grey enamel finish
  • 12.2" (31 cm) height
  • 5.5 lb (2.5 kg) weight
In the Box
National 453TBL-15 2x/4x Stereo Microscope
  • Eyeshields
  • Dustcover
  • Five Year Limited Warranty (Excluding Bulb)
  • Table of Contents
    • 1Description
    Microscope Type Stereo
    Eyepiece 15.0x (20 mm)
    Objective(s) 2.0x / 4.0x
    Head Inclined
    Light Source 12 V, 10 W tungsten (incidental/transmitted)
    Light Control 4-position On/Off
    Stage 80 mm frosted glass and reversible black/white contrast plate
    Interpupillary Adjustment 2.2 - 3" (55 - 75 mm)
    Maximum Specimen Height 1.4" (35 mm)
    Maximum Height 12.2" (31 cm)
    Weight 5.5 lb (2.5 kg)

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