National 425 Series Instructions Manual page 2

Stereoscopic zoom microscopes
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Illustrated: Model 425T-440PLL-10
Trinocular Port
Power Cord for Top Light
Eyepieces
(incidental illumination)
Knurled Diopter Adjustment
(on both eyepieces)
Head
Eyepiece Tube
Zoom Control Knob
Prism Housing
Tension Adjustment Collar
(behind this focusing knob)
Head Locking Screw
Focusing Knob
(both sides)
Knurled Cover Ring
Focusing Assembly Locking
Support Collar
Incidental Illuminator
Top Light Beam Adjustment Screw
Post
Power Jack
Main Power Switch
Incidental (top)
and Transmitted
Stage Clips
(bottom) Light
Switches
Stage Plate
Base
Intensity Control
for both
illuminators

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This manual is also suitable for:

425t-440pll-10425t series

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