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