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Specifications:

Head: 45-degree inclined 360-degree swiveling trinocular simul-focal
Eyepiece: 30mm super widefield high-eyepoint WF10X/20
Objective: 0.7-4.5X
Zoom Range: 6.5:1
Trinocular Port: 2m photo port
Interpupillary Distance: 2-1/8" to 3"(54-76mm)
Field of View: 1-1/4" (3m)
Working Distance: 7X-45X (100mm) Use 0.5x objective lens 3.5X-45X(165mm) Use 2.0x objective lens 7X-90X(40mm)
Head Mounting Size: 3" (76mm) diameter
Accessory Mounting Size: 1-7/8" (48mm female thread) diameter

144 bright white LED bulbs
100，000 s of life
Intense and focused shadow-free illumination
The brightness of 0-100%Adjustable，high brightness
Variable intensity control
Power input: 100-240V， 50-60HZ
Suit for the dia of the lens: 30mm-160mm

Package Including:

1 x Trinocular Stereo Zoom Head
1 x Pair of Super Widefield 10X20MM Eyepieces
1 x 23.2mm /38MM Interface Adapter
1 x Pair of Eye-Guards
1 x Dust Cover
1 x 144-LED Ring Light
1 x 465*315MM Big Stand Workbench
1 x 76mm Focusing Holder
1 x High temperature resistant working pad
1 x 1.0X Microscope Auxiliary Objective Lens(Protective Function Lens)
（Optional）
1 x 2.0X Microscope Auxiliary Objective Lens(Working Distance 40 mm)
1 x 0.5X Microscope Auxiliary Objective Lens(Working Distance 165 mm)
1 x Adjustable Metal Arm