If there is a quality problem， please contact us by email， and we will definitely give you a satisfactory answer.
Erect Stereo Sharp Images Over a SUPER Widefield of View
Accurate Alignment Ensuring Fatigue-Free Long Time Viewing
Crystal Clear Original True Color Images
45 Inclined Trinocular Head with SUPER Widefield High-Eyepoint Eyepieces
30mm SUPER Widefield Eyepieces (see the difference in the above picture)
Both Ocular-Tubes with Adjustable Diopter
Adjustable Interpupillary Distance
Full Optical Glass Elements
Precise Ground Glass Lenses
4" (100mm) Extremely Large Working Distance
Versatile Boom Stand Covering Large Working Area
Double-Arm Design for 3-Degree Freedom
Able to Place Microscope Head Toward to Any Direction
Heavy-Duty Cast Steel Stand Finished with Stain Resistant Enamel
Rugged Solid Cast Steel Base
30mm SUPER Widefield Eyepieces Included
165mm and 30mm working distance auxiliary objective

Head: 45 inclined 360 swiveling trinocular
Eyepiece: 30mm super widefield high-eyepoint WF10X/20mm
Objective: 0.35-9.0X
Auxiliary objective :SZM0.5X & SZM2.0X
Zoom Range: 6.4:1
Diopter Adjustment: 5dp
Interpupillary Distance: 2-3/16" - 2-15/16"(55-75mm)
Field of View: 2-1/2" (65mm) in diameter
Working Distance: 4" (100mm)
Boom Stand: 20" double-arm (overall length: 30")， 17" high pillar， 10-1/4"x8-1/4"x2-0" solid cast steel base

POWER/MODE:
This camera is plug-in to power on， long press the button for 3 seconds
to power off， then short press for 1 second to power on. Power on
success if you hear ticking with red indicator light on. After power on，
short press for 1 second to change to video mode， press one more
second to change to picture/video playback mode， one more press
back to camera mode.
MENU：
Short press the button for 1 second and enter menu se