It is synchronous, what you can observe are shown at the same time as the camera display, 7-45X Trinocular Stereo Zoom Microscope, if you need 0.35X-90X, choose: option 2.0X / 0.5X Objective Len (3.5X-90X)

3.5X-180X zoom magnification trinocular stereo microscope with 0.7X-4.5X zoom objectives, optional two Barlow lenses (0.5X & 2.0x), two pairs of super widefield high-eyepoint eyepieces (10X & 20X) and foldable eyeguards.

Feature:

7X-45X zoom magnification power with crisp sharp images

Super widefield high-eyepoint optics

widefield of view

4" (100mm) working distance

Sturdy all-metal pillar stand

Powerful 56-LED ring light with dimmer

An excellent stereo inspection microscope with intensity-adjustable 56-LED ring light

7x-45x super wide zoom magnification power

Bright cool light 56-LED illumination system

High resolution with great flatness and contrast, giving sharp and clear images

Binocular head with 45 degree inclined 360 degree swiveling eye tubes

Sharp stereo erect images with a wide field of view

Crystal clear original true color microscope images

Dual eye tubes with adjustable diopters

Large working distance

Sturdy all-metal table stand

Accurate alignment reduces eye strain for longer periods of viewing

Full optical glass elements

Precise ground glass lenses

Full metal chrome-plated mechanical components

Adjustable interpupillary distance

Rubber eye-guards included