This monocular zoom inspection microscope has 0.7x-5.0x zoom objectives combined with a built in 0.4x C-mount lens. 

Magnification will depend on your screen/monitor size.

Here is the formula to determine the min/max magnification:

Magnification:   About 13x-98x

Packing list

• Zoom microscope with 0.7-5.0x objective and 0.4x C-Mount
• 144-LED ring light and power adaptor
• Focus Rack + Pillar plate stand
• 11.6” Screen with build in digital camera

Specification

• Zoom Range: 0.7x—5x
• Working Distance: 100 mm standard
• Field of View 1/2"x11/16" (12.9mm X 17.1mm) to 5/64"x3/32" (1.8mm X 2.4mm)
• Stand: Pillar-style table stand    Diameter: 32mmLength: 240mm
• Base: 13”x10” (320X260mm)
• Light Source: 144-LED ring light with variable intensity control
• C-Mount: 0.4x

Display and Camera Specification

• 2 Mega Pixels, 1/2 inch progressive scan image sensor
• Maximum resolution 1920*1080@60FPS for Video
• Resolution: 1920×1080
• Kernel Architecture: Dual Core Cortex-A9, 1Ghz
• Measured images and data can be saved(Need Extra SD card)