Inside diameter of the ring light: 1.0" (27mm)
Overall outside diameter: 1.77" (45mm)
A microscope set :
1 x C-mount Lens
1 x Camera Stand
1 x microscope Camera (VGA HDMI13MP )
1 x Power Supply
1 x LED Ring Light

B microscope set :
1 x C-mount Lens
1 x Camera Stand
1 x microscope Camera (VGA HDMI13MP )
1 x Power Supply

C/D/E microscope Camera（The color picture shall prevail）
1 x Microscope Camera
1 x Power Supply

F/G/H Stand（The color picture shall prevail）
1 x Camera Stand
Note:
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.