Video reference: http://download.hayear.com/content/?266.html

Specification
Model: USB Output
Sensor: 12MP,1/2.3 inch
Image equipment: SONY IMX CMOS
Sensor: 12.0MP
Full Resolution: 3840 x 2880
Frame rate:(MJPEG)3840x2880@15FPS ;3840x2160@25FPS ; 3264x2448@15FPS ;2592x1944@25FPS; 1920x1080@25FPS;1024x768@30FPS; 800x600@30FPS;640x480@30FPS
Frame rate:(YUV)3840x2880@1FPS ;3840x2160@1FPS ; 3264x2448@1FPS ; 2592x1944@1FPS;1920x1080@5FPS;1600x1200@5FPS; 800x600@20FPS;640x480@30FPS
Pixel size: 1.55μmm x 1.55μm
Programmable control:The size of the image, image photographing, exposure time, gain, GAMMA,
White Balance: Auto / Adjustable
Data output:16bit
Light: Auto
Electronic shutter:20-100000
White balance (dB):38.1 dB,
Color: Auto/Adjustable
Sensitivity: 1.4V/lux-sec@550nm
Spectral response:400nm~1000nm 

This microscope camera is a 0.5x Reducing lens, which expands the camera's field of view. It can be used with C-Mount or CS-Mount camera in any pixel and placed in a binocular or trinocular microscope to expand its field of view. Can be installed directly in the biological or stereo eyepiece camera.
Specification
Magnification: 0.5X
Mounting Size: 23.2mm, 30mm ,30.5mm
C-mount Thread: 32TPI-UN-2A
Suit Microscope: biological microscope and stereo microscope
Feature
0.5X magnification to get a more wide view of microscope
C-MOUNT adapter to connect CCD camera or Digital eyepiece to microscope 

Package including: 

1 x 12MP Microscope Camera
1 x 0.5X Reducing Lens
1 x 30/30.5mm Adapter
1 x USB Cable
1 x Software Disk