What is a Phase Contrast Microscope?

Product description GR23S + 500W professional advanced phase contrast microscope is a combination of GR23W (professional advanced phase contrast microscope) and USB2.0 camera GR23W (professional advanced phase contrast microscope)
The standard configuration:
Comprehensive magnification: 40-400X
High eye point flat field eyepiece: 10X / 18mm
Centering telescope flat field normal phase contrast achromatic objectives: 4X, 10X, 20X, 40X (S)
Quick-moving mechanical moving platform 155X137mm stroke: 75x54mm
Flat-field turntable phase contrast condenser (including two 2 hexagonal wrenches) | Darkfield / brightfield / phase contrast switching 3WLED electrical group 2200mAhLED rechargeable battery 0.5X camera socket (C interface)
Blue filter (34)
2.5mm Allen wrench CCC certified power cord (three core, 3X0.75)
Optional accessories:
Eyepiece: 20X
Digital imaging system: USB2.0 camera: 1.3 million pixels / 2 million pixels / 3 million pixels, 1.4 million CCD camera, measurement analysis software.
USB3.0 camera: 5 million and 14 million pixels are available. The maximum resolution is 2592 * 1944. It has the advantages of fast transmission speed, high definition, high image quality, and good color reproduction. It is specially designed for microscope applications. High pixel camera.
Suitable for any biological microscope, phase contrast microscope, industrial microscope, polarizing microscope and metallographic microscope with standard C / CS interface. Can also be widely used in industrial quality control, microscope observation, material analysis, machine vision and other fields.
Technical Parameters:
Product model GR500W
Sensor type 1 / 2.5 "CMOS color effective pixel 2592H * 1944V
Data bits 10bit
Pixel size 2.2m * 2.2m
Frame rate 6fps @ 2592 * 1944
15fps @ 1280 * 960
20fps @ 1024 * 768
23fps @ 640 * 480
Scanning method Progressive shutter type Electronic shutter dynamic range> 60dB
S / N ratio 44dB
Sensitivity: 1.4V / lux-sec (550nm)
Exposure time 83s378ms, automatic exposure white balance auto / manual, adjustable software functions RGB gain, exposure time, GAMMA, image taking, continuous taking, video and other I / O control support development support Provide SDK and support secondary development Support d-show
Lens interface C / CS.
Power supply mode: USB2.0
Support system Win2000 / WinXP / Vista / Windows7 / 8 (32bit / 64bit)
Working temperature: 0-60
Dimension 40mm * 40mm * 90mm
Product weight 90 g