Accessories & Materials

Microscope droplet observation system

Observe the outer contour of droplets and the liquid layers inside them. Designed for fixed-position observation on TONGLI TL-Pro and higher models, with adjustable lighting, camera positioning and a built-in display.

Droplet observation system installed in an electrospinning chamberEnlarge image ↗
Droplet observation system installed in an electrospinning chamber

Lighting, capture & display

Two independently adjustable light sources

Use the ring-light knob to adjust front illumination and the backlight knob to control transmitted illumination. This lets you adjust the view of the droplet contour and internal liquid layers.

Photos, video & playback

Capture still images and record video, then preview saved photos and clips. Recording modes include 4K at 24 fps, 2K at 30 fps and 1080p at 60 fps.

Built-in screen & external connections

View the image on the built-in display or connect a standard external monitor via HDMI. The system also supports a USB connection to a computer.

Insulating, corrosion-resistant construction

Critical imaging-system components have multilayer high-voltage insulation. The system uses a corrosion-resistant insulating structure and accepts a 100–220 V power supply.

Positioning & focus

Camera, nozzle holder and display arrangementEnlarge image ↗
Camera, nozzle holder and display arrangement

Bring the droplet into view

Camera positioning
Fine adjustment up/down, left/right and near/far in X, Y and Z.
Nozzle holder
Manual adjustment in the X–Z directions.
Focus adjustment
Rotary focusing for the mounted camera.

Technical specifications

ParameterSpecification
Compatible equipmentTONGLI TL-Pro and higher models
Observation modeFixed-position droplet observation
Photo resolution7885 × 5560
Video resolution4K at 24 fps / 2K at 30 fps / 1080p at 60 fps
HDMI output1080p at 60 fps in photo mode
Lens & mount2× optical magnification / 300× digital magnification / C/CS mount
Working distance120–150 mm
Field of view3 × 6 – 6 × 11 mm
Image controlsExposure, white balance, guide lines, mirroring, color / black and white
Storage4 GB SD card; supports cards up to 128 GB
InterfacesHDMI and USB / PC
Camera powerUSB Type-C, 5 V / 1 A
System power supply100–220 V

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