Special Features:
* Built-in electronic register on deluxe model-operated by any pen.
* Pressure sensor system provides uniform sensitivity over the whole of the working field.
* Areset button provides immediate zeroing of the 4-digit counter
* Flexible adjuster accepts 10cm to a5cm petri dishes
* Adjustable focusing arm allows 1.5x standard lens to be raised or lowered up to your preference.
* Lens can be rotated 360^。for ready access to petri plates
* Background plate can be changed to white or black for easy counting

Specifications