The Circle Writer is a cost-effective alternative to the established Pap Pen. The pens are available in broad, fine tips, clear or in green colour. The Circle Writers are produced in Japan same as the original Super Pap Pens.
NIGHTSEA™'s new Stereo Microscope Fluorescence Adapter adds fluorescence to just about any stereo microscope (or dissecting microscope) with no modification to the microscope itself. The modular design lets you easily switch between several excitation / emission combinations to work with a variety of fluorescent proteins and other fluorophores.