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Stereo microscopes are low power microscopes which are also called dissecting, dissection or inspection microscopes.  Stereoscopes have low power or magnification range which is mainly 10x-70x (10-70 times bigger than actual).

Stereo microscopes are used for inspection and visualization of stamps, coins, mobile parts, printed circuit board (PCB), insects, plants, seeds, fruits, veterinary, anatomy, nearoanatomy, zebrafish, in vitro fertilization (IVF), music instrument parts (strings, CDs,…), material surfaces, ….. . Adding a polarization kit, stereoscopes can be used for inspection of rocks, minerals, and fossils. Advanced studies in this regard, which requires higher magnification, can use Polarizing microscopes or metallurgical microscopes. Researchers in zebrafish, embryo, IVF, bacteriophage, and microfluidics on small animal models like c-elegant use fluorescence stereoscopes.

Using auxiliary (or aux) lenses, you can extend the magnification or field of view. With a 2x aux lens, 30x eyepieces, in a regular stereoscope (0.7x-5.6x), the max magnification can be 336x. If a smaller magnification aux lens such as 0.5x or 0.33x is used, the working distance (WD) and field of view (FOV) will be increased and you can expect to see as large as 50mm FOV and over 200mm WD.  Contact us for such a configuration.

By default, all light microscopes generate brightfield images, i.e. specimen is seen with a bright background. It is possible to see the images with a dark background, i.e. darkfield images. To compare this, think of seeing an airplane in the sky during the day (brightfield) versus seeing it near sunset (darkfield).  You can add a darkfield and polarization kit to a stereoscope to make it much professional. Contact us for further details.

What to consider before buying:

Magnification: a typical  magnification is 7x-45x which can be extended using a 15x, 20x, 30x eyepieces and /or 1.5x / 2x aux lenses

Working distance: at physical stereoscope has 80-90mm WD.

illumination: Reflected for opaque sample and transmitted light for transparent samples.

Stereo Microscopes: Tips and Tricks

Thanks Brian Kloepfer, Carolina Biological Supply Co.