Gem microscope

KSW4000 is a stereo gemstone microscope with reflected and transmitted light, darkfield illumination (darkfield condenser) and rotating stone holder. The outstanding image quality of our high-quality optics makes this stereomicroscope from A.KRÜSS the device of choice for many gemmological examinations. It delivers razor-sharp images over a large field of view. Also ideal for testing diamonds to determine color, clarity, cut and carat weight.

Technical specifications:

■ Magnification 10x and 30x, optionally 20x-40x
■ 45 ° angled view
■ 10x wide field eyepieces incl. eyecups
■ Symmetrical interpupillary distance adjustment
■ With diopter compensation
■ 2-fold revolving nosepiece 1x and 3x
■ Incident and transmitted light (LED)
■ Dark-field condenser
■ Rotatable stone holder and preparation clamps
■ Contrast plate glass and black/white, interchangeable
■ Power supply: 100 – 240 V
■ Rechargeable battery for location-independent use
■ Dust cover

You can find background information on examinations with stereomicroscopes or with immersion liquid in the Methods article Microscopy .

You can find practical examples in the articles: Viewing inclusions with stereomicroscopes (brightfield microscopy) and Using darkfield microscopy