Gemstone microscope

KSW4000 is a stereo gemstone microscope with incident and transmitted light, dark-field illumination (dark-field condenser) and rotatable stone holder. The excellent image quality of our high-quality optics makes this stereo microscope from A.KRÜSS the device of choice for many gemmological investigations. 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:

■ Magnifications 10x and 30x, optional 20x-40x
■ 45° angled view
■ 10x wide field eyepieces incl. eyecups
■ Symmetrical eye relief adjustment
■ With dioptre compensation
■ 2-fold objective nosepiece Diopter adjustment
■ With diopter adjustment
■ 2x nosepiece 1x and 3x
■ Incident and transmitted light (LED)
■ Dark-field condenser
■ Rotatable stone holder and specimen clamps
■ Interchangeable glass and black/white contrast plate
■ Power supply: 100 – 240 V
■ Rechargeable battery for location-independent use
■ Dust cover

Background information on investigations using stereo microscopes or immersion liquid can be found in the methods article Microscopy.

Practical examples can be found in the articles: Examining inclusions with stereo microscopes (bright-field microscopy) and Examining under a dark-field microscope