You Be the Detective: Unsolved Mysteries CD

Small, low-priced, cordless battery-powered stereo microscope with LED illumination.Simple design with single 20x magnification, good, sharp optics and 55-75 mm interpupillary adjustment to compensate for differences between the eyes.The small size and a weight of only 585 g makes this stereo microscope very suitable for use in the field and the user-friendly design makes it ideal for smaller children.

The stereo microscopes from model 40 series are very similar to the model 30 series.There are, however, some extra features that make it an ideal choice for more demanding users.It is slightly larger because it contains larger prisms and thus improved optics.The top and bottom illumination can be used simultaneously and the top light source is equipped with a halogen bulb The optical head rotates 360° for convenient viewing and the magnification is changed via a 90° rotating turret.The model 40 comes in two variants that only differs with regards to the magnification.The model 40B has 10x and 30x magnification.

Stereo microscope with good, sharp optics.The paired 10x wide-field eyepieces have removable soft eyecups to help shut out peripheral light.In addition the eyepieces have interpupillary adjustment (51-75mm) and dioptric adjustment on left eyepiece.With turret-mounted 1x and 3x objectives for quick magnification changes, an inclined head for viewing comfort and a dual illumination system for ideal specimen lighting.Top and bottom illumination cannot be used simultaneously. Other Model 30B eyepieces are available as extras allowing magnifications up to 60x.