With this stereoscope, land is seen in three-dimension and all objects stand out. Height can be observed in even the smallest object with great detail. Offers a wide choice of stereo-viewing....
An economical unit for lab or field use. This portable mirror stereoscope is for use with 9" x 9" stereo photographs. It features a 1.2x magnifying unit, and the rugged plastic frame folds to compact....
This portable 20x microscope allows stereoscopic, 3-D viewing in both the classroom and the field. Fully adjustable, the microscope has a pivoting head for easy observation of large subjects. This....