In some applications, it is desirable to decrease the magnification factor. With this 0.7x lens, you can use the Science ETD-201 at magnifications of 5.6 to 35x. . The working distance is increased slightly. This is particularly useful if you need to work under the microscope. A larger and brighter field of view is also useful when using a microscope camera. The working distance is 137 mm.
This additional lens is compatible with the following BRESSER microscopes: