Click to open image viewer. This telescope has an achromatic objective of 2.75 inches aperture, brass tube with finder, several eyepieces, two telescoping braces, two control rods, a split objective ...

Rene Co.'s 8400K Optical Micrometer measure the width of scratches and the vertical depth of surface features. The kit includes a Microm-eter with digital display, three bases for different surfaces, ...