Description
Block Viewer is very easy to use: just lay your sample block on a flat surface, looking through the small hole in the tube, you will see the block multiplied few times over. Adjusting the distance from block, you can obtain desired view.
Block Viewer is very easy to use: just lay your sample block on a flat surface, looking through the small hole in the tube, you will see the block multiplied few times over. Adjusting the distance from block, you can obtain desired view.