In order to check the size of the object to be photographed during microscopic photography.
On 2015-05-14 16:50:41
It is used as a substitute for the objective micrometer, but at this price its precision is something that can not be replaced by anyone. However, in transportation from a monotary, there is a possibility that the shipping fee becomes too high as it is sent in a container (small carton box) that does not match the size of the product. Transportation with small cushioned envelopes is considered adequate.