TV adapter with circle interoperability for microscope use

[Features]
· An adapter for easily mounting a TV camera to a "tool scope" working-microscope.
· Can be mounted with a TV camera with a C mount by removing the eyepiece lens and inserting the TS-TVA.
· A scale plate can be projected at the same time.
· Tool Scope is a registered trademark of Chuo Precision Industrial Co., Ltd.