Using high‑quality aluminum alloy, CNC integrated molding process, durable and wear‑resistant, baking finish processing, oxidation and corrosion resistance. | The interior is planted with a high‑quality flannel surface, which will not scratch the lens body. | The lens tripod ring makes it easy to mount the telephoto lens camera to a tripod, balanced camera body. | Reduce pressure on hands and extend working hours. | Suitable for 70‑200mm F4 lens.

【For CATV】: Fine workmanship, with cost effectiveness for your own local CATV system. | 【Input&Output】: VHF working frequency for PLL controlled, HD input, A/V output, RF output. | 【Plug And Play】: Support NTSC and PAL TV format output, no need to install driver program, portable, flexible, plug and play. | 【ABS Shell】: Made of high quality ABS material, sturdy, durable and long service life. | 【Long Service Life】: Professional manufacturing, stable characteristics and high reliability.