ADAPTER for camera ADAPTER for microscope RMS adapter ring plug Lens adapter ring for microscope ADAPTER RMS thread ADAPTER for camera This adapter ring fits a microscope lens with an RMS thread interface. Smooth surface, easy installation. Durable anodized aluminum construction. Can be used below. The maximum distance of the microscope lens is 160mm, that is, the rear focus of the interface below and the SLR should be less than 160mm. Lightweight and portable, reducing the thickness and weight of the adapter ring. Simple to build, easy to use, not easy to deform, can be used with confidence. List of packages 1 x adapter ring ADAPTER for microscope This product is an M42 to RMS adapter. It is made of materials. It is safe and durable. It can ci serve for a long time without easy damage. This is an excellent adapter M42 for RMS that can bring ci convenience, allowing for a more comfortable experience. RMS adapter ring plug Kolor: black Material: aluminum alloy Size: 4.00x4.00x0. 40cm/1.57x1.57x 0.16in Outside diameter: 4cm Internal diameter: 2cm This adapter ring fits a microscope lens with an RMS thread interface. Smooth surface, easy installation. Durable anodized aluminum construction. Bellow can be used. The maximum distance of the microscope lens is 160mm, that is, the rear focus of the interface below and SLR should be less than 160mm. Lightweight and portable, reducing the thickness and weight of the adapter ring. Simple to build, easy to use, not easy to deform, can be used with confidence.