Feature:1. Made of highquality aluminum alloy, it is strong and durable. The surface is painted to prevent oxidation and corrosion.2. Suitable for Nikon F mount SLR camera, which can help to record the biological microscope picture after the transfer.3. It can be separated and used separately, and the middle transfer part is designed with M42x0.75 interface.4. Light in weight, it will not burden your device when using it, and it can also protect your camera.5. Easy to install and operate. It can be used with just a few simple installation steps, which can effectively save your time.Specification:Item Type: Microscope Adapter RingMaterial: Aluminium AlloyProduct Color: Black Product Weight: Approx. 65g/2.3ozMount: T Mount, T2 Mount, F MountApplicable Models: For Nikon F Mount SLR Camera.Package List:1 x T Mount Microscope Adapter Ring1 x Camera Lens Adapter