Features: 1Made of high?quality aluminum alloy, it is strong and durable and with a long service life. 2The surface is painted with anti?oxidation treatment, smooth appearance and corrosion resistance. 3It can be separated and used separately, and the middle transfer part is designed with M42x0.75 interface. 4Suitable for Sony E mount SLR camera, which can help to record the biological microscope picture after the transfer. 5Easy to install and operate. It can be used with just a few simple installation steps, which can effectively save your time. Item Type: Microscope Adapter Ring Material: Aluminium Alloy Product Color: Black Product Weight: Approx.102g/3.6oz Mount: T Mount, T2 Mount, E Mount Applicable Models: For Sony E Mount SLR Camera 1 x T&nbspMount Microscope&nbspAdapter&nbspRing 1 x&nbspCamera Lens&nbspAdapter 1 x&nbspHex Wrench&nbsp