Usage Tips:Features: brand and metal structure anozed process, durable. Brand & Never used camera adapter for microscopes with standard 23.2mm eyepiece ports Useful accessories allow you to mount the camera to a standard 23.2mm eyepiece diameter microscope (the camera requires an adapter) Fits Ni-kon SLR/DSLR camera models. Include: D1-, D2-, D3-, D3S-, D3X-, D35, D4, D40, D40X, D50, D60, D70, D80, D90, D100, D200, D300, D300S, D600, D700, D750-, D800, D810, D3000, D3100, D3200, D5000, D5100, D5200, D7000, D7100, etc for: Can-on SLR and DSLR camera bodies, including (digital models) 1D- (all), 5D (all), 6D, 7D, 10D, 20D, 20Da, 30D, 40D, 50D, 60D, 60Da, 70D, 100D, 300D, 350D, 400D, 450D, 500D, 550D, 600D, 650D, 700D, 1000D, 1100D, D30-, D50, D60, T5i, X6i, SL1 etc. Note: It does not work with mirror less cameras and It does not fit the EOS-M model Specifications: Application: Standard 23.2mm Eyepiece Socket Material:Metal Thread: M42x0.75 Color: Black Weight: 32 grams Optional: Fits Ni-kon / for Can-on Note: Note: It does not work with mirror less cameras and It does not fit the EOS-M model Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment. Package includes: 1 x Microscope T Adapter 1 x Adapter Ring