To use a WiFi endoscope camera with a Samsung Android device, follow these steps: 1. Download and install the compatible app for your WiFi endoscope camera from the Google Play Store. 2. Turn on the WiFi endoscope camera and connect it to your Samsung Android device's WiFi network. 3. Open the app and select the WiFi endoscope camera from the list of available devices. 4. Adjust the camera settings, such as resolution and brightness, as needed. 5. Start using the camera to capture images or videos, or to view live footage. Note that the specific steps may vary depending on the brand and model of your WiFi endoscope camera. It's important to read the user manual or instructions that came with the camera to ensure proper setup and usage. 

No, it can be screwed on directly. 

Could you please update us your full Minolta lens model ?as Minolta has MD MC and AF mount, K&F Concept MD-M4/3 is suitable for: Lens: Minolta MD MC Mount lens(not for Minolta AF mount: KF06.157) Camera: Micro 4/3 (MFT) mount mirrorless camera like Olympus PEN, OM-D series, Panasonic Lumix DMC-G1, G2, G3, G10, GX1, GH1, GH2, GF1, GF2, GF3, GF5, GH4, Panasonic AG-AF100 Mirrorless Digital Cameras, Black Magic Pocket Cinema Camera (BMPCC) 

hello Nikon-Nikon 1 fit for nikon AI/AF mount lens and nikon micro single camera body. it not fit for nikon DSLR camera ， could you pls pls let us know your lens and camera specific model? thanks 

Please note: our M42 adapter ring could not be suitable for Pentax Takumar Super Takumar Carl Zeiss M42 series（aperture pin does not fully depress, small tabs sticking out), as ours depresses the aperture pin all the way down