Manual focus for C270, Logitech C270 focus adjusment - YouTube
Tech-America.com
Amazon.com: Logitech C270 HD Webcam for Education, HD 720p/30fps, Widescreen HD Video Calling, HD Light Correction, Noise-Reducing Mic, for Skype, FaceTime, Hangouts, WebEx, PC/Mac - Grey : Electronics
logitech c270 adjustable focus mod by" 3D Models to Print - yeggi