![Amazon.com: ALPCAM USB Camera 8MP Webcam HD 5-50mm Manual Variable Focus Lens Camera High Resolution 2448P Zoom Camera PC Laptop Computer Camera for Mac/Windows/Linux/Android,Support OPENCV for Video Conference : Electronics Amazon.com: ALPCAM USB Camera 8MP Webcam HD 5-50mm Manual Variable Focus Lens Camera High Resolution 2448P Zoom Camera PC Laptop Computer Camera for Mac/Windows/Linux/Android,Support OPENCV for Video Conference : Electronics](https://m.media-amazon.com/images/I/612g+qYvVCL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: ALPCAM USB Camera 8MP Webcam HD 5-50mm Manual Variable Focus Lens Camera High Resolution 2448P Zoom Camera PC Laptop Computer Camera for Mac/Windows/Linux/Android,Support OPENCV for Video Conference : Electronics
![Philips' fluid Lenses Bring Things into Focus; Unique Variable-Focus With No Mechanical Moving Parts Philips' fluid Lenses Bring Things into Focus; Unique Variable-Focus With No Mechanical Moving Parts](https://scx2.b-cdn.net/gfx/news/2004/fluidfocus_scheme-2972.gif)
Philips' fluid Lenses Bring Things into Focus; Unique Variable-Focus With No Mechanical Moving Parts
![Amazon.com : Long-Range 650mm-2600mm f/8 Telephoto Zoom Lens for Nikon DF, D3100, D3200, D3300, D5000, D5100, D5200, D5300, D5500, D7000, D7100, D7200, D300s, D600, D610, D700, D750, D800, D800e, D810, SLR Cameras : Amazon.com : Long-Range 650mm-2600mm f/8 Telephoto Zoom Lens for Nikon DF, D3100, D3200, D3300, D5000, D5100, D5200, D5300, D5500, D7000, D7100, D7200, D300s, D600, D610, D700, D750, D800, D800e, D810, SLR Cameras :](https://m.media-amazon.com/images/I/61QvJY-fIgL.jpg)