USB Webcam Viewing Angle Review - Logitech BCC950, Tely Labs telyHD Pro, VDO360 VPTZH-01, InFocus RealCAM & Vaddio Cleaview. We compare webcam viewing angles, pricing, optical zoom and more. Logitech BCC950 viewing angle is 78 compared to the VDO360 VPTZH-01 which is 43. The Vaddio ClearVIEW has 19X zoom compared to the VDO360 VPTZH-01 which has 12X, versus the InFocus RealCAM which has 10X.