A:AnswerThe camera does not effect how you see everyone else on your call. This is a function of the software and or other participants camera. However, if you are trying to get more people in one location to be seen this camera would be a good choice with its wide viewing angle.
A:AnswerIt has a built in microphone but I don't believe it has built in speakers. However, any type of speaker or headphone/earbuds plugged into your device should give you the sound.
A:AnswerWhen clamped on the top of some monitors it may not stay tight. So far I've not had that problem. Attach to Tripod for computer video cameras to keep that from happening.
A:AnswerI thoroughly searched the instructions and it does not say focal length and speed. You can turn the front of the lens to fine tune focus. Here is some technical support info that you can use to (hopefully) extract the answer from Aluratek:
E-Mail: [email protected]
Web: www.aluratek.com/helpdesk
Local (Irvine, CA): 714-586-8730
Toll Free: 1-866-580-1978
Hope this helps.