Sorry - I am not sure about the other cams. Scope mods will adjust fov for some.
TDW did some work on cams for his UI mod (gave an extra free cam and zoom from avatar). Perhaps he may come back soon and offer some help.
You should try and PM elanaiba, he would know how to help you.
http://www.subsim.com/radioroom/member.php?u=214931
