Many games support both Geometry 3D (rendering everything twice) and Z-Buffer 3D, others only one of both methods. Whether G3D will be possible for BF4 and other games based on this graphics will be re-checked shortly.
To fix the zoomed in view you have to adjust the field of view (FOV). This is crucial for a good experience. In the best case vorpX can do this for you with its Game Settings Optimizer in the config app. If there is no entry in Optimizer for a game, you may either have to do it manually, use an external tool like Flawless Widescreen or use one of the othet methods/workarounds listed in the Essential Hints Guide in the help.