If you recall from the primary controls segment from lolgaroket's blog

Free look is another crucial one. If you recall from the primary controls segment, there are three motion speeds in EFT Roubles Escape From Tarkov: the default walking velocity, the slower strolling pace you could toggle with Caps Lock, and sprinting, which you can toggle with Shift. 

You can't dash even as strafing, so your area of view is limited to what's in the front of you--but through conserving down the middle mouse button while shifting, you can freely go searching. Currently, your free look range remains quite narrow, but it does allow you to quick glimpse blind spots at the same time as in a rush. You may even use unfastened look at the  lolga.com same time as scoped in so you're not absolutely blind to short-variety threats at the same time as sniping.