BASE jumping (Building, Antenna, Span, and Earth) is difficult to understand. Not the actual mechanics of the sport, but the mindset required to leap from impossibly high urban and rural areas without clearance from local authorities and often without warning. “Sunshine Superman” is a documentary about Carl Boenish, the man who essentially originated the pastime, tracking his development into a “freefall cinematographer” and focal point for the BASE movement. Director Marah Strauch has a lot of respect for Boenish, and this passion glows throughout “Sunshine Superman.” However, as an inspection of daredevil antics colliding with quasi-religious release, there are surprisingly few details about the man that contribute to a meaningful profile. Read the rest at Blu-ray.com