I'm a bit confused on load capacity and ball heads. From my research, some ball heads such as this one http://www.bhphotovideo.com/c/product/554685-REG/Kirk_BH_3_BH_3_Ballhead_with_Quick.html have a respectively light weight capacity (15lbs for Kirk BH-3 - rated for an SLR with zooms attached) and is priced at $285. Others, such as this one http://www.bhphotovideo.com/c/product/834491-REG/Induro_479_022_BHL2_Ball_Head.html have an outrageously high weight capacity (66lbs for the Induro and priced similarly). With the Induro, why would anyone ever need a 66 pound weight capacity and how is that even possible with a 1.1lb ball head? Secondly, why such a huge discrepancy between the two? Kirk only makes a few ballheads and their load capacities are no where near Induro. I mean, a Hasselblad with a 50mm lens (which would be my max weight) weighs no more than maybe 5-6 pounds. What am I missing? Thanks!