Sunday: Sigma 100-400/5-6.3 DG OS HSM Contemp (C/N) for $549, AquaTech, SpyPoint, Acorn, Etc

It’s a bird, it’s a lens! Among the Sunday quartet of B&H Photo daily deals, the headliner is a Shiguma zoom lens of the CaNiKon kind:

+ Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary for $549 in Canon EF or Nikon F

+ AquaTech AxisGO Water Housing for iPhone 7 or 8 (Seashell White) for $79

+ SpyPoint LINK-DARK Cellular Trail Camera (Verizon Data Plan) for $250

+ Acorn Masterkey 25 – USB MIDI Controller for $35