Just bought one of these bad boys:
http://www.eotech-inc.com/products/sights/eolad-1v
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Hoping to compare it against the Aimpoint I got, but I am a sucker for lasers so it probably won't be fair.
Aimpoint Comp M2 > Laser... IMHO anyway. I prefer red-dot over laser.
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Purchased the Canon 24-70mm 2.8L II recently.... to go along with it's companions Canon 70-200mm 2.8L II, Canon 50mm 1.2L, and Canon 14mm 2.8L.