Sony's NEW 100-400mm lens! Could this replace my 200-600mm?

Go to http://squarespace.com/Chelsea & save 10% off your first website or domain with code “Chelsea" See me review the Sony a7rVI on my NEW channel: https://www.youtube.com/watch?v=lDgBiPDWWys Chelsea Northrup Mercado reviews the new Sony 100-400mm f/4.5 lens and tests it on wildlife photography, a simulated sports situation, and test charts. Chelsea compares the lens to the Sony 200-600mm f/5.6-6.3 to see which is sharper, uses a 1.4x TC, and figures out if this lens can hold up when put under photographys most stressful shooting conditions!