First Impressions - Tamron 150-600mm F5-6.3

A few weeks ago I bought the new Tamron 150-600mm f5-6.3 Di VC USD lens to use on my Canon 5D Mark III. I mainly shoot landscape and nature photography, and this lens was an upgrade from my Canon 300mm F4 L lens mainly for use on birds and other wildlife. The zoom range may also come in useful for me for more distant storm and lightning photography.

I was nervous to try out the new Tamron lens…