Affectionately called the "Sigmonster" by fans, this unique supertele zoom gives a lot of reach for dayside sports, wildlife and action photography. Jack and Mason set their sights on wolves, elk, buffalo and penguins in this TechTock video field test.
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Mason and I had a great time at the Turtleback Zoo making this video. Also visit the zoo on Facebook!
Got any suggestions or requests for upcoming video field tests? Let us know!