Do the Extra 20mm Really Matter? The Tamron 70-180mm F2.8 Review

The Tamron 70-180mm f2.8 is a weather-resistant telephoto zoom lens designed to be an affordable, compact, and lightweight alternative to Sony's own 70-200mm f2.8 G Master lens. It joins the Tamron 17-28mm f2.8 & the Tamron 28-75mm f2.8 to complete the third party lens manufacturer's own "Holy Trinity" zoom lens lineup for Sony E mount. The 70-180mm features many of the same design elements found in Tamron's other E mount offerings. These include moisture-resistant construction, accurate and qui...