Traditionally, decent image quality from a supertelephoto focal length costs a pretty penny, which is what makes the Sigma 150-600mm f/5-6.3 DG OS HSM, which costs less than $1,000, a particularly intriguing lens for many creatives. Can it offer performance and image quality that punch above that budget price, though? This excellent video review takes an in-depth look at what you can expect from the lens.