Reviews and Problems with Sigma APO 300-800mm F5.6 EX DG HSM
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REVIEW: Sigma 300-800mm f/5.6 EX DG HSM
29 September 2006
Conclusion: This is a specialist lens, which only comes into its own in the fields of sports and wildlife photography and possibly some aviation uses. However, once it is in a situation where it is comfortable, there is not a lot that can touch it. With converters, it can match the focal lengths achieved by Digiscoping with an enormous leap in quality.
Pros: Excellent picture quality, Astonishing focal range., Fast and silent autofocus., Good price for the capabilities.
Cons: Big and heavy., Could benefit from a focus limiter, Closest focus at 6m is a bit far, Case leaves a lot to be desired.
Excerpt: Get used to talking in superlatives with the Sigma 300-800 f/5.6 EX APO HSM AF (Street: $6,200), affectionately called the "Sigmonster" by photo enthusiasts. The Sigmonster is the longest zoom lens for 35mm-based cameras. At 12.9 pounds, it is also the heaviest production lens for 35mm-based photography. At 26 inches long, with lens hood, and a maximum diameter of 6.5 inches, it's not so much big as it is gigantic.