The Sony 70-400mm has an average review score of 85%

Score (%):
Sony 70-400mm f/4-5.6G SAL-70400G (Tested)
Multiple user reviews on slrgear.com
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90

Sony 70-400mm f/4-5.6 SSM G
The Sony 70-400mm f/4-5.6 SSM G is an impressive piece of engineering. The resolution figures are very good across the zoom range. Lateral CAs, vignetting and distortions are generally very well controlled and not field relevant.
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80