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alaTest has collected and analyzed 51 reviews of Canon EF 400mm f/5.6L USM. The average rating for this product is 4.6/5, compared to an average rating of 4.4/5 for other products in the same category for all reviews. Reviewers really like the reliability and size. The design and price also get good comments, but many are critical about the usability.
price, design, size, reliability
usability
On average, users rate this product 92/100.
Consumer review (amazon.com)
alaTest has collected and analyzed 34 user reviews of Canon EF 400mm f/5.6L USM from Amazon.com. The average user rating for this product is 4.6/5, compared to an average user rating of 4.3/5 for other products in the same category on Amazon.com. Reviewers really like the reliability. The design is also mentioned favorably.
price, design, reliability
94% of the reviews on Amazon.com give this product a positive rating.