Visa 13.3 turns on whether what the merchant promised matched what the customer ordered. Photo evidence of the delivered item is rarely as useful as the product description on the page where the customer clicked buy.
Visa 13.3 (not as described or defective merchandise) is filed when the cardholder says they received the goods but the goods were not what they expected. The merchant's instinct is to defend the quality of what they sent (photos of the item, manufacturing records, inspection notes), but issuers reading 13.3 cases are not adjudicating quality. They are checking whether what the merchant promised matched what the customer ordered.
The decisive evidence is the product page as it existed on the day of purchase, the customer's prior orders of similar items (which establish what they reasonably expected), and the customer-service trail before the dispute was filed (which captures whether the merchant addressed any concerns). Photo evidence of the delivered item is supporting material. An issuer can read whether a cardholder complaint and a merchant product description match; they are less equipped to adjudicate the goods themselves.
Winning 13.3 cases requires archiving product pages at the point of purchase (most platforms do not do this; a short script that captures the rendered page when an order is placed gives the merchant the exhibit they will need months later), matching disputed orders against prior order patterns, and keeping the support trail in a system referenceable from the order record. The defence built this way wins 13.3 disputes that look unwinnable on the goods alone.