Wikipedia:Articles for deletion/Sigma 19mm f/2.8 DN Art
Wikipedia is |not a catalog of every product which is offered for sale.   Most lenses and cameras which have been offered for sale in the last hundred years or so have had some reviews in photo magazines or in recent years in websites. Coincidentally, those same magazines often received ad revenue from the makers of the products they reviewed and the websites which reviewed camera products  typically had "click to buy" or a "shopping" tab, making it questionable whether they are "independent
— User:Edison, 02:28, 6 July 2017 (UTC)
Stance: delete
Cited policy: WP:NOT (Wikipedia:What Wikipedia is not)