Gear & Reviews Camera Reviews Sigma SD-9 It's the least expensive digital SLR and the first one with the highly touted Foveon X3 chip. Does it add up? By Michael J. Mcnamara | Published Dec 17, 2008 7:02 AM Gear & Reviews SHARE Download our Sigma Camera Test -requires Adobe Acrobat Reader >> HOT DEALS! Compare Prices Camera Reviews DSLRs cameras gear sigma Tested Reviews MORE TO READ RELATED Save up to $50 on Moment camera bags right now Moment's entire line of camera bags is on sale, from small slings to large hiking packs. READ NOW RELATED Ricoh GR IIIx review: a delightful and capable pocket camera Sporting a sharp 40mm f/2.8 lens, an impressive 24-megapixel APS-C sensor, and a legendary design, the Ricoh GR IIIx is easily one of our favorite truly pocketable cameras. RELATED Best thermal imaging cameras in 2022 Even the best thermal imaging cameras aren’t always suitable for every job.