Tamron built its name by squeezing more range into less bag space. Its newest ultra-wide lens shows how a 13-person polishing shop became the Americas’ quiet alternative to camera-brand glass - and what builders can copy from the journey.
Sigma makes every lens it sells in one snowy Japanese town, sells them for a fraction of the big brands, and just carved a camera out of a solid block of aluminum. Here is how the underdog of optics built a loyal following from a warehouse on Long Island.