Century Precision Optics (owned by Schneider Kreuznach).B+W Filterfabrik (owned by Schneider Kreuznach).Manufacturers of cameras or lenses and filters
Note that many optical instruments such as microscopes, telescopes, spotting scopes and so forth can be used as photographic lenses manufacturers of these types of equipment are not included here (unless they also make more conventional photo gear). Some camera companies make no lenses, but usually at least sell a lens from some lens maker with their cameras as part of a package. A few companies are only in the lens business. Some lens makers have cameras made to sell under their own brand name. Some camera makers design lenses but outsource manufacture. Some camera manufacturers sell lenses made by others as their own, in an OEM arrangement. There is not a very clear distinguishing line between camera producers and lens producers many companies do both, or have done both at one time or another. Note that producers whose only presence in the photo industry at any time has been the manufacture of digital cameras ( Logitech, for example, which has made Webcams) are listed separately on the List of digital camera brands. 5 List of semiconductor sensor makers or designers.4 List of darkroom equipment manufacturers.3 List of photographic film, paper & chemistry brands and manufacturers.1.3 Former producers of cameras or lenses and filters.1.2 Former producers of film cameras who now make digital cameras.1.1 Manufacturers of cameras or lenses and filters.