In the 35mm format, a 28mm lens is ideal for landscape shots, groups and architecture. With a f/2.5-22 aperture range and a minimum focus distance of just nine inches, this inexpensive lens is a lightweight and inexpensive addition that takes sharp pictures. .
Tamron Adoptall Lenses are avaible for a large vareity of 35mm cameras.Allowing a person having 2 or more different camera systems to used the same lens on all of them by changing the adoptall camera mounts.