It is totally compatible with the two APS-C and full-frame DSLRs.
Broadly, we anticipate long telephoto zooms to become big and awkward. This past year, however, Sigma bucked this trend with the statement of this 100-400mm f/5-6.3 DG OS HSM | C. It was intended for enthusiastic amateurs and aspiring fans who wish to have close to distant areas, but without needing to splash out over1000 for the privilege.
The Sigma 100-400mm f/5-6.3 DG OS HSM | C became an immediate hit, both with its intended audience and full-frame users that enjoyed the concept of having a lightweight and flexible telephoto zoom for travelling and basic usage.
Ever since that time, Tamron has established its version in the shape of the 100-400mm f/4.5-6.3 Di VC USD, together with the idea much the same because its Sigma rival. However, with just subtle differences between both, that’s the ideal option?
Unlike its Sigma competition, with a maximum aperture of f/5 in the widest end and f/6.3 at full telephoto, this lens is still a third of a stop quicker at 100mm and includes a changeable aperture of f/4.5-6.3. When you place the lens to the maximum aperture of f/4.5 and progress throughout the zoom range, it sticks into f/5 only beyond 135mm and f/5.6 in 180mm.