The Tamron 70-300 VC will work best in this regard when shooting a subject that remains a near-constant distance from the camera under a healthy level of daylight. A slider controls the focusing range to switch between Normal and Macro, which is available only at longer focal lengths and delivers a maximum magnification of 0. Centre-sharpness is outstanding in the short half of the zoom range and still very good in the 200-300mm sector. As with blur though, chromatic aberration becomes quite pronounced at 300mm, particularly in the corners of the frame.

Tamron lens causing errors at extreme focal lengths Tamron lens causing errors at extreme focal lengths

The Tamron lense on the other hand can be converted from zoom telephoto to zoom macro quickly (see below! The Tamron has modestly less flare, less barrel distortion at 70mm and modestly less pincushion distortion at 300mm. The apparent image compression and the close-up effects characteristic of telephoto lenses naturally amplify photographic expression. The macro facility is available in the 180-300mm focal length range, via a switch on the lens barrel, and offers a maximum 0. I've used nearly every digital camera system under the sun, but for my personal work, I love the slow-paced nature of large format film.There's once again very slight barrel distortion at 70mm, but that quickly changes to rather pronounced pincushion distortion as you zoom. com is a leading authority on technology, delivering lab-based, independent reviews of the latest products and services.

Tamron 70-300mm f4.5-6.3 Di III review | Cameralabs Tamron 70-300mm f4.5-6.3 Di III review | Cameralabs

However, they kept the build quality at a pretty high level, and the size and weight of the lens are exactly right.zoom-range the Tamron 70-300 covers angles of view from 37 degrees to 8 degrees (diagonally) and extends the reach of a standard 24-70mm (or 28-75mm) zoom nicely and without gap.