Review: It’s hard to think of a better option for a photographer looking for an all-around, do-everything lens at this price than the Tamron 50-400mm f/4.5-6.3 Di III VC VXD.
seems like Frankenstein’s monster of lenses. Super-telephoto lenses that provide a relatively wide focal length are uncommon and generally awful. Making a lens with such a wide range of focal lengths is complicated, yet Tamron made one that performs well across the zoom range.
When at the shortest focal length, the Tamron 50-400mm measures just 7.2 inches and is about 13 inches when fully extended. Tamron states the weight at 40.7 ounces without the tripod mount and 44.1 ounces with it. You’d think it would be an issue to sell the tripod mount as an accessory, but the lens is light enough to mount it to a camera on a tripod without any problems.
Wildlife photographers often set the zoom to the correct length while waiting for an animal to arrive. If you set the focal length to anything but 50mm, you can’t lock the lens, and if you walk around, the lens will eventually “creep,” meaning it will change focal lengths as gravity pulls the extending barrel downward. A zoom lock is appreciated, but it would have been most helpful to lock anywhere in the range.
This macro capability would be useless if it weren’t for the superb macro autofocus with the Tamron 50-400. I used to photograph macro with the Canon 1x-5x super-macro lens, a fully-manual lens with a very short focus area. The macro images I got from this lens were the best I’ve seen in any lens, but the manual focus and small focus area meant I usually had to move my body back and forth to get something in focus.
The f/4.5 minimum aperture means that backgrounds will be more in focus than a 50mm f/2.8 or wider lens, but by simply increasing the distance between the subject and background a bit, the f/4.5 setting creates a nice, soft bokeh in the background.
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