Offering the unique mixture of an all-in-one zoom range and a fast design, the 28-200mm f/2.8-5.6 Di III RXD from Tamron is a wide-to-super-tele zoom distinguished by its bright f/2.8 maximum aperture at the wide end of the zoom, along with its sleek and portable design. A series of specialized elements are used to maintain high sharpness and clarity throughout the zoom range. Benefitting the optical design is an RXD stepping motor, which enables quick, near-silent autofocus performance to suit stills and video, along with full-time manual focus override and a minimum focusing distance of 7.5". Suiting this lens's use in harsh climates, it also sports a moisture-resistant construction along with a fluorine-coated front element to protect against fingerprints and smudging.
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- Full-Frame Format | f/2.8 to f/32
- RXD Stepping AF Motor
- Moisture-Sealed Design, Fluorine Coating
- Rounded 7-Blade Diaphragm
Tamron 28-200mm f/2.8-5.6 Di III RXD Overview
Tamron 28-200mm f/2.8-5.6 Di III RXD Specs
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Tamron 28-200mm f/2.8-5.6 Di III RXD Reviews
Probably the best super zoom in the market
I use this lens on my Sony A7CR. Image quality is excellent throughout the range. What sets this lens apart from other super zooms is the 2.8 aperture at the wide end, and how the open aperture maintains quite a bit into zooming. At 105mm this lens is still a 4.0. The only thing I wish it had better would be a faster AF motor. AF is super accurate but a bit on the slower side. I am uploading 6 photos of Sintra in Portugal that I made with this lens. I have reduced from quality from 62 MP to 3 MP on average. Incredible detail and image quality can be achieved with this lens. Well done Tamron.
More like 3 lenses in 1 than a zoom. Like, don't love, it.
I like it, I don't love it. Compared to a Sony G FE 20-70 and 200-600 or even a non G Sony 50mm FE macro, it's simply not as crisp. I feel like the result is like shooting with a cropped sensor. But, for hikes where I don't want to lug the monster 200-600 and want good telephoto reach, this is a nice and versatile lens. If I'm going where I can haul my multiple lenses or I know I'll be shooting only certain types of photos, this stays at home. Focus tends to be softer than the Sony lenses throughout the zoom range. I find the upper range to be *quite* soft focus. It's simply not as sharp a focus as even putting an APS-C 70-200 Sony on my A7 III camera. Attached lizard photo has been cropped (and shrunk for file size limits) was shot at 200mm, 1/5000, f/8, ISO 1000. It's acceptable but I feel it is not as tightly in focus as it would have been. Particularly, the head is less sharply focused and feels more like I shot it at f/6. The bird (not cropped, but shrunk) is 200mm, 1/1000, F7.1, ISO 640. Zooming in, the feathers just aren't as crisp as I'd expect with other lenses I own. Both nice shots, just not great shots. The sign photo feels better to me - 28mm, 1/4000, f/7.1 and ISO 1250. It was a quick snap so I remembered the trail, not really a composed shot, and yet it feels crisper. And that's why I say this is 3 lenses in 1. In addition to focus being crisper at lower zooms, both max aperture and minimum focus distance really change as you zoom. At 28mm, you can get in close and get the f/2.8. At 200mm, you need to step back quite a way (I feel it's well 20) to focus and you only get f/5.6. That sounds like complaints, but I got shots I would not have gotten if I had to lens swap. That's the main feature you're getting with this lens: it's a decent wide to an ok telephoto and it comes at a cost far lower than the Gs I lauded above. It's a memory maker, not a contest winner.