possibile fuoco manuale fino a 27 cm di distanza con focale a 70mm e con ingrandimento 0.5x
0.22x (equiv. in 35mm)
3 asferici, 5 a bassa dispersione, 1 a dispersione extra bassa
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With activated image auto-correction, it is capable of producing beautiful results. It's very sharp across the image frame in the lower to mid-range and at least the center sharpness is very impressive at 180mm. Image distortions are nicely corrected and there's just a tad of vignetting at f/2.8 in this case. Lateral CAs are also well controlled [...] Out-of-focus highlights can be a bit busy[...] The build quality is on a very decent level.
Dustin Abbott Tamron has managed to reinvent the popular 70-200 f2.8 with a smaller, lighter, and yet high performing lens in the Tamron 70-180mm F2.8 VXD for Sony full frame mirrorless. It is very sharp from F2.8 on. [...] It has incredibly fast, accurate autofocus [...] The lens isn’t as feature rich as competitors, but it delivers on the most important elements of focus and optical performance.
Sony Alpha Blog [Test on 61 Mp camera] It delivers similar performances to the Sony FE 70-200 F2.8 GM in most cases and even surpass it sometimes (corner sharpness and sharpness at 180mm, portability) at half of its price. A superb Performance!
Obiettivo Tamron 70-180mm F/2.8 Di III VXD (per Sony E)