Tamron 28-75mm Di III RXD FE vs Sony FE 24-70mm F2.8 GM

image courtesy of Photosku

Photosku published the specs of the Tamron 28-75mm Di III RXD FE compared to the Sony FE 24-70mm F2.8 GM, which Tamron says it’s designed to compete against. For the first time in a long time, I am very interested in picking up a Tamron lens, but it will have to live up to the hype. the Tamron 28-75 will have to get very close to Sony FE 24-70 performance at half the price to justify all the attention it’s getting today, otherwise, it will be another 3rd party lens sitting on store shelves not selling, because first party lenses are generally better.

product name Tamron 28-75 mm F / 2.8 Di III RXD (Model A 036) Sony FE 24 – 70 mm F 2.8 GM (SEL 2470 GM)
Release date To be determined April 28, 2016
price To be determined About 230,000 yen
mount Sony E
series Di series G Master Series
type zoom
sensor Full size
Lens type Mirror less
Focal length 28 – 75 mm 24 to 70 mm
Focal length on APS-C machine (converted to 1.5 times) 42 – 112.5 mm 36 – 105 mm
auto focus
AF motor Stepping motor RXD (Rapid eXTRA-silent stepping Drive) Direct drive SSM (DDSSM)
Manual focus ○ (Direct manual focus DMF compatible)
Aperture F 2.8 F 2.8 to 22
Number of diaphragm blades Unpublished 9 sheets
Lens configuration Unpublished 13 groups 18 sheets
Lens configuration Unpublished One very high aspherical XA (extreme aspherical) lens, two aspheric lenses, one ED (special low dispersion) glass, one super ED glass
coating Unpublished Nano AR coating
Fluorine coating Unpublished
Shortest shooting distance Wide end: 0.19 m, Tele end: 0.39 m 0.38 m
Maximum shooting magnification Unpublished 0.24 times
Angle of view Unpublished 84 – 34 °
Filter size Unpublished 82 mm
Hooded Unpublished Floral bayonet type ALC-SH 141
Image Stabilizer
Teleconverter Unpublished
Lens button Unpublished Focus hold button, focus mode switch (AF / MF selector switch), zoom lock switch
Dustproof and drip-proof structure Simple drip-proof structure, antifouling coat Consideration designed
Maximum diameter Unpublished 87.6 mm
length 117.8 mm 136 mm
weight 550 g 886 g

via Photosku

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