Tamron 28-75mm F2.8 Di III is a Fixed aperture Auto Focus (AF)
Standard Zoom lens with 35mm FF max sensor coverage, and it is designed to be used with
E Mount cameras.
What type of photography is the Tamron 28-75mm F2.8 Di III lens good for?
The type of photography that you are planning to use the Tamron 28-75mm F2.8 Di III is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Lenses in Sony E Mount with Same Focal and Aperture Range
Reasons to Buy Tamron 28-75mm F2.8 Di III RXD Lens
Here we've included a summary of the advantages and disadvantages of the Tamron 28-75mm F2.8 Di III RXD lens in a list form to help you determine whether it offers the features you need.
| Weather-sealed |
| Autofocus |
| Hood supplied |
| Full-time Manual Focusing |
| Fast Aperture at Wide end |
| Fast Aperture at Tele end |
| Constant f2.8 aperture throughout the range |
| Covers Full-Frame Sensor |
| Minimum focus distance of 0.19m / 7.5 inch |
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| Lens Extents while zooming |
Lens Mount
Tamron 28-75mm F2.8 Di III is compatible with cameras that have a Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7C Mark II, Sony A7CR and Sony A6700.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Tamron 28-75mm F2.8 Di III has a maximum diameter of 73mm and total length of 117mm when not extended. It weighs 550g / 19.4 oz.
Below you can find a scaled side-by-side image of Tamron 28-75mm F2.8 Di III and Tamron 28-75mm F2.8 Di III VXD G2 (Sony E mount) to get a better idea of how their sizes compare in real life. Check the detailed comparison of these two lenses here.
Comparison image of the Tamron 28-75mm F2.8 Di III and the Tamron 28-75mm F2.8 Di III VXD G2 Size and Weight
Tamron 28-75mm F2.8 Di III has a filter thread of 67mm. Below are links to the filters that we recommend you to consider for your Tamron 28-75mm F2.8 Di III:
Focal Range
Tamron 28-75mm F2.8 Di III has a focal range of 28-75mm and 2.7X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 42 - 112.5mm.
Weather Sealings
![https://cameradecision.com/lenses/img/other/Tamron-28-75mm-F2.8-Di-III-RXD-Sony-E-sealing.jpg]()
Weather Sealings of the Tamron 28-75mm F2.8 Di III
The Tamron 28-75mm F2.8 Di III is a weather-sealed lens, which provides extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have effective protection, you have to pair the Tamron 28-75mm F2.8 Di III with a weather-sealed camera body such as the Sony A7C Mark II, Sony A7CR and Sony A6700.
Tamron 28-75mm F2.8 Di III MTF Charts
Below you can find the MTF chart of Tamron 28-75mm F2.8 Di III which would give an idea of the its contrast and resolution from the center to its edges.
![https://cameradecision.com/lenses/img/other/Tamron-28-75mm-F2.8-Di-III-RXD-Sony-E-mtf-chart-1.jpg]()
MTF Chart of the Tamron 28-75mm F2.8 Di III
![https://cameradecision.com/lenses/img/other/Tamron-28-75mm-F2.8-Di-III-RXD-Sony-E-mtf-chart-2.jpg]()
MTF Chart of the Tamron 28-75mm F2.8 Di III
Zoom Method
Tamron 28-75mm F2.8 Di III features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Maximum Magnification Ratio
Tamron 28-75mm F2.8 Di III has a Max Magnification Ratio of 0.34x and has a minimum focusing distance of 0.19m. For a non-macro lens, the 0.34x is considered a high magnification and will come handy for close-up shots.
Below are the 3 Standard Zoom type Sony E mount lens alternatives with highest max magnification ratios:
Aperture
Tamron 28-75mm F2.8 Di III is a fixed aperture lens with a constant max aperture of f2.8 from 28mm all the way to the 75mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
28mm
|
F2.8 |
F22 |
|
75mm
|
F2.8 |
F22 |
![https://cameradecision.com/lenses/img/other/Tamron-28-75mm-F2.8-Di-III-RXD-Sony-E-optical-structure.jpg]()
Optical Construction of the Tamron 28-75mm F2.8 Di III
Lens Hood
Tamron 28-75mm F2.8 Di III comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Body Colour
Tamron 28-75mm F2.8 Di III is available in Black color.
Popular Comparisons of Tamron 28-75mm F2.8 Di III
Here are the eight most popular comparisons of the Tamron 28-75mm F2.8 Di III amongst Camera Decision readers.
Top Alternatives of Tamron 28-75mm F2.8 Di III Lens
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