Tamron 17-70 F2.8 Di III-A VC is a Fixed aperture Auto Focus (AF)
Standard Zoom lens with Optical Image stabilization and APS-C / DX max sensor coverage, and it is designed to be used with
X Mount cameras.
What type of photography is the Tamron 17-70 F2.8 Di III-A VC lens good for?
The type of photography that you are planning to use the Tamron 17-70 F2.8 Di III-A VC is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Reasons to Buy Tamron 17-70 F2.8 Di III-A VC RXD Lens
Here we've included a summary of the advantages and disadvantages of the Tamron 17-70 F2.8 Di III-A VC RXD lens in a list form to help you determine whether it offers the features you need.
| Optical Image Stabilization |
| Weather-sealed |
| Autofocus |
| Hood supplied |
| Fast Aperture at Wide end |
| Fast Aperture at Tele end |
| Constant f2.8 aperture throughout the range |
| 9 Diaphragm Blades for Smooth Bokeh |
| Minimum focus distance of 0.19m / 7.5 inch |
Report a correction
Buy Tamron 17-70 F2.8 Di III-A VC from Amazon or B&H PHOTO
| Lens Extends while zooming |
Lens Mount
Tamron 17-70 F2.8 Di III-A VC is compatible with cameras that have a Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-S20, Fujifilm X-T5 and Fujifilm X-H2.
Tamron 17-70 F2.8 Di III-A VC is also available in Sony E mount.
Check Our latest Video Lens Review - Don't forget to Subscribe!
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Tamron 17-70 F2.8 Di III-A VC has a maximum diameter of 75mm and total length of 119mm when not extended. It weighs 525g / 18.5 oz.
Below you can find a scaled side-by-side image of Tamron 17-70 F2.8 Di III-A VC and Fujifilm XF 16-80mm F4 R OIS WR (Fujifilm X 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 17-70 F2.8 Di III-A VC and the Fujifilm XF 16-80mm F4 R OIS WR Size and Weight
Tamron 17-70 F2.8 Di III-A VC has a filter thread of 67mm. Below are links to the filters that we recommend you to consider for your Tamron 17-70 F2.8 Di III-A VC:
Focal Range
Tamron 17-70 F2.8 Di III-A VC has a focal range of 17-70mm and 4.1X zoom ratio which has a 35mm equivalent focal range of 25.5-105mm when used on a APS-C / DX format camera.
Weather Sealings
![https://cameradecision.com/lenses/img/other/Tamron-17-70-F2.8-Di-III-A-VC-RXD-X-Mount-sealing.jpg]()
Weather Sealings of the Tamron 17-70 F2.8 Di III-A VC
The Tamron 17-70 F2.8 Di III-A VC 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 17-70 F2.8 Di III-A VC with a weather-sealed camera body such as the Fujifilm X-T5, Fujifilm X-H2 and Fujifilm X-H2S.
Optical Image Stabilization
The Tamron 17-70 F2.8 Di III-A VC features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Zoom Method
Tamron 17-70 F2.8 Di III-A VC 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 17-70 F2.8 Di III-A VC has a Max Magnification Ratio of 0.21x and has a minimum focusing distance of 0.19m.
Below are the 3 Standard Zoom type Fujifilm X mount lens alternatives with highest max magnification ratios:
Aperture
Tamron 17-70 F2.8 Di III-A VC is a fixed aperture lens with a constant max aperture of f2.8 from 17mm all the way to the 70mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
17mm
|
F2.8 |
F22 |
|
70mm
|
F2.8 |
F22 |
Optical Formula
Tamron 17-70 F2.8 Di III-A VC's optical formula consists of 16 elements in 12 groups . Following special elements are used in this design:
- 1 aspherical
- 2 glass-molded aspherical elements
Lens Hood
Tamron 17-70 F2.8 Di III-A VC comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Body Colour
Tamron 17-70 F2.8 Di III-A VC is available in Black color.
Popular Comparisons of Tamron 17-70 F2.8 Di III-A VC
Here are the eight most popular comparisons of the Tamron 17-70 F2.8 Di III-A VC amongst Camera Decision readers.
Top Alternatives of Tamron 17-70 F2.8 Di III-A VC Lens
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate, I earn from qualifying purchases.