Tamron 17-35mm F2.8-4 Di OSD is a Variable aperture Auto Focus (AF)
Ultra-Wideangle Zoom lens with 35mm FF max sensor coverage, and it is designed to be used with
EF Mount cameras.
What type of photography is the Tamron 17-35mm F2.8-4 Di OSD lens good for?
The type of photography that you are planning to use the Tamron 17-35mm F2.8-4 Di OSD is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Reasons to Buy Tamron 17-35mm F2.8-4 Di OSD Lens
Here we've included a summary of the advantages and disadvantages of the Tamron 17-35mm F2.8-4 Di OSD 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 |
| Covers Full-Frame Sensor |
| Extreme Wide-angle capability |
| Minimum focus distance of 0.28m / 11.0 inch |
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| Lens Extents while zooming |
| Variable Aperture |
Lens Mount
Tamron 17-35mm F2.8-4 Di OSD is compatible with cameras that have a Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Tamron 17-35mm F2.8-4 Di OSD is also available in Nikon F (FX) mount.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Tamron 17-35mm F2.8-4 Di OSD has a maximum diameter of 84mm and total length of 93mm when not extended. It weighs 460g / 16.2 oz.
Below you can find a scaled side-by-side image of Tamron 17-35mm F2.8-4 Di OSD and Sigma 18-35mm F1.8 DC HSM (Canon EF 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 17-35mm F2.8-4 Di OSD and the Sigma 18-35mm F1.8 DC HSM Size and Weight
Tamron 17-35mm F2.8-4 Di OSD has a filter thread of 77mm. Below are links to the filters that we recommend you to consider for your Tamron 17-35mm F2.8-4 Di OSD:
Focal Range
Tamron 17-35mm F2.8-4 Di OSD has a focal range of 17-35mm and 2.1X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 27.2 - 56mm.
Weather Sealings
The Tamron 17-35mm F2.8-4 Di OSD 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 17-35mm F2.8-4 Di OSD with a weather-sealed camera body such as the Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Zoom Method
Tamron 17-35mm F2.8-4 Di OSD 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 17-35mm F2.8-4 Di OSD has a Max Magnification Ratio of 0.2x and has a minimum focusing distance of 0.28m.
Below are the 3 Ultra-Wideangle Zoom type Canon12 mount lens alternatives with highest max magnification ratios:
Aperture
Tamron 17-35mm F2.8-4 Di OSD is a variable aperture lens with a max aperture of f2.8 and a minimum aperture of f16 at 17mm, and a max aperture of f4 and minimum aperture of f22 at 35mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
17mm
|
F2.8 |
F16 |
|
35mm
|
F4 |
F22 |
Optical Formula
Tamron 17-35mm F2.8-4 Di OSD's optical formula consists of 15 elements in 10 groups . Following special elements are used in this design:
- LD/GM elements
- BBAR/fluorine coatings
Lens Hood
Tamron 17-35mm F2.8-4 Di OSD comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Body Colour
Tamron 17-35mm F2.8-4 Di OSD is available in Black color.
Popular Comparisons of Tamron 17-35mm F2.8-4 Di OSD
Here are the eight most popular comparisons of the Tamron 17-35mm F2.8-4 Di OSD amongst Camera Decision readers.
Top Alternatives of Tamron 17-35mm F2.8-4 Di OSD Lens
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