FAQ Technical

Why are some Tamron lenses not available for my Sony A mount camera (A350, A77, A99)?
The Mirrorless camera market has grown in recent years, especially with developments from Sony of their E mount camera system. This has resulted in a declin...
Mon, 11 Nov, 2019 at 2:00 PM
Can I use my 35mm conventional lens on my digital camera?
We do not recommend the use of conventional (analog) Tamron lenses on digital SLRs, as the resulting image quality does not meet the accustomed high quality...
Tue, 6 Aug, 2019 at 2:32 PM
Are Tamron lenses compatible with Full-Frame and APS-C sensor digital SLRs?
The designation “Di” (Digitally Integrated Design) marks a generation of lenses, which have been specially adapted to the requirements of digital SLR camera...
Tue, 6 Aug, 2019 at 2:37 PM
Firmware Updates for Tamron Lens Compatibility with Nikon Z6/Z7 with the FTZ Adapter
Firmware versions are now available for the Tamron models listed below. The new firmware versions make the models compatible with Nikon Z6/Z7 with the FTZ a...
Mon, 11 Nov, 2019 at 1:14 PM
High power zoom lenses such as 18-270 or 16-300 seem to cover angles of view wider than those covered by equivalent telephoto lenses. I suspect the focal lengths at the telephoto ends might actually be shorter than designated.
High power zoom lenses use Internal Focus ( IF) systems to shorten the Minimum Focus Distance. When an IF system is used in the optical system of a lens wit...
Tue, 12 Mar, 2019 at 4:15 PM
When I use Tamron’s 90mm macro lens as well as some other lenses, the open aperture value displayed on the camera is smaller than designated on the lens. Is my lens defective?
The 90mm macro lens is designed to extend its front group largely toward the subject in close-up macro photography. In that situation, the amount of light r...
Tue, 12 Mar, 2019 at 4:16 PM
Where can I see sample pictures taken with the various Tamron lenses?
Transcontinenta as importer of Tamron has a very large Flickr account where numerous high res sample pictures have been taken with all Tamron lenses. These ...
Sat, 27 Apr, 2019 at 4:29 PM
Is there a difference between the designated macro on the Tamron 90mm macro lens and a zoom lens?
Tamron puts the macro designation on all lenses that have a maximum close-up capability of 1:4 (0.25x) or larger, regardless of the lens type. However, ther...
Sat, 27 Apr, 2019 at 5:15 PM
Can the depth of field of my lens be adjusted?
The depth of field is an optical characteristic of a lens and cannot be changed or adjusted. It depends exclusively on the focal length, aperture, subject...
Tue, 12 Mar, 2019 at 4:18 PM
Where can I find an overview of all the Tamron lens firmware updates?
You can always find the latest news on firmware updates for the Tamron lenses on the Tamron Europe website: https://www.tamron.eu/service/service-news/ ...
Thu, 1 Aug, 2019 at 10:36 AM