FAQ Technical

Why is there no Tamron lens for sale anymore for my Sony A mount camera (A350, A77, A99)?
Considering the worldwide sharp decline in the number of users of Sony cameras with the A mount during the past years, it is no longer profitable for Tamron...
Sat, 27 Apr, 2019 at 4:22 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
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
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
I have noticed that a different section of the image to the one I wanted to focus on is in sharp focus in my photographs. What is the reason for this?
There is probably a front/back focussing issue with your combination of equipment. If your camera has already been checked and aligned by the manufacturer...
Tue, 12 Mar, 2019 at 4:19 PM
Can I use the VC of the 150-600 when taking panning shots of moving subjects?
Thank you for using our well-acclaimed Telezoom SP 150-600mm F/5-6.3 Di VC USD. This lens is a high quality Super Performance-Telezoom for various types o...
Tue, 12 Mar, 2019 at 4:20 PM
Does autofocus of my Tamron lens operate properly in live view mode when used with the Canon EOS 760D or EOS 750D?
Thank you for using Tamron lenses. We are pleased to advise you that we will start a firmware update service for the following canon mount models to allow ...
Tue, 12 Mar, 2019 at 4:23 PM