20 Most Recent Tamron Zoom Telephoto AF 70-300mm f/4.0-5.6 LD Macro Autofocus Lens for Canon EOS Questions & Answers


The most likely cause for this is stripped gears within the lens.This will require complete disassembly to repair and can be done fairly inexpensively. However, it's not really a user serviceable problem and should be done by a qualified service technician.

My name is Rick and I'm a professional repair technician with over 20 years in the business and have repaired many of these. I'm semi retired and work from home with little overhead so I can keep repair costs low. If you decide to have the camera repaired, please click HERE for a directory listing that suits your needs.

If this response has been of any help to you, please be sure and give a positive vote for me on FixYa.com.

Tamron Zoom... • Answered on Oct 17, 2011


Actually you are doing really well cause the Tamron specifications for that lens is 1.5m translated into real numbers that's 4.92 feet. If you want some serious macro let me suggest the Canon 100mm F2.5 Macro lens it's not all that bad for price unless you get the IS version then it's out of the park well sort of. Most of my macro work is done on a tripod anyway so the IS is a waist for me.

Here is a review on that lens.

http://www.fredmiranda.com/reviews/showproduct.php?product=47

Also is you are using the APS size sensor there is a focal factor of 1.6 so the 100mm lens just grew to 180mm and twice as fast as your Tamron. Cheers

Tamron Zoom... • Answered on Jan 07, 2011


This is usually a torn flexible circuit or binding aperture in the lens. It'll have to go to a repair shop for replacement. About a $80 job.

Tamron Zoom... • Answered on Mar 17, 2009


Set up focus point using autofocus, then set camera to manual focus before attaching filter, and be careful not to move focusing ring.

Tamron Cameras • Answered on Jan 22, 2020


First, I'm not a TAMRON Tech. * Check your warranty and call for service. * Ah, Found this on you tube. (VERY Technical!) https://www.youtube.com/watch?v=o9dvQmVAhK0 * Strongly suggest you have this lens serviced. Aloha, ukeboy57

Tamron Cameras • Answered on Jul 02, 2018


You'll need to send it to a lens repair service. Do not attempt to disassemble the lens yourself; you'll only make the problem worse and may damage the lens beyond repair.

Tamron Cameras • Answered on Apr 13, 2018


This is a bit off the wall, I know, but have you contemplated taking the drastic step of getting the lens mended ?

Tamron Cameras • Answered on May 29, 2017


Tele convertors on their own do not focus - that is achieved by the lens. Are the lens contacts clean and correctly aligned with those in the camera ?

Tamron Cameras • Answered on May 15, 2017


Go to the tamron site and find the nearest repair centre to you location

Tamron Cameras • Answered on Oct 29, 2016

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