» Tamron 70-300mm Telephoto Lens

Tamron 70-300mm Telephoto Lens

Product Spec

Item No A17
Groups-Elements 9-13
Angle of view 34-8
Optical Construction rotation
Diaphragm Blades 9
Minimum Aperture 32
Minimum Object Distance [m] 0.95
Maximum Magnification Ratio 1:2
Filter size [mm] 62
Weight [g] 435
Diameter x Length [mm] 76.6 x 116.5
Maximum Aperture F/4-5.6
Focal Length [mm] 70-300
Item no. hood DA17
Item no. front cap CP62


For the full specification write up from Tamron please click HERE



When I was first starting out with my D3100 I used the kit lens for a couple of months until I felt the need to get ‘closer’. My natural reaction was to start looking at the Nikon Nikkor lenses. I immediately found that while they were exactly what I wanted I knew that they were out of my price range for the moment.

I had done some online research and found it in abundance, but there were two budget telephoto zoom lenses that kept cropping up; Tamron and Sigma. After checking and some thinking I went with the Tamron unit for a shade under £120.00 which I thought was a seal seeing that the equivalent Nikon Lens was nearly 3 times the price.


Main functionality

The first thing that surprised me upon opening was that this lens had a metal body mounting ring, for the money I thought would have been a plastic ring – bonus. There are two main outer rings to the lens, a large zoom and smaller manual focus ring. Although these rings are moved mechanically, and not having the silent motors fitted it they do move with ease and give a good solid feeling in hand. Having an aperture range of f/4-5.6 I found that it was more than adequate in blurring out the background of the subject matter while maintaining subject sharpness.

There is however a small draw back with this lens. When the camera tries to auto focus on subjects at the extremities of its focal range it does tend to ‘hunt*’ for a focal point. This rarely bothered me as I would use it a lot in manual focus as I felt more in control this way, others may want to keep it in auto mode. If you are looking to keep it in auto it will perform quite happily all day long at track day events, capturing airplanes Etc. The only thing it did start to struggle with is, wait for it…. 210MPH Moto GP motorbikes. This is where the manual mode was a breeze to use and covered it very well.

And just to prove its worth, here are some of those shots I was telling you about.


Macro mode

I really haven’t used this as much as what I thought I would have, only because the kit leas does a far better job having the Vibration reduction built in and the distance you can get to you subject.

For the times I did use the Macro more here are some of the images I captured.


While I have touched upon some of the weakness of this lens, I have only mentioned them to be unbiased and totally impartial. The positives of this lens totally outweigh the negatives by a long way. This is a terrific starter lens and would recommend it to anyone who is thinking like I did initially, wanting alot of bang for not a lot of buck.


UV Filter: They are not expensive just a few pounds (or dollars) each. A little spent here could save hundreds down the line should a lens get damaged. All of the above items can be seen within this post. Click HERE

Carry bag: If you are not storing this lens in a bag or holder I would seriously think of getting something to protect it from the elements.

Overall Rating 8/10

*Hunt – When the lens searches for a focal point (sometimes pre-determined in camera) and winds itself through the range looking for something to focus on.





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