Tamron 28-75mm f/2.8 XR Di LD IF Macro Lens

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A Feeling of High Performance
and Precise Accuracy

Tamron SP AF28-75mm F/2.8 XR Di LD Aspherical (IF) MACRO Zoom

Tamron 28-75mm f/2.8 XR Di LD IF Lens Light in weight, quick standard zoom featuring Tamron proprietary XR engineering The optical system engineered to enhance the distribution of power within the lens system by pioneering the use of high refractive index (XR) glass elements has resulted in the compactness while virtually counteracting for various aberrations. There are Four aspherical hybrid elements placed at essential spots to ensure high portrayed performance while playing a part in reducing the overall length. Additionally, there are three low dispersion (LD) glass elements that provide high quality images.

There's a minimum focusing distance of just 0.33m throughout the entire zooming range for a 1:3.9 max magnification ratio which is the closest distance of any quick standard zoom lens in the class thanks to enhancements to both optical and mechanical engineering. A maximum magnification relationship with 1:3.9 on the 75mm telephoto end allows you to easily take pleasure in close-up photography. The equivalent focal length on a Nikon DX camera is 42-90mm although designed for DSLR cameras and 35mm full-size SLR cameras alike featuring a fast maximum aperture of F/2.8

Mechanical engineering enhancements allow reducing the maximum diameter and at the same time diminishing any modifications of zoom torque. Using a variety of improvements in the mechanical engineering, Tamron has succeeded in packing a complex lens arrangement into a compact package allowing for reducing the maximum lens diameter. Additionally, the improvement in mechanical creation reduces any unintended changes to zoom torque allowing for enhancement of operating ease. Unseen upgrades were also fashioned from the manufacturing engineering perspective to improve the accuracy of elements, resulting in a lighter weight and increased durability.

A zoom lock mechanism has been built-in to prevent zoom sliding of the barrel while being carried around. A petal-shaped lens hood also comes as an included accessory engineered to efficiently slash harmful light coming in from position other than those intended at the frame's four corners providing clear descriptive performance. The exterior was designed to match this new generation lens with appealing form and texture feeling of high performance and precise accuracy worthy of the "SP" name. May 8, 2011 ✓


Tamron Macro Lens Series - Produce sharp images against soft out-of-focus backgrounds.

ASL - Aspherical Lens - a lens whose curved surface does not conform to the shape of a sphere.

Di-Series - Digitally Integrated Design

XR Technology. Extra Refractive Index Glass (reduces lens size).

LD Low Dispersion lens elements - to reduce chromatic aberration for sharper images)

Internal Focusing (also known as IF) is a photographic lens design in which focus is shifted by moving the inner lens group or groups only,

SP - Super Performance specifications - a line of high performance lenses featuring high design specifications.

Zoom Lock Mechanism - for convenience in carrying the outfit

Shop for the Tamron 28-75mm f/2.8 XR Di LD Aspherical (IF) Lens here from these stores
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Lens styleZoom lens
Max Format Size 35mm FF  
Lens focal length28 75 mm  
Stabilization type No  
Camera mount Canon EFNikon F (FX), Pentax KAF and Sony Alpha  
Angle of view 75-32  
Aperture (lens diaphragm)
Largest aperture opening f/2.8  
Smallest aperture opening f/32.0  
Includes aperture ring Yes  
Total diaphragm blades 7  
Aperture annotations circular aperture  
Total Elements 16  
Number of Groups 14  
Coatings / special elements 3 LD elements, 4 aspherical elements and 2 XR elements  
Minimum focus distance 0.33 m (12.99")  
Autofocus type Yes  
Lens motor Micromotor  
Full time manual focus Unknown  
Focusing method Internal  
Lens distance scale Yes  
Depth of field scale Yes  
Physical features
Overall weight510 g (1.12 lb)  
Lens diameter 73 mm (2.87")  
Overall length 92 mm (3.62")  
Lens color Black  
Zooming method Rotary (extending)  
Zoom lock switch Yes  
Filter thread size 67 mm  
Filter annotations non rotating  
Lens hood included Yes  
Lens hood code flower shaped hood  
Tripod collar included No

Lens Includes

Tamron Zoom Wide Angle-Telephoto AF 28-75mm f/2.8 XR Di LD Aspherical (IF) Autofocus Lens
67mm Snap-On Lens Cap
Rear Lens Cap for Canon EOS
Lens Hood for 28-75mm & 17-50mm Lens
6-Year Warranty


amstel78's Full Review: Tamron A09 for Nikon

As a working professional, the hunt for the perfect capture is a never ending process. As much as I hate reviewing and searching for equipment (I would rather be out shooting), it's a part of life when the quality of your images matter to you. Normally, I shoot with Canon L glass, and have been very satisfied with the results so far, but when I recently acquired a Canon 5D, the search ensued for a good walking lens that was light in weight and fast. I had two options available to me at the time, and one was to go with the tried and true route with the Canon 24-70L or try the Tamron 28-75 f2.8 Di. Having used the 24-70L extensively in the past, I knew what it was capable off, but also knew that it was a heavy lens. So, keeping that in mind I purchased the Tamron in hopes of dispelling my personal belief that all 3rd party lenses were junk. Did taking that risk payoff? Read on...

Lens Description
When I first received the lens from ebay, I was quite surprised at how small and light the box was. Being used to carrying heavy L glass, my first assumptions weren't positive, as I equated quality with weight. Upon opening the box, I found a nicely packaged black lens complete with hood and end caps. Filter size is 67mm, and there is no aperture ring on the base.

Build quality from an aesthetic standpoint though is rather good, with the plastic bearing a textured finish. There are no creaks or groans while handling the lens, and the zoom ring has enough friction. Turning the focus selector to MF allows the user to manually turn the focus ring. This also has enough friction in it to provide an accurate focus. On the other side of the barrel is a small switch which locks the zoom at 28mm to prevent lens creep.

The included lens cap is of the center-pinch design which I like much better than the Canon offerings. It's a lot easier to remove the cap with the included lens hood attached. Speaking of hoods, the included one is rather flimsy, and probably the worst part of the package. There is no interior surface flocking, and the surface of the plastic is a mix between matte and shiny. Attaching the hood is in typical bayonet fashion and locks in place.

The base of the lens has no aperture ring as I mentioned earlier, so the use of this lens would only be suitable for EOS cameras that can control aperture via the camera's body. The mounting ring is made of metal which is nice considering the cheap price. Generally, the lens is put together quite well, and my assumptions where starting to turn positive. However, the most important aspect is image quality and without further ado, I'll move on towards my observations with this lens and the Canon 5D.

Image Quality and Performance:
One thing that really attracted me to this lens was the fact that it maintained a constant aperture of f2.8 at all focal lengths. However, most lenses don't do a very good job of maintain sharpness wide open or completely stopped down. I'm more interested in f2.8 performance though, as a lot of my work is done in lower light. The fact that the 5D is a full frame sensor camera, also strains a lens design by showing flaws at the edges of the image circle.

All of my tests were performed using a tripod, and having the camera set to ISO 100, RAW, and mirror lockup.

*F2.8: Center of the image was sharp with minor softness at the edges.
*F4: Center of the image was sharp with no corner softness
*F5.6: Center of the image was very sharp with no softness at the edges.
*F8: Center of the image was tack sharp with no softness at the edges.

I only tested to F8 as these where the most commonly used f/stops that I used in my particular style of photography. However, the results were very pleasing, with only minor corner and edge softness at f2.8. The lenses sweet spot begins at F4 which is also a very useable aperture. Color rendition and contrast where also surprisingly good, and while I didn't have a Canon 24-70L next to me to compare with, I did have a few photos taken with that lens that I used to get an "eyeball" impression. Contrast and color where very similar, with no lens being worse than the other. Autofocus performance of the lens was also pretty good, although nowhere near as fast as Canon's USM offerings. The focus ring does turn when the camera is focusing though, and does take a bit of getting used too. Sometimes my finger rubs up against the focus ring while it's turning, which can be a distraction. Motor noise since it's not USM is also louder than Canon's offerings, but nothing that I would consider a detriment.

The Tamron AF 28.75 f2.8 DI lens is an excellent value. It's well built, very light, and quite fast. At f2.8, image quality is good enough for most portraiture work, although some corner softness is evident. Stopped down to f4 or smaller, this lens would make an excellent landscape tool, with center and corner sharpness being excellent, even on a full frame sensor. Color rendition and contrast is also superb, and honestly in my eyes rivals that of the venerable Canon 24-70L, at 1/3 the weight and 1/3 the price. Overall, I am very pleased with my decision, and have rethought my original assumptions regarding 3rd party lens manufacturers.

Recommended: Yes

benjikan's Full Review: Tamron A09 for Pentax

As a professional Fashion/Beauty and Advertising photographer of over twenty years, my demands for optical excellence are quite stringent. I recently used this lens for a fashion editorial shoot and can say that this lens is wonderful. Fast and accurate auto focus and brutally sharp at 3.2 and above. Very good at 2.8. I use this lens on a Canon 20D BG-E2 Grip and it marries very well with it. I shot some beauty close up images and was amazed by the detail that this little lens resolved. The eye lashes bounced off of the page. I was also very pleased with the color rendition. The contrast of this lens is perhaps the best of all of the lenses I own and have owned in the past. Control of flare is superb. There is very little vignetting especially on the 20D which has a 1.6 ratio. The "Bokeh" on the Tamron is beautifully rendered especially wide open. Be sure to purchase a UV filter for this lens to protect the front element and to avoid color shifting in some clothing dyes. I especially appreciate the close focus capabilities of this lens. Not quite a macro, but very close. I was initially concerned by the fact that this lens is polycarbonate in construction which attributes to its' light weight. After reading several reports regarding the manner in which Tamron utilizes this material, I am confident that they made a good compromise. Tamron has been able to decrease the price of this lens by setting up there manufacturing plant in China. R&D is still done in Japan. The components of this lens are also manufactured in Japan

I also own the Tamron XR Di Macro 90 2.8 lens and must say that these two lenses are the best of the Tamron arsenal.

Final point. Would I recommend this lens to a working professional? Yes, Yes, Yes unequivocally!

You may view some samples of my published work at my photo agent sites and by clicking on my name "Benjamin Kanarek".

http://www.virginiaberthy.com PARIS
http://www.slave-unit.com LONDON

You may also join my commercial photography group called FashionMode 1 at:



Child Portraits: Angela Carson with the Tamron 28-75mm Lens

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