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Tamron Auto Focus 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro Zoom Lens with Built In Motor for Nikon Digital SLR (Model A14NII)

4.4 out of 5 stars 774 customer reviews
| 526 answered questions

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  • Built in motor for use on the new Nikon Cameras
  • Includes lens hood
  • 6 year Tamron Warranty
  • Zoom lock, 62mm filter size
7 used from $148.87

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Technical Details

Product Description

Style: Nikon | Product Packaging: Standard Packaging

Product Description

The AF 18-200mm F/3.5-6.3 XR Di-II is a high power zoom lens made for exclusive use with digital SLR cameras. The lens inherits the qualities and concepts of the existing AF28-300mm F/3.5-6.3 XR Di. It covers a powerful zoom range that is the 35mm film camera equivalent to a 28-300mm* on a digital SLR camera with a APS-C size imager. The lens provides the convenience of handling many photographic scenes and the capability of shooting ultra wide-angle to ultra telephoto shots without changing lenses. Tamron uses three hybrid aspherical lens elements and two LD (Low Dispersion) glass elements to achieve effective compensation of on-axis and lateral chromatic aberrations, a critical factor that enhances the optical quality of digital photography. Systematic countermeasures against ghosting and flare, annoying factors in digital photography, are also adopted with new technologies such as "Internal Surface coatings" and new multiple-layered coating technology for ordinary elements. In addition, the Minimum Focus Distance is 45cm (17.7") so you will be able to enjoy close-up (macro) photography of 1:3.7 at a 200mm setting. Di II Lenses - Designed for exclusive use on digital cameras with smaller-size imagers and inherit all of the benefits of the Di products. These lenses are not designed for conventional cameras and digital cameras with image sensors larger than 24mm x 16mm. Key Features: Lightweight and Compact Design for Excellent Portability Flower-shaped Lens Hood Internal Surface Coating to Reduce Ghosting and Flare Dedicated for Digital SLR Cameras Optical System Uses Special Glass and is Optimized for Digital SLR Characteristics in order to Enhance Optical Quality in a Compact De

From the Manufacturer

Tamron's original development of proprietary core technologies such as Aspherical element production, Multiple Cam Mechanism and Integrated Focus Cam design lend to the creation of the world's lightest, most compact 11x zoom lens made for digital SLR cameras.

AF18-200mm F/3.5-6.3 XR Di II
Zoom in for a macro shot
AF18-200mm F/3.5-6.3 XR Di II Highlights

Lenses are designed for exclusive use on digital cameras with smaller-size imagers and inherit all of the benefits of our Di products. These lenses are not designed for conventional cameras and digital cameras with image sensors larger than 24mm x 16mm.

Extra Refractive Index Glass (XR)
Tamron AF18-200mm F/3.5-6.3 XR Di II at Amazon.com
Special glass for better performance and more compact lens designs
Extra Refractive Index (XR) glass can bend light rays at steeper angles, thereby decreasing the physical length of the lens while enhancing imaging performance by minimizing optical aberrations. This has allowed Tamron to develop a line of shorter, smaller-diameter, lighter lenses without sacrificing lens speed, and actually upgrading image quality compared to older designs. XR glass is costlier than conventional glass but it yields enhanced optical power distribution, making possible many of the outstanding and innovative lens designs that bear the XR designation. XR glass, with its superior light-bending power, makes it possible to design a short-barrel lens with the same light-gathering ability (aperture value) as a long-barrel lens—even with a smaller lens diameter. By using this principle Tamron has been able to shorten the length of the entire optical system and produce lighter, more compact lenses of the same speed, and also to provide greater zoom ranges in lenses that are much more convenient to carry by hand.

Low Dispersion (LD)
Low dispersion (LD) glass elements in a lens help reduce chromatic aberration; the tendency of light of different colors to come to different points of focus at the image plane. Chromatic aberration reduces the sharpness of an image, but glass with an extremely lowdispersion index, has less of a tendency to separate (defract) a ray of light into a rainbow of colors. This characteristic allows the lens designer to effectively compensate for chromatic aberration at the center of the field (on axis), a particular problem at long focal lengths (the telephoto end of the zoom range), and for lateral chromatic aberration (towards the edges of the field) that often occurs at short focal lengths (the wide-angle end of the zoom range.)

Tamron AF18-200mm F/3.5-6.3 XR Di II Low Disperson example at Amazon.com
Low Dispersion (LD) Glass for Greater Lens Sharpness

Internal Focus (IF)
Internal focusing (IF) provides numerous practical benefits to photographers including a non-rotating front filter ring that facilitates the positioning of polarizing and graduated filters, and more predictable handling because the lens length does not change during focusing. Even more important, Tamron’s Internal Focusing (IF) system provides a much closer minimum focusing distance (MFD) throughout its entire focusing range. In addition, IF improves optical performance by minimizing illumination loss at the corners of the image field, and helps to suppress other aberrations that become more troublesome at different focusing positions.

Zoom Lock
Another original Tamron mechanical engineering concept is the Zoom Lock (ZL), a simple convenience feature that prevents undesired extension of the lens barrel when carrying the camera/lens unit on a neck strap.

Product Information

Style:Nikon  |  Product Packaging:Standard Packaging
Product Dimensions 3.3 x 6 x 7 inches
Item Weight 14.1 ounces
Shipping Weight 1.3 pounds
Item model number A14-N
Customer Reviews
4.4 out of 5 stars 774 customer reviews

4.4 out of 5 stars
Best Sellers Rank #281 in Camera & Photo > Lenses > Camera Lenses > Digital Camera Lenses
Date first available at Amazon.com October 2, 2001

Technical Specification

Warranty [pdf ]

Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF ]


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By A. C. Sisto on August 9, 2005
Style Name: CanonPackage Type: Standard Packaging
Like a baseball player with a decent batting average, some power, a little bit of speed and fairly good fielding ability, the Tamron 18-200 lens won't be an All-Star any time soon because it does not excel at any one thing. But, like that $500k/year utility infielder, this lens DOES provide a very good all-around value for what it is. Does it compare to a prime lens at either end? Heck, no. Is it a good lens to use when you can't carry a wide choice of lenses with you? Absolutely.

I've been using this lens on my 20D quite a bit and have only a few minor gripes: it tends to hunt for AF (especially as you get closer to 200mm), and it's not the quietest lens I've used.

An earlier reviewer mentioned that it maxed out at about 160mm. My own analysis shows that it is short of 200mm, but not by that large an extent; I found it much closer to 190. Still, there's no doubt that these zoom lenses with extreme ranges like this have a built-in fudge factor.

Another reviewer described the problems he encountered when using two screw-on filters. There aren't too many primes that I've used that will avoid vignetting when using two filters. Heck, my 10-22 can barely handle one extra-slim. As for darkening the image - well, you're adding two more pieces of glass to a highly-complex lens assembly... just asking for trouble.

As for the concern regarding blur at longer focal lengths, I highly recommend the use of a tripod. I noticed the exact same thing - blur and lack of sharpness - at lengths over 100mm. Keep the old rule of thumb in mind - if you're shooting handheld, your shutter speed should be no slower than the inverse of your focal length.
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Style Name: CanonPackage Type: Standard Packaging
I have owned this lens for over a year now and it never ceases to amaze me when I see the photos it produces. Over this last year I have come to learn a thing or two about how to use this lens.

1) If you are going to shoot indoors, or in low light, with a long focal length (like 200mm) use a tripod or plenty of ambient light. This lens doesn't have a built in image stabilizer so you are going to steady the lens with the tripod or use a real fast shutter speed to minimize your hand jitter.

2) Use a smaller aperture. I have found that my best photos come from an aperture of 8.0 thru 16. These apertures aren't great for bokeh (background blur) but they sure do allow you to take razor sharp pictures.


Focal range. With one lens you are able to take nice wide-angle shots (18mm) and with the twist of zoom ring you have a nice telephoto lens (200mm) Definitely a good walk around lens for the day at the botanical gardens, museum or amusement park.

Build quality. This lens gives you a nice solid feel in your hands. Give it a shake and it doesn't make a sound. The zoom and focus rings move smoothly without being sloppy. With a lens this well built you would expect it to be heavy. Not so with this lens, it's quite light (which is something you really appreciate after a long day of carrying it around.)

Minimal chromatic aberrations. The lens' three hybrid aspherical elements and two low dispersion glass elements correct for almost all lateral and on-axis aberrations making most of your images optically clear.

Size. At it's lowest focal length (18mm) the lens is small enough to fit into a mid size top loading camera bag while still attached to the camera body.

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Style Name: CanonPackage Type: Standard Packaging Verified Purchase
I've used and owned this Tamron lens for three plus years and has earned its place as a "go-to" lens for me. Due to the cheaper price point, it has become my favorite travel lens. This is because the wide focal range of 80 to 200. I can shoot little tiny birds far away, or people and objects relatively closer.

Price is worth it:

So you want a wide range of focals but you don't want to buy an 85mm 100mm, and 200mm and lug them around? Maybe it isn't in the budget. This lens is a great solution, and very versatile telephoto zoom lens.

Big help with Ghosting and Flaring:

Ghosting and flaring are a nightmare to any photographer. The reason ghosting and flaring occur can be directly linked to the lens. To counter this, buying a filter may be the most reasonable thing to do. This unnecessary cost doesn't assure you that ghosting and flaring won't occur because there are filters that have been known to aggravate the situation.

It looks like a hopeless situation but there is an awesome solution by the name of Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro zoom lens. It is mainly for the Canon Digital SLR cameras (model A14E). It can also work with any EOS digital cameras. Tamron's macro zoom lens has internal coating that reduces ghosting and flaring. It rocks the highly recommended flowered shaped lens hood. This external design has been known to bear elevated presentation and high precision images. The extra refractive index glass that makes this lens also reduces aberration by winding light rays at sharper angles thus reducing the physical lens without compromising on the speed of the lens. You have to give it to Tamron for having core features in-built.
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