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  • Tamron 18-250mm F/3.5-6.3 AF Di-II LD Aspherical (IF) Macro Lens for Nikon Digital SLR Cameras
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Tamron 18-250mm F/3.5-6.3 AF Di-II LD Aspherical (IF) Macro Lens for Nikon Digital SLR Cameras

by Tamron
| 7 answered questions

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Technical Details

  • Brand Name: Tamron
  • Model: AF018N-700
  • Maximum Aperature Range: F3.5

Read about our customers' top-rated lenses and cameras on our review pages: Lenses, Digital SLR Cameras, Compact System Cameras

Product Details

  • Product Dimensions: 3.3 x 2.9 x 2.9 inches ; 15.8 ounces
  • Shipping Weight: 1.3 pounds
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B000IBI3YQ
  • Item model number: AF018N-700
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (23 customer reviews)
  • Date first available at Amazon.com: October 2, 2001

Product Description

Product Description

Designed exclusively for digital SLRs with APS-C sized imagers, the AF 18-250mm F/3.5-6.3 Di-II LD Aspherical (IF) Macro has the largest zoom ratio of 139x. Features include: Designed exclusively for digital SLRs with APS-C sized imagers, the AF 18-250mm F/3.5-6.3 Di-II LD Aspherical (IF) Macro has the largest zoom ratio of 139x, Use of LD and Aspherical elements, zoom lock mechanism, and internal surface coating to reduce ghosting and flare.

From the Manufacturer

This breakthrough zoom covers the greatest range of any interchangeable lens in digital SLR photography—an astounding 14x wide-to-super telephoto ratio. That's the 35mm equivalent of a 28-400mm on an APS-C format DSLR. And it focuses down to 0.45m(17.7") over its entire range for dramatic close-ups. Remarkably compact and lightweight, its sharpness, resolution, and color accuracy are outstanding thanks to special lowe dispersion (LD) glass, high-tech molded aspherics, the latest multi-coating, and second-generation digital optimization (Di II). This is the most powerful zoom lens on the planet, and it literally puts the world at your fingertips, delivering crisp, flare free images of scenic vistas, sports, nature, and intimate close-ups of kids. It's the perfect all-in-one lens for traveling light and capturing the unanticipated.

AF 18-250mm F/3.5-6.3 Di II Highlights

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

14x Zoom
Capture your world with the longest-range zoom lens you can buy--experience the great power of a 14X zoom range with Tamron's 18-250mm--a single lens capable of shooting both wide angle and telephoto scenes. At nearly 14x, Tamron's lens is the world's most powerful zoom and delivers all the photographic freedom of this enormous zoom range in a single, compact lens.

Tamron AF 18-250mm at Amazon.com
Long range zoom - 8mm zoom, 130mm zoom, and 250mm zoom

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 AF 18-250mm 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.

Anomalous Dispersion (AD) for Better Color Correction
Anomalous dispersion (AD) glass is a special type of optical glass that is used to achieve more precise control of chromatic aberrations, thereby enhancing overall imaging performance. Glass of this type provides an abnormally large partial dispersion ratio (amount of diffraction) for light of specific wavelength ranges (colors) within the visible spectrum. By combining AD glass having these special characteristics with elements made of normal glass having different dispersion characteristics, it is possible to control the dispersion factors of a specific wavelength. This enhanced level of control results in much lower levels of on-axis (central) chromatic aberration for telephoto lenses (or zooms used at tele-photo settings) and a significant reduction of lateral (peripheral) chromatic aber-ration for wide-angle lenses (or zooms used at wide-angle settings.)

AF18-200mm F/3.5-6.3 XR Di II
Anomalous Dispersion (AD) enhances overall imaging experience


Aspherical Elements (ASL) Provide the Ultimate in Image Quality and Compactness)
Tamron uses several hybrid aspherical lens elements in many lenses bearing the Aspherical designation. These innovative optics allow us to achieve the ultimate in image quality, and at the same time produce lenses that offer remarkable zoom ranges in extraordinarily compact packages. By perfecting theses cutting-edge advances for series production, Tamron has advanced the state of optical design, and virtually eliminated spherical aberration and image distortion from the high-power-zoom series.Through the effective application of Hybrid Aspherical Technology, one lens elemen tcan take the place of multiple elements without compromising performance. This is what allows us to produce remarkably compact long-range lenses that deliver a uniformly high level of image quality at all focal lengths and apertures.

Tamron AF 18-250 AASL Image 2
Achieve the ultimate in image quality with Asperical (ASL) lenses
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.





Customer Reviews

This is really a very good lens.
Paul Garland
After more research I discovered it was not compatible with the D60, D80 or D5000.
PDX fotos
The Tamron 18-250mm works great.
Susan K. Jensen

Most Helpful Customer Reviews

37 of 38 people found the following review helpful By J. Hooks on May 14, 2007
Verified Purchase
I've had this lens for about 3 months and it has been even more satisfactory than expected (and I ordered before it had been reviewed). I wanted a reasonable quality, small, lightweight "walk around" lens, at a reasonable price, and it has been great for me. As an amateur photographer and using a Nikon D50 SLR, my acceptance level may be limited, and someday I may want better glass. But for now I am very very happy. After receiving it and using it for a while, a very positive review appeared in Popular Photography magazine.
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37 of 40 people found the following review helpful By Leo on August 29, 2007
Previously I owned 18-55 and 55-200 (kit lenses) that came with my Nikon D50. After an year of switching them again an again,I started to look at reasonably price long range ("vacational")lens. The Nikon 18-200 VR looked so good, but price tag was way over my budget. Two weeks ago, I saw review of Tamron 18-250 lens as being #1 zoom lens for D-SLR. I immediately looked at tons of reviews and soon I understood that this is what I was looking for. Immediately two D50's lenses went on e-Bay and I purchased this lens. After one day of continues usage (about 200 photos), I was amazed with color saturation, sharpness, and quality of the lens. I am not a professional photographer but for my purpose (serious home photographer) this lens is simply AWESOME.

UPDATE (3 stars). After 10 days of use, I found this lens has limitations. I was unable to get sharp, clean action photos of my son. Previous 55-200 lens was able to stop the action. As much as about 50/50 of my shots are actions related, I couldn't accept this lens. I sent it back (Buydig.com offer 15 days money back - 10%) for refund. Looking for replacement high zoom lens (more than 200 mm) at reasonable price.
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18 of 19 people found the following review helpful By Howard G. on March 3, 2010
Verified Purchase
Apparently, this lens is available in two versions for the Nikon. The AF018N-700 does NOT have a built in motor for AF. The AF018NII-700, does. If you want AF and your camera does not have an AF motor in the body, make sure you get the lens with the motor. Reading through the reviews on this page, it seems that people are reviewing the two different lenses here, thus the confusion. This lens does not have a motor. The AF works fine with my D300, but not with my D3000.
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8 of 8 people found the following review helpful By Vikram Jairam on March 31, 2008
Verified Purchase
Though I do feel the need for VR I get closer to 250mm, this lens does great with my Nikon D70S for ALL occassions. I have no complaints, be it focusing speed or image quality / sharpness. This has become my lens of choice - 5 Stars for the buck. I did have the Nikkor 18-200 VR in mind, but for the price I chose this. I have used SLRs for 15 years and just switched to digital... I never had the option of VR and remember that I had to switch between my 18-70 and 70-300 all the time. My 70-300 had the same problem of shake as I got closer to 300 and this problem is always going to be there with longer focal lengths - Use a tripod for low-light large focal length situations. With this lens, I have no need to switch lenses while I am on the floor - which is a big plus. I use it with my Monopod for event photography and frankly, this does a great job. Note though that this only works well with cameras with APS-C sized Digital SLRs where the CMOS Sensor is close to 24 X 16 mm. THis was the perfect choice for my D70S. A++++++++++++++++.
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5 of 5 people found the following review helpful By Eric G. on March 11, 2008
Verified Purchase
This is a great multi-use lens for a hobby/beginner to intermediate photographer. I use this lens to mostly take pictures of my family. It has great range 18-250 (Minus the conversion factor, it's more like 24-300 I think). Have used it a little taking night shots and it works fairly well. Can't beat it for the price. I'm sure a professional could tell you a million things wrong with it. I haven't noticed any image distortion or fish-eye effect on any images.

One thing, I removed the lens hood it came with. It was creating shadows at the bottom of my images.

Great travel lens. If you can only afford to buy one lens right now, this is a great all around lens.
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5 of 5 people found the following review helpful By Test Shoot on May 29, 2008
Verified Purchase
After dropping my camera with my Tamron 18-200 on it I bought the 18-250. Seems to be equally sharp although some reviewers say the 250 is better than the 200. The 200 had bad lens creep which the 250 doesn't have and that alone is a big improvement.
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4 of 4 people found the following review helpful By PDX fotos on December 3, 2010
I bought this lens for my Nikon D5000. I did some research and read that it is compatible with my camera. When it arrived I found that the auto focus didn't work at all. I immediately got on the computer and started reading other reviews to discover that many other people had the same problem, or intermittent auto focus. After more research I discovered it was not compatible with the D60, D80 or D5000. I took it to a favorite hiking spot and took some photos with the manual focus. It performed well focus aside. During my shots there was a point where the auto focus worked for ten seconds. I took one picture with it activated, then went away never to be seen again.

Auto focus issues aside this lens was good. Only downside is weight; it's extremely heavy considering no auto focus motor.
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6 of 7 people found the following review helpful By Susan K. Jensen on January 20, 2008
I just purchased a new digital camera and needed a good all around lens. The Tamron 18-250mm works great. I have taken close-ups and telephoto shots. It really does a good job. The only complaint is that the lens likes to extend out if it isn't in lock position. I recommend this as a good lens for a day of shooting.
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