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  • Sigma AF 18-200mm f/3.5-6.3 DC OS (Optical Stabilizer) Zoom Lens for Nikon Digital SLR Cameras
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Sigma AF 18-200mm f/3.5-6.3 DC OS (Optical Stabilizer) Zoom Lens for Nikon Digital SLR Cameras

by Sigma
| 20 answered questions

Available from these sellers.
Nikon DSLR
  • 18-200mm focal length
  • 27-300mm equivalent focal length on APS-C cameras, 28.8-320mm equivalent focal length on Canon APS-C cameras
  • F3.5-6.3 maximum aperture; F22-40 minimum
  • Micromotor-type AF motor without full-time manual focusing
  • Image stabilization, Auto panning detection
  • 72mm filters
  • 0.45m/17.72" minimum focus
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8 new from $399.95 3 used from $245.00 2 refurbished from $399.99

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Style: Nikon DSLR
  • Buy Used and Save: Buy a Used "Sigma AF 18-200mm f/3.5-6.3 DC OS (Optical Stabili..." and save 38% off the $399.00 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Technical Details

Style: Nikon DSLR
  • Image Stabilization

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

Product Details

Style: Nikon DSLR
  • Product Dimensions: 3.9 x 3.1 x 3.1 inches ; 1.3 pounds
  • Shipping Weight: 1.8 pounds
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Item model number: B000NOSCGW
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (147 customer reviews)
  • Date first available at Amazon.com: October 2, 2001

Product Description

Style: Nikon DSLR

Product Description

Sigma 18-200mm f/3.5-6.3 DC OS Zoom Super Wide Angle Lens for Nikon


The Sigma 18-200mm high-zoom-ratio lens is designed exclusively for Nikon digital SLR cameras and is capable of covering a wide range of focal lengths, from wide-angle to telephoto. Two Special Low Dispersion (SLD) glass elements and two hybrid aspherical lenses correct for all types of aberrations, letting Sigma house the extended-range super-zoom lens in a compact and lightweight body that measures 70mm in diameter and 78.1mm long and weighs a mere 14.3 ounces. The new lens coating, meanwhile, reduces flare and ghost--a common problem shared by many digital cameras--while also creating an optimum color balance. Other details include a minimum focusing distance of 45cm (17.7) at all focal lengths, a high zoom ratio of 11:1, and a maximum magnification of 1:4.4.

The lens design incorporates an inner focusing system that prevents the front of the lens from rotating, making it particularly suitable for using circular polarizing filters and petal-shaped lens hoods. In addition, the overall length of the lens never changes during focusing, making the lens convenient to handle and easy to use. Finally, the lens's zoom lock switch eliminates "zoom creep" during transport--a convenient addition when traveling. The lens, which includes a metal mount, is backed by a one-year warranty.

Customer Reviews

I called Sigma and they said the only way to fix it was to ship the lens back to Sigma.
I haven't noticed any lens creep yet, the zoom ring is pretty stiff, but that may change over time, and there is a lock, anyway.
I have been using this lens for more than two months now and I have no regret that I bought this lens.

Most Helpful Customer Reviews

295 of 303 people found the following review helpful By T. Norris on April 30, 2009
Style Name: Canon Digital SLR Cameras Verified Purchase
Reading reviews is a crap shoot. You know nothing about the reviewer or the use of the product. That said, I am assuming you are not a struggling professional trying to shoot a high quality, tight-budget job. You are a user looking for one lens to carry to cover a wide range of service.

I'm a pro. I have a many bodies and L lenses to use.

I carry an XSI with THIS Sigma 18-200mm non OS lens just about everywhere I go. It is a great vacation tool, where most pix are shown in a digital frame or are never going to be more than 4x6.

Yes, the MTF is not great (simply: contrast across the lens), there is some chromatic fringing and watch out! the lens hood will cause vignetting and shadows with a flash at wide angle. I've been using this lens since it was released in early '05.

It's a $300 lens. Does it compare to a $1500 L lens? Yeah - very badly. So what? The first rule of photography is get the picture. Missing the shot while changing lenses is not photography. Is this the preferred lens in my arsenal? No. But for general non-client, daylight, non-sports shooting, it's the one I'll probably be using. I prefer the non-optical stabilzed version - less complexity.

To help you weigh this review: I use five professional (5D, 1D) and several prosumer (40D, 50D, XTI, XSI) bodies and nine L lenses, plus a slew of others.

Photo tip: night shooting of foreground against backround (done a lot with this lens!): typical situation: girl on beach in front of sunset. Manually set exposure to flash shutter speed, aperature & ISO to get background. Turn flash on to expose and meter foreground. You'll get some great "how did you do that?" pix. All the MTF, abberetion and linearity issues will mean nothing, because you got a picture no one else could and th L doesn't really add anything, because you want depth of field here.

Thanks for reading my review.
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174 of 181 people found the following review helpful By Ozarkhawk on January 8, 2008
Style Name: Nikon DSLR
This was shipped to my office yesterday, so I naturally had to play with it. I have an old Nikon D50, and had gotten use to the kit lens that was on it. This Sigma is CONSIDERABLY larger and heavier. I expected that of course, and maybe I'm just getting old, but IMO its a pretty hefty lens.

I bought this lens expressly for the Optical Stabilization, so that was the first thing I tested. My office has a logo painted on the far side, so I handheld, indoors, at 200mm and focused on one letter. The lens setting was f6.3 at 1/30 sec. Looking side by side at the OS and non-OS shot in the camera lcd screen, they looked almost identical.

However, puting them in Photoshop and blowing them up revealed a whole other story. The non-os picture was blurred - and no amount of sharpening in Photoshop could correct it.

The OS picture was sharp. I'm not easily impressed, but I was really surprised at how well it worked. When I enlarged it to 200 percent in Photoshop, it seemed to be a bit soft, so I applied a small bit of sharpening from the software - and ended up with a photo that looked like
it had been shot with a macro lens from 3 feet away on a tripod. It was outstanding.

I bought this lens for 2 reasons.

First I am a Realtor. All of my listings need indoor shots, and I stay away from flash if I can - natural light seems to create warm home interiors. Problem was, most of these shots ended up in the 1/8-1/15 range - so I packed a tripod around. This lens should be far more convenient.

Second, I am a photographer. I shoot a lot of weddings and reunions, and I often try to drag the shutter, especially in churches or large halls, where I want some ambient light to fill in the background.
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95 of 98 people found the following review helpful By S. Kanter on June 24, 2005
Style Name: Canon Digital SLR Cameras
I disagree with the previous poster. I think this lens is pretty great.

The quality is exceptional for a lens of this price and range.

There seems to be a controversy regarding how focal lengths of lenses are measured; from what I've read, the lens does go to 200mm if measured at infinity.

In the real world, the lens takes fine pics as long as you have enough light. The size and weight is perfect for a walk-around lens. My Rebel XT with this lens (and the Hakuba hand grip) is a perfect fit, and feels great to carry around and shoot. To get better optical quality at this range, you would need to get a few lenses that each cost a lot more. There is nothing quite like this, except for Tamaron's 18-200, which I hear doesn't compare favorably to the Sigma.

It seems that Sigma has quality control issues, so I would buy

the lens from a local dealer that has a return policy. Test the lens, and if you don't think it's up to par, return it for another.
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135 of 144 people found the following review helpful By J. Eberhard on February 5, 2008
Style Name: Nikon DSLR
First impressions after having the lens for 1 week, using with the Nikon D200 (upgraded from Nikon 24-120mm VR):

1. It is loud. When auto focusing or engaging the OS function, the lens makes a chirp sound. Doesn't really matter from a performance perspective, but it is annoying.

2. Auto focus in the dark takes longer than the 24-120mm Nikon. Not sure if this is the camera or the lens, but the lens just doesn't seem happy to do the nighttime auto focus.

3. Range is amazing. From full tele to full zoom, the photos look great.

4. OS stabilization seems to work just as well as the Nikon 24-120mm VR's did.

4. For just over 1/2 the price of the Nikon 18-200 VR, no matter how much quieter/faster the Nikon is, this seems like the better value for the buck.
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