Product Description
This 18-200mm F3.5-6.3 DC OS (Optical Stabilizer) high power zoom ratio lens is exclusively designed for digital SLR cameras and is capable of covering a wide range of focal lengths from wide angle to telephoto. It is equipped with Sigma's own unique technology of OS (Optical Stabilizer) function. This function uses two sensors inside the lens to detect vertical and horizontal movement of the camera and works by moving an optical image stabilizing lens group, to effectively compensate for camera shake. It automatically detects movement of the camera and compensates for camera shake when shooting moving subject such as motor sports. Two SLD (Special Low Dispersion) glass elements and three aspherical lenses provide excellent correction for all types of aberrations. The super multi-layer lens coating reduces flare and ghost. This lens provides superior image quality throughout the entire zoom range. An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using circular polarizing filters and the petal-type lens hood supplied.
Amazon.com Product Description
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:
Excellent "walking around" lens.......2007-12-13
I have been using this lens almost exclusively during the past month on my Canon EOS Digital Rebel XTi. The focus is slightly noisier than the Cannon lenses and perhaps a bit slower, especially indoors in dark light. However, picture quality is excellent, OS works great, and having the 18-200 range is fantastic for taking a single lens on short trips. This is a great lens for the money.
Excellent.......2007-12-04
this lens is very good. I had this lens for a week and i'm satisfied. But little noisy when the OS and AF were on. For this price is worth it.
Sigma 18-200 OS lens w/Canon Mount.......2007-12-03
Had this lens for about 6 weeks and it has performed beautifuly. Photographed a wedding, a family portrait and two family event with the lens (well over 1,500 images) and have not taken it off my 40D since it arrived. Not used it under extreme dim-light conditions yet so don't know about the low light focusing. Ready to sell the two lens this lens replaces.
excellent .......2007-11-29
The lens works very well creating sharp images in challenging situations. The fact that it starts at 18mm as opposed to 28mm as many the OS zooms do and extends to 200mm give me the flexibility to truly have a "one lens solution."
Sigma Zoom Lens for Canon SLR AF 18-200mm f/3.5-6.3 DC OS (Optical Stabilizer) .......2007-11-21
This is a great lens! It blows away the standard lense that comes with your Canon SLR. The zoom allows you to get those close up shots without a tripod because of the stablilier. The lense is heavier than the standard 55mm lens but is great to have and it is lighter than the Nikon 18-200mm Lense with OS. Anyone who loves to take pictures I would say must get this lense it will make a huge difference in your photos. Well worth the money.
Product Description
This high zoom ratio lens is exclusively designed for digital SLR cameras and 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 offer the utmost correction for all types of aberrations, and enables this extended range super zoom lens to be housed in a compact and lightweight construction of 70mm (2.8") diameter, and 78.1mm (3.1") in length, and weighing just 405g/14.3oz. The new lens coating reduces flare and ghost, which is a common problem of digital cameras and also creates an optimum color balance. This lens has a minimum focusing distance of 45cm (17.7") at all focal lengths and has maximum magnification of 1:4.4.The lens design incorporates an inner focusing system, which preventsthe front of the lens from rotating, making it particularly suitable for using circular polarizing filters and petal shaped lens hoods. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. A zoom lock switch eliminates 'zoom creep' during transportation, a convenient addition when traveling.
Customer Reviews:
Great all around lense.......2007-05-28
I bought this lense a year ago to go with my Nikon D50. I have been very happy with this lense. I researched quite a bit before I purchased this lense and had read many user reviews both good and bad. The negative reviews were mainly from Canon users related to an autofocus problem. I have not had any focus issues at all on my D50. Focus is fast and accurate providing incredibly sharp photos. I have my D50 set to focus on the center of the frame which is the way I typically use a camera.
There is some audible auto focus noise since the Nikon version of this lense does not have an internal focus motor. The lense relies on the auto focus screw driven by an internal motor in the D50 body (or any Nikon DSLR body except the D40 which doesn't have one). The noise heard is not the lense but the stepper motor in the D50 body. The identical noise is heard when I use my Nikon 50mm f1.8 lense which also relies on the autofocus screw/motor in the D50 body. Other Nikon AFS lenses are super quiet since Nikon includes a very quiet Silent Wave focus motor inside the lense which disables the DSLR body stepper motor.
[...]
[...]
You will notice the barrel distortion at the 18mm setting with photos of linear objects (eg. buildings or anything with straight lines). Keep in mind that even the Nikon 18-200mm lense at more than twice the price also exhibits the same percentage of barrel distortion as the Sigma. When covering this wide of a zoom range a compromise is made by the design engineers.
Another complaint I've read about, and is also an issue with the Nikon and Tamron, is that some people claim the 200mm zoom setting isn't true 200mm. Well this is correct when you're focusing on an object that the camera has not focused to infinity. In other words the closer the subject the less magnification is achieved. This is normal for any lense covering this zoom range. As an example I performed a test and focused on an object bout 50 feet away at full telephoto and achieved about a 9x magnification over the wide angle setting. When I performed the same test on an object that was a couple of hundred feet away I did achieve the full 11x magnification range. [...]
The bottom line: This is a great lense for the money. Certainly the Nikon 18-200 VR is a better lense but costs more than twice as much [...]. If you're a Nikon DSLR owner (except the D40 which does not include a focus motor and screw) and if you don't want to spend [...] on the Nikon 18-200mm VR than this is your lense. It is compact and light and has a great quality look and feel. It provides super sharp photos and I'm very happy with it. [...] Also with such a zoom range you'll almost never take this lense off your Nikon which also will minimize dust getting into the camera body.
My only other suggestion is to wait for the Sigma 18-200mm OS version of this lense which is not yet available. It will include an optical stabilization feature not included in the base Sigma 18-200mm [...] and most likely there will be a waiting line once it's released sometime in 2007. Assuming the OS version has equivalent optics the OS feature will be an added bonus making it similar in performance to the VR feature of the Nikon 18-200mm.
Excelent!!!.......2007-04-03
i have a 18-55 and a 80-200 2.8 nikon lens and this one combines them both, great lens, fast auto-focus, the lock button great. nice colors and great specs.
Great Lense.......2007-02-06
I did quite a bit of research before finally settling on this lense and I think I made a great choice. I was previously using my old 35-80 and 100-300 lenses from my film camera, but this lens allows me to have a much wider angle than I was used to and almost the same telephoto all without having to change lenses.
This lense is not as quite as a comperable new nikon lense, but it also much less expensive, and is much more quite than my old nikon lense. I have not noticed any prolems with the colors or image quality. As an average camera user I am extremely happy with my choice.
A good piece overall...........2005-10-22
I purchased a Nikon D70S in August and decided on the Sigma 18-200mm lens instead of the 18-35mm Nikkor kit lens. It really boils down to how one uses this lens as to whether you like it or not. With the 1.5 conversion factor of the D70S, this lens operates as a 27-300mm. I do an ocassional wedding and senior photos throughout the year but I shoot more landscape/nature photography than anything. Unless a person requires a super fast lens, this piece does a very good job overall for the price. Since the majority of my work is off a tripod, the 3.5 max aperture has not been a problem even in very low light situations. Since it's the only Nikon based lens I own, its like having several lenses in one and I never have to worry about dust getting on the sensor during lens changes.
The 27mm is not as wide as I would have liked, but I have had no problems in making due with it especially doing group shots at weddings and has been quite sufficient for most landscapes.
The autofocus is quite fast when needed and it does quite well for my use as a portrait lens. Its 300mm capability really lets you bring in distant objects.
Color accuracy is quite good on both people and landscapes, and works acceptable with neutral density and circular polarizing filters.
My biggest complaint with this lens however, is a bit too much barrel distortion when shooting linear subjects and lens flare when shooting into the sun at sunrise or sunset. The flare problem may be as much the fault of the digital sensor as it is the lens, but I have been told by more than one pro that it's more the lens than the sensor. Therefore, that's why I gave it only 4 stars instead of 5. I have used Sigma lenses on my film cameras for many years and not had this kind of flare problem. However, this lens is built especially for the smaller digital sensors, which may result in magnifying this problem. Both of these faults can be corrected with imaging software most of the time. It just takes time to have to mess with it.
Keep in mind, this is a general purpose lens, and will do a more than acceptable job for all but the most discriminating work. It is light and compact and has a quality about it which looks good on the camera. Overall I have enjoyed the lens, and can recommend it as a good piece overall for the money.
Faulty lens?.......2005-08-11
Left side of all pictures was soft compared to right side, especially the lower left portion. Exchanged for a replacement.
Product Description
The Sigma 18-200mm f/3.5-6.3 DC OS (Optical Stabilizer) Lens offers an "all-in-one" super-zoom lens solution, from wide-angle to long telephoto. It provides the equivalent focal range of approx. 27-300mm when used with a digital SLR camera. This lens has now been updated with the OS (Optical Stabilizer) system, which minimizes image blur caused by camera shake, and offers the equivalent of shooting at a shutter speed 2-3 stops faster. This allows handheld telephoto zoom shooting even in poorly lit conditions. The 18-200mm's optical design incorporates aspherical lenses and SLD (Special Low Dispersion) glass, which provides the utmost correction for all types of aberrations. It also enables this extended super-zoom lens to be housed in a compact and lightweight construction. DC lenses are exclusively designed for digital SLR cameras. The image circle (rear of lens) is sized to match the smaller dimensions used for the image sensor on digital cameras. As a result these lenses are also more compact and lightweight, and are better matched to digital SLR cameras. Enjoy all the benefits of the Sigma Super Wide Angle 18-200mm f/3.5-6.3 DC OS lens, plus you get all of the following brand new items: All Manufacturer's Supplied Accessories, 5 Year Lens Extended Warranty (this extended warranty service plan gives you the highest level of customer service, savings, and peace of mind, letting you rest assured in the event your product needs repair), Opteka High Definition² 3 Piece Filter Kit - Ultra-Violet, Polarizing and Fluorescent Filters, Opteka Close-Up Set (+1, +2, and +4) with 10x Macro Lens, which enables you to get much closer than the minimum focus of the standard camera lens - as close as 4 inches from the subject! Opteka Professional Tabletop Tripod, and an Opteka 5 Piece Camera & Lens Cleaning Kit! Nothing changes the way you see the world like High Definition², and no company does High Definition² like Opteka.
Product Description
Kit includes: 1) Sigma 18-200mm f/3.5-6.3 DC Zoom Lens (Nikon AF); 2) Hoya 62mm UV Haze Filter; 3) Deluxe 6-Piece Cleaning Kit; 4) CapKeeper 2; ♦ This Compact, Lightweight Super zoom lens, with high zoom ratio of 11:1 is exclusively designed for digital SLR cameras and 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 offer the utmost correction for all types of aberrations, and enables this extended range super zoom lens to be housed in a compact and lightweight construction of 70mm diameter, and 78.1mm in length, and weighing just 405g/14.3oz. The new lens coating reduces flare and ghost, which is a common problem of digital cameras and also creates an optimum color balance. This lens has a minimum focusing distance of 45cm at all focal lengths and has maximum magnification of 1:4.4.♦ A UV Filter is a multi-purpose, fine-weather filter that is designed to optimize your photography experience. UV filters, absorb ultraviolet rays that often make outdoor photographs hazy and indistinct. ♦ This 6-piece cleaning kit contains everything you'll ever need: Hurricane Air Blower, Booklet of Lens Cleaning Tissues, Lens Cloth, Lens Cleaning Liquid, Blower Brush, Cotton Swabs ♦ The CapKeeper 2 is an elastic loop, which wraps around lens barrel of your camera, with lens cap leash. It prevents lens cap loss with adhesive-backed disc attached to the cap.
Product Description
This lens kit consists of two DC lenses a wide-angle zoom lens and a telephoto zoom lens. DC lenses are exclusively designed
Product Description
Kit includes: 1) Sigma 18-200mm f/3.5-6.3 DC OS Zoom Lens (Nikon AF); 2) Hoya 72mm UV Haze Filter; 3) Deluxe 6-Piece Cleaning Kit; 4) CapKeeper 2; ♦ This high-ratio 18-200mm zoom lens incorporates Sigmas original OS (Optical Stabilizer) function and is exclusively designed for digital SLR cameras. It is perfectly suitable for low light conditions, indoors, at dusk and at telephoto range. The SLD (Special Low Dispersion) glass and aspherical glass provide excellent correction for all types of aberrations. This lens has a minimum focusing distance of 45cm (17.7") throughout the entire zoom range and has a maximum magnification of 1:3.9. The lens design incorporates an inner focusing system, which prevents the front of the lens from rotating, making it particularly suitable for using circular polarizing filters and petal-shaped lens hoods. ♦ A UV Filter is a multi-purpose, fine-weather filter that is designed to optimize your photography experience. UV filters, absorb ultraviolet rays that often make outdoor photographs hazy and indistinct. ♦ This 6-piece cleaning kit contains everything you'll ever need: Hurricane Air Blower, Booklet of Lens Cleaning Tissues, Lens Cloth, Lens Cleaning Liquid, Blower Brush, Cotton Swabs ♦ The CapKeeper 2 is an elastic loop, which wraps around lens barrel of your camera, with lens cap leash. It prevents lens cap loss with adhesive-backed disc attached to the cap.
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Canon 72mm UV Haze Filter
Opteka 72mm High Definition² Multi-Coated Circular Polarizing Glass Filter
Tiffen 72mm UV Protection Filter
Canon EOS 40D 10.1MP Digital SLR Camera (Body Only)
Opteka 72mm 3 Piece HD² Pro Filter Kit - UV, PL, FLD
TIFFEN 72WIDEFKIT 72MM Wide Angle Enhancing Kit
Tiffen 72WIDUVP 72MM Wide Angle UV Protector Glass Filter
Tiffen - Filter - circular polarizer - 72 mm
Sima CapKeeper 2 - Lens cap strap (pack of 3 )
Adorama Professional Lens Cleaning Kit
