High-power 4.3x Telephoto Zoom-Nikkor lens (Approximates the picture angle performance of a 105-450mm lens on 35mm SLR) / Uses 67mm Filters Non-Rotating front element provides for convenient use of circular polarizing filters and the Nikon Wireless Close-Up Speedlight System A Silent Wave Motor (SWM) enables fast and quiet autofocusing, along with quick switching between autofocus and manual operation (M/A and M) A nine-blade rounded diaphragm opening, out-of-focus elements appear more natural Accepts 67mm filter attachment size Focal length – 70-300mm (Approximates the picture angle performance of a 105-450mm 35mm SLR) Maximum aperture – f/4.5-5.6 Lens construction – 17 elements in 12 groups (with 2 ED glass elements) Picture angle – 34 degrees 20 feet- 8 degrees 10 feet (22 degrees 50 feet ?- 5 degrees 20 feet with Nikon DX format digital SLR cameras) Focal length – scale 70, 100, 135, 200, 300mm Unit Dimensions – (approx.) 3.1 x 5.6 in. (80 x 143.5mm); Weight – (approx.) 26.3 oz (745g) Included accessories – LC-67 67mm snap-on front lens cap, LF-1 rear lens cap, HB-36 bayonet hood, CL-1022 flexible lens pouch

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The Sigma 18-200 F3.5-6.3 DC OS HSM Lens incorporates an Optical Stabilizer function and is exclusively designed for digital SLR cameras. It is perfectly suitable for low light conditions whether indoors, at dusk, or in telephoto range. This system uses two sensors inside the lens to detect vertical and horizontal movement of the camera by moving an optical image stabilizing lens group, to effectively compensate for camera shake. It also automatically detects panning movement of the camera and compensates for camera shake when shooting moving subjects such as motor sports. 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. Since the inner focusing system means the front of the lens does not rotate, optional circular polarizing filters and the supplied petal-type hood can easily be used. A magnification scale is displayed on the lens barrel, ensuring ease of use. A zoom-lock switch mechanism is provided to prevent the lens from creeping due to its own weight. 69.3 – 7.1 degrees (Sigma SD format) angle of view 7 Diaphragm Blades F22 Minimum Aperture 45cm / 17.7 Minimum Focusing Distance 1 – 3.9 Maximum Magnification Petal Lens Hood Dimensions – Diameter 79mm x Length 100mm Weight – 21.5 ounces (610 grams)

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High-power 4.3x Telephoto Zoom-Nikkor lens (Approximates the picture angle performance of a 105-450mm lens on 35mm SLR) / Uses 67mm Filters Non-Rotating front element provides for convenient use of circular polarizing filters and the Nikon Wireless Close-Up Speedlight System A Silent Wave Motor (SWM) enables fast and quiet autofocusing, along with quick switching between autofocus and manual operation (M/A and M) A nine-blade rounded diaphragm opening, out-of-focus elements appear more natural Accepts 67mm filter attachment size Focal length – 70-300mm (Approximates the picture angle performance of a 105-450mm 35mm SLR) Maximum aperture – f/4.5-5.6 Lens construction – 17 elements in 12 groups (with 2 ED glass elements) Picture angle – 34 degrees 20 feet- 8 degrees 10 feet (22 degrees 50 feet ?- 5 degrees 20 feet with Nikon DX format digital SLR cameras) Focal length – scale 70, 100, 135, 200, 300mm Unit Dimensions – (approx.) 3.1 x 5.6 in. (80 x 143.5mm); Weight – (approx.) 26.3 oz (745g) Included accessories – LC-67 67mm snap-on front lens cap, LF-1 rear lens cap, HB-36 bayonet hood, CL-1022 flexible lens pouch

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The Sigma 18-200 F3.5-6.3 DC OS HSM Lens incorporates an Optical Stabilizer function and is exclusively designed for digital SLR cameras. It is perfectly suitable for low light conditions whether indoors, at dusk, or in telephoto range. This system uses two sensors inside the lens to detect vertical and horizontal movement of the camera by moving an optical image stabilizing lens group, to effectively compensate for camera shake. It also automatically detects panning movement of the camera and compensates for camera shake when shooting moving subjects such as motor sports. 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. Since the inner focusing system means the front of the lens does not rotate, optional circular polarizing filters and the supplied petal-type hood can easily be used. A magnification scale is displayed on the lens barrel, ensuring ease of use. A zoom-lock switch mechanism is provided to prevent the lens from creeping due to its own weight. 69.3 – 7.1 degrees (Sigma SD format) angle of view 7 Diaphragm Blades F22 Minimum Aperture 45cm / 17.7 Minimum Focusing Distance 1 – 3.9 Maximum Magnification Petal Lens Hood Dimensions – Diameter 79mm x Length 100mm Weight – 21.5 ounces (610 grams)

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High-power 4.3x Telephoto Zoom-Nikkor lens (Approximates the picture angle performance of a 105-450mm lens on 35mm SLR) / Uses 67mm Filters Non-Rotating front element provides for convenient use of circular polarizing filters and the Nikon Wireless Close-Up Speedlight System A Silent Wave Motor (SWM) enables fast and quiet autofocusing, along with quick switching between autofocus and manual operation (M/A and M) A nine-blade rounded diaphragm opening, out-of-focus elements appear more natural Accepts 67mm filter attachment size Focal length – 70-300mm (Approximates the picture angle performance of a 105-450mm 35mm SLR) Maximum aperture – f/4.5-5.6 Lens construction – 17 elements in 12 groups (with 2 ED glass elements) Picture angle – 34 degrees 20 feet- 8 degrees 10 feet (22 degrees 50 feet ?- 5 degrees 20 feet with Nikon DX format digital SLR cameras) Focal length – scale 70, 100, 135, 200, 300mm Unit Dimensions – (approx.) 3.1 x 5.6 in. (80 x 143.5mm); Weight – (approx.) 26.3 oz (745g) Included accessories – LC-67 67mm snap-on front lens cap, LF-1 rear lens cap, HB-36 bayonet hood, CL-1022 flexible lens pouch

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The effective arrangement of Special Low Dispersion (SLD) and aspherical glass elements has created a lens of compact dimensions. With an overall length of 84.7mm (3.3in.), it is the smallest lens of this focal range. This lens offers a large aperture of F 2.8 over its entire range of focal lengths, which is ideal for low light situations both indoors and out. It has a large depth of field that offers the photographer greater freedom of expression.By using a new technology and optical design, this lens satisfies the needs of digital photography. Two Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with wide-angle lenses. Four aspherical lenses, one molded glass type and three hybrid aspherical types, offer excellent correction for distortion as well as all types of aberration. The design concept of this lens is especially suitable for the characteristics of Digital SLR Cameras. New coating reduces flare and ghost, which is a common problem of digital cameras and also creates an optimum color balance. This lens has excellent correction for “light-fall-off”, which is a common problem of large aperture lenses.The design ensures sufficient illumination of the corners of the image.It is capable of taking pictures with a minimum focusing distance of 38cm (15.0in) at all focal lengths. It is very effective for close-up photography. The high performance inner focus system is particularly suitable for using circular polarizing filters and a petal-type hood as the front of the lens does not rotate.This lens is also equipped with a zoom lock that eliminates “Zoom Creep”. This remarkably compact, high performance zoom lens is ideally suited for traveling.

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The Sigma 18-200 F3.5-6.3 DC OS HSM Lens incorporates an Optical Stabilizer function and is exclusively designed for digital SLR cameras. It is perfectly suitable for low light conditions whether indoors, at dusk, or in telephoto range. This system uses two sensors inside the lens to detect vertical and horizontal movement of the camera by moving an optical image stabilizing lens group, to effectively compensate for camera shake. It also automatically detects panning movement of the camera and compensates for camera shake when shooting moving subjects such as motor sports. 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. Since the inner focusing system means the front of the lens does not rotate, optional circular polarizing filters and the supplied petal-type hood can easily be used. A magnification scale is displayed on the lens barrel, ensuring ease of use. A zoom-lock switch mechanism is provided to prevent the lens from creeping due to its own weight. 69.3 – 7.1 degrees (Sigma SD format) angle of view 7 Diaphragm Blades F22 Minimum Aperture 45cm / 17.7 Minimum Focusing Distance 1 – 3.9 Maximum Magnification Petal Lens Hood Dimensions – Diameter 79mm x Length 100mm Weight – 21.5 ounces (610 grams)

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The Sigma 18-200 F3.5-6.3 DC OS HSM Lens incorporates an Optical Stabilizer function and is exclusively designed for digital SLR cameras. It is perfectly suitable for low light conditions whether indoors, at dusk, or in telephoto range. This system uses two sensors inside the lens to detect vertical and horizontal movement of the camera by moving an optical image stabilizing lens group, to effectively compensate for camera shake. It also automatically detects panning movement of the camera and compensates for camera shake when shooting moving subjects such as motor sports. 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. Since the inner focusing system means the front of the lens does not rotate, optional circular polarizing filters and the supplied petal-type hood can easily be used. A magnification scale is displayed on the lens barrel, ensuring ease of use. A zoom-lock switch mechanism is provided to prevent the lens from creeping due to its own weight. 69.3 – 7.1 degrees (Sigma SD format) angle of view 7 Diaphragm Blades F22 Minimum Aperture 45cm / 17.7 Minimum Focusing Distance 1 – 3.9 Maximum Magnification Petal Lens Hood Dimensions – Diameter 79mm x Length 100mm Weight – 21.5 ounces (610 grams)

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The EF17-40mm f/4L USM is an ultra wide angle Canon EF zoom lens meant for professional and high amateur SLR EOS camera users.While it is an excellent lens when used with an analog SLR camera, the EF17-40mm f/4L USM is especially well suited for digital SLR cameras with an imaging sensor size smaller than the 35mm format. Indeed on such digital SLR cameras these focal lengths can give an angle of view approximately equivalent to that of a 28-70mm lens used on a 35mm camera, which makes it the ideal standard zoom lens.The EF17-40mm f/4L USM has 12 lens elements arranged in 9 groups. Super Spectra Coating on the elements ensures excellent color balance and minimizes ghosting and flare. To provide superb image quality over a 17-40mm zoom range the lens uses three aspheric elements of two different types, while Super UD (Ultra-low Dispersion) glass is used to prevent the chromatic aberrations that often can degrade the subject edge clarity.Minimum focusing distance is just 28mm throughout the entire zoom range. The Auto-focus works silently and quickly thanks to a fast central processing unit with an improved AF algorithm. You can override AF mode with manual focus should you wish. Controlled by an electromagnetic diaphragm, the EF17-40mm f/4L USM’s circular aperture can achieve a more attractive appearance to out of focus background areas in a picture. The front of the lens does not rotate as you focus. This means, for example, that polarizing filters still function effectively as you zoom in and out. At the rear of the lens there’s a drop-in gelatin filter holder. Highly resistant to moisture and dust, the EF17-40mm f/4L USM is ideally suited for use in harsh environments. Environment friendly lead-free glass is used throughout its construction.

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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.

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B+W Circular Polarizer is a highly efficient standard circular polarizing filter for all cameras with beam splitters in the light paths of their TTL exposure meter and with autofocus lenses. Circular polarization has the same pictorial effect as linear polarization, but allows for proper exposure metering and/or autofocus distance settings. B+W Polarizing Filters are available uncoated and with B+W’s proprietary MRC coating.

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Light rays, which are reflected by any surface, become polarized and polarizing filters are used to select which light rays enter your camera lens. PL-CIR (Circular Polarizing) filters have the same effect, but it is important that you choose the correct version for your camera. They allow you to remove unwanted reflections from non-metallic surfaces such as water, glass etc. They also enable colors to become more saturated and appear clearer, with better contrast. This effect is often used to increase the contrast and saturation in blue skies and white clouds. HOYA’s polarizing filters do not affect the overall color balance of a shot.

User Ratings and Reviews

5 Stars A MUST HAVE IN EVERY SLR GADGET BAG
This filter is the most important piece of equipment in any SLR photographers gadget bag! I finally got one at a great deal thru Amazon. You won’t believe what you’re missing out on. I read the reviews and thought it was a lot for a filter but oh boy what a difference it makes! Deep blue skies is just the beginning. As long as you shoot at an angle to the sun you’ll see the difference right in your view finder.

ps Don’t forget to remove when shooting back in low light conditions,you lose about two f-stops with the filter on.

5 Stars A Great Brand Name Filter
Hoya is the best when it comes to combining quality and reasonable price. It is used by professionals and amateurs alike. If you are using a film or digital SLR camera (with thru-the-lens metering), you must use a circular polarizer instead of a conventional one, or the metering will be way off. This unconventionally-sized 72mm filter is the one to use for those who have the Nikon 18-200mm VR lens.

5 Stars Good Service
Good company. I’m UK based so it was vital they took the order and dispatched while I was still on vacation in the US. No problems.

5 Stars Good filter
The Hoya filter arrived on time and has so far done a fine job for me. I am an amateur photographer, so I’m sure there are other filters out there that pro’s would prefer, but this does what I wanted it to do. It is multi-coated, and so far I haven’t had any lens flare problems. I am using it primarily on a Nikon 18-200mm lens. I would recommend it to anyone looking for a mid-priced, good polarizing filter.

3 Stars the good die young
Good to excellent color and light interplay (when used properly), capable of obtaining really desirable clarity and removing unlovely glare, shine and reflections. Unfortunately, the surface coating scratches very easily rendering the glass unusable. While walking around on a shoot, the camera twisted and brushed against my vest buttons. It might as well have been rocks as the accident scraped off some of the coating in the center of the glass. Granted, it could have scratched the lens (except I use a UV to prevent that) so it could have been worse. (Use your lens caps and hoods!)

I will be ordering the Heliopan Heliopan 77mm Circular Polarizer Lens Filter or the Heliopan 77mm Circular Polarizer Filter – SH-PMC (16 Layer Super Hard Multi-Coated) because Heliopan glass is “dyed in the mass” and as such it is far less prone to destruction from a simple act of carelessness. This route may be expensive, but so is replacing circular polarizers.

Another option, but not what I want to deal with is the Lee Foundation Kit LEE Filters Foundation Kit – Filter holder, an interesting way of building a flexible filter arsenal.

BTW, these filters are going to be thicker than others since that is the nature of the beast. I would recommend getting a 77mm (or greater) for a 72mm lens, then using a step-up ring to avoid (or reduce vignetting). Thinner rings are better, but cost more.

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It can be used with wide variety of subjects and it is an ideal large aperture standard zoom lens for digital SLR cameras featuring APS-C size image sensor.This lens has a minimum focusing distance of 7.9″ (20cm) throughout the entire zoom range. Maximum magnification of 1:2.3 enables close-up photography like a macro lens. This lens design and multi layer lens coating reduce flare and ghosting, which is a common problem with digital cameras. A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations and produce a high level of optical performance throughout the entire zoom range.This lens offers a large aperture of F2.8 at 17mm wide angle and yet it is compact, with an overall length of 82.5mm (3.2″) and diameter 79mm (3.1″). It performs superbly even in relatively low light conditions indoors or at dusk.The lens design incorporates an inner focusing system, which ensures fast AF speed as well as prevents the front of the lens rotating, making it particularly suitable for use with circular polarizing filters and petal shaped lens hoods. This lens is also equipped with Zoom Lock Switch that eliminates ‘Zoom Creep’ during transportation.

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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 prevents the 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.

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The Sigma 105mm f2.8 EX Macro delivers superb, distortion-free images throughout its broad focus range, from infinity telephoto to 1: 1 (life-size) macro, as close as 12.3″ without accessories. Its non-rotating front lens group makes it easier to work with polarizing filters and has a focus limiter.A “focus-free” mechanical design allows the lens to auto focus without any interference from the manual focus ring. This makes it easier to hold the lens without affecting the speed or normal operation of the autofocus function. Rugged mechanical construction also makes it durable enough for even the heaviest use required by professional photographers.The Sigma 105mm f2.8 EX Macro features the new deluxe external EX finish. These features and other Sigma optical advances, including an uncommonly broad range of focus, make this an ideal lens for a wide variety of applications, from nature photography to portraits. A handy screw-in type metal sunshade makes it easier to rotate a polarizing filter.

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The effective arrangement of Special Low Dispersion (SLD) and aspherical glass elements has created a lens of compact dimensions. With an overall length of 84.7mm (3.3in.), it is the smallest lens of this focal range. This lens offers a large aperture of F 2.8 over its entire range of focal lengths, which is ideal for low light situations both indoors and out. It has a large depth of field that offers the photographer greater freedom of expression.By using a new technology and optical design, this lens satisfies the needs of digital photography. Two Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with wide-angle lenses. Four aspherical lenses, one molded glass type and three hybrid aspherical types, offer excellent correction for distortion as well as all types of aberration. The design concept of this lens is especially suitable for the characteristics of Digital SLR Cameras. New coating reduces flare and ghost, which is a common problem of digital cameras and also creates an optimum color balance. This lens has excellent correction for “light-fall-off”, which is a common problem of large aperture lenses.The design ensures sufficient illumination of the corners of the image.It is capable of taking pictures with a minimum focusing distance of 38cm (15.0in) at all focal lengths. It is very effective for close-up photography. The high performance inner focus system is particularly suitable for using circular polarizing filters and a petal-type hood as the front of the lens does not rotate.This lens is also equipped with a zoom lock that eliminates “Zoom Creep”. This remarkably compact, high performance zoom lens is ideally suited for traveling.

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Capture the far-off action of fast-paced sports or zoom in for an intimate portrait with the Canon EF 70-200mm telephoto zoom lens. The L-series lens offers an Image Stabilizer that provides up to four stops of shake correction–a first for Canon IS lenses. The use of fluorite UD lens elements, meanwhile, produces an excellent optical performance in terms of resolution and contrast. Add in a sturdy housing with water- and dust-proof construction and you have a lens that’s both portable and high performing. Other details include an f/4 maximum aperture, a ring-type ultra-sonic monitor (USM) that enables quick and quiet autofocusing, compatibility with circular polarizing filters, and a lightweight body. The lens carries a one-year warranty.

• Focal length: 17-200mm
• Maximum aperture: f/4
• Lens construction: 20 elements in 15 groups
• Diagonal angle of view: 34 to 12 degrees (with full-frame cameras)
• Focus adjustment: AF with full-time manual focus
• Closest focusing distance: 3.94 feet
• Zoom system: 7-group helical zoom (72-degree rotational angle)
• Filter size: 67mm
• Dimensions: 3 inches in diameter, 6.8 inches long
• Weight: 26.8 ounces

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This lens has a large aperture of F2.8 throughout the entire zoom range, a minimum focusing distance of 20cm (7.9″) and a maximum magnification of 1:3, making it ideal for close-up photography.Specially designed to suit the characteristics of digital SLR cameras this lens provides a high level of optical performance. Its design incorporates both glass-mold and hybrid aspherical lens technology which offers superior peripheral brightness, extremely high image quality as well as a compact and lightweight construction.Special Low Dispersion (SLD) and Extraordinary Low Dispersion (ELD) glass elements provide excellent correction of color aberrations. The super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras. High image quality is assured throughout the entire zoom range. An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the petal-type lens hood (supplied) plus circular polarizing filters.

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