Sigma 28-300mm f/3.5-6.3 DG IF Macro Aspherical Lens for Canon SLR Cameras

Product Features Compact, high-performance zoom lens Aspherical lens element corrects distortion Minimum focusing distance of 50 centimeters Focal length from 28 to 300 millimeters Corresponding AF mounts: Canon SLR cameras Technical Details Brand Name: Sigma Model: B0009XQPJ8 Lens Type: Zoom lens Mounting Type: Canon EF Minimum focal length: 28 millimeters Maximum focal length: 300 millimeters min_focal_range: 19.7 inches maximum_aperture_range: F/3.5-6.3 Camera Magnify Power: 1 / 3 lens_system_special_functions: Zoom, Macro Focus Type: auto-focus, manual-focus Real Angle Of View: 75.4 Weight: 16.2 Ounces Item Display Diameter: 2.9 inches Length: 3 inches
Product Description Manufacturer Description
The Sigma 28-300mm f3.5-6.3 Macro lens covers all the focal lengths from 28mm wide angle to 300mm telephoto with 10.7:1 high zoom ratio as well as macro capability. 28-300mm F3.5-6.3 Macro packs a lot of performance in a compact package with ultra compact dimensions that make this lens the ultimate traveling companion length.
Two-piece Special Low Dispersion (SLD) glass elements and four-piece
aspherical lenses produce a high level of optical performance.
The
28-300mm f3.5-6.3 Macro lens feature two-piece Special Low Dispersion SLD glass
elements and four-piece aspherical lenses to produce a high level of optical
performance. Aspherical lenses provide excellent correction for all types of
aberration while making a very compact construction possible.
Macro photography with a 1:3 maximum photography ratio
The 28-300mm
f3.5-6.3 Macro lens has a minimum focusing distance of 19.7 inches (50
centimeters) at all focal lengths and is equipped with a macro mechanism for
close-up photography at 300-millimeter telephoto, with a reproduction ratio of
1:3.
Inner Focus System
This design allows for stability and compactness
in design as changes in focus are made in an internal lens grouping. This also
gives the advantage of a non rotating front lens assembly which is of great
benefit when using polarizing filter and Petal-type hood.
The "Zoom Lock" device prevents the zoom setting from being changed
inadvertently.
The 28-300mm f3.5-6.3 Macro lens is equipped with a zoom
lock to prevent the lens from creeping due to its own weight, and to offer
protection whilst the lens is being carried.
DG Lens
These are large-aperture lenses with wide angles and short
minimum focusing distances. With an abundance of peripheral illumination, they
are ideal lenses for digital SLR cameras whilst retaining suitability for
traditional 35mm SLRs.
Product Description
Sigma Photo
28-300mm F3.5-6.3 MACRO lens covers all the focal lengths from 28mm wide angle
to 300mm telephoto with 10.7:1 high zoom ratio as well as macro capability.
28-300mm F3.5-6.3 MACRO packs a lot of performance in a compact package with
ultra compact dimensions (Diameter 74mm and Length of 86mm) that make this lens
the ultimate traveling companion. It's the ideal lens all types of photography
and optimized for digital SLR cameras. This lens features one Special Low
Dispersion (SLD) glass element and one aspherical lens in the front lens group,
and one SLD glass element and three aspherical lenses in the rear lens group.
This lens provides excellent correction for all types of aberrations. The new
multilayer lens coating and lens design help reduce flare and ghost, which is a
common problem with digital cameras. They also create an optimum color balance
through the entire zoom range. 28-300mm F3.5-6.3 MACRO lens is equipped with a
zoom lock to prevent the lens from creeping due to its own weight, and to offer
protection while the lens is being carried. Incorporates 2 Low Dispersion SLD
glass It also has Aspherical lenses to produce a high level of optical
performance This lens has a minimum focusing distance of 19.7 inch (50 cm) in
all focal lengths The Special Low Dispersion (SLD) glass and aspherical lenses
give it high optical ability Has an inner focus system that allows it to be
focused without having to turn the front of the lens An all purpose zoom lens
can capture a wide ranging series of subjects using its wide angle,
ultra-telephoto and close-up capabilities Uses 62mm Filter and Hood Accessories
Weighs 17.3 ounces
Sigma 28-300mm f/3.5-6.3 DG IF Macro Aspherical Lens for Canon SLR Cameras user reviews
Overall, good lens for $200. If you have more money, then a lens with Image Stabilization (IS) would be the way to go. "
For the few of the people who reviewed this lens and put it on a Canon 30d or similar prosumer digital slr, the question I have is, why would you spend $2000 on a body and $250 on a lens???? It makes no sense! I have this lens mounted on my Canon Digital Rebel xti and it is a great match. I would love to have a faster zoom lens with a wider angle but I can't afford the extra cost at this time.
If you are like me and enjoy photography, as a hobby and not to make a living, you should buy this lens for it's superior versatility. If you are professional photographer and need superior quality, you shouldn't even be looking at this lens, so please do us casual photographers a favor, and don't review this lens! "
The focus speed is slower than my D50's kit lens and it is also noisyer, but not annoying. The only odd fuction is the manual focus; the internal gears do not disengage so you feel the gears whirring as you turn the focus ring, it feels a bit rough. The Nikon model of this lens does not have a manual focus switch on the lens, you have to use the camera body switch.
A bonus with this lens is that is does good macro photography. I was able to get sharp shots of flowers at close range with totally blurred backgrouds.
The lens needs a lot of light but 300mm is not very practical indoors so it is perfect for outdoor daytime photos. With the hotshoe flash the lens performs very well indoors.
The zooming action is a bit quick for my liking. Just a half turn of the barrel and you go from 28 to 300! You need a gentle touch to get just the right focal length.
I bought this lens instead of the Nikon 70-300 G. The 28-300 is a more useful range but you sacrifice speed (6.3 instead of 5.4 max aperture at 300mm). The Sigma is lighter and at least half an inch shorter than the Nikon at the smallest focal length. The Nikon had smoother zooming and faster focus. "
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