Sigma 8-16mm F4.5-5.6 DC HSM Lens,


C
ompared to the Sigma 10-20mm, this lens is way harder to use. By tilting
ever so
slightly causes the vertical lines to tilt (you will find yourself
living on Photoshop). Also compared to the 10-20mm, there seems to
be less blue
flare, although it may be
still be there, but spread over a larger area and not as
prevalent and some what less
common although some flare can always be assumed with a
super wide
lens. The frame edge curvature appears similar to the 10-20mm. This
is considered a good thing for a lens of this width.
With
The Sigma 8-16mm F4.5-5.6 DC HSM Lens, Sigma has gone ultra wide.
This is Sigma's widest-angle rectilinear lens yet and created in
particular for APS-C DSLR camera. Fundamentally a counterpart to the company's
full frame 12-24mm lens, and introduces a
bewildering-wide angle of view of 121 degrees for
overstated viewpoints. It has a a minimum focus of 24cm, a built-in hood
with a petal shape, and hyper-sonic focusing that has a full-time manual override.
Being one of a kind, the Sigma 8-16mm F4.5-5.6 DC HSM is the initial ultra wide zoom lens with a
least possible focal length of 8mm,
created in particular for the APS-C size image sensor. It has an
corresponding angle of view of a 12-24mm lens used on an
APS-H size image sensor digital camera
With an accomplishment similar to fluorite glass,
Sigma's new FLD glass elements, counteract for color aberration. Two glass mold elements
and one hybrid aspherical lens
provide outstanding adjustment for astigmatism
and distortion.
High definition images throughout the entire zoom range are produced by an inner
focusing system while flare and ghosting are reduced by the Super Multi-Layer Coating
whereas exceptional high contrast images and peripheral brightness occurs throughout the
whole zoom range.
The Hyper Sonic Motor (HSM) makes certain for quiet, high speed autofocus (AF)
along with full-time manual focus ability. There is a minimum focusing distance of 9.4 inches
all the way through the whole zoom range. Now photographers can give emphasis to the subject by
fashioning overstated perceptions. A compactly constructed lens with a short overall length of 4.2 inches and a maximum diameter of
just 2.9 inches which is just the thing for creating group pictures,
landscape photography, building interiors,
wedding photography,
photojournalism,
architecture and other types
of photography.
HSM suggests this lens will autofocus on Nikon D40/D40x,
Nikon D60, Nikon D3000,
Nikon D3100 and the
Nikon D5000 DX Cameras

Slightly underexposes compared to NikKor lenses
- Slow f/4.5 maximum aperture and cannot be used with the built in camera flash
Serious vignetting will occur if the lens is used with
APS-H digital cameras or on 35mm SLR cameras.
Announced Feb 20, 2010
12/05/2010

Features
• A DC series lens created just for for use with the APS-C or 4/3 cameras
• Hyper-Sonic Motor (HSM ) makes certain of a quiet, fast auto focus
• FLD glass elements are equal to fluorite glass with counterweights for color aberration
• Two glass mold elements and one Aspherical lens and
• Creates photos with overstated viewpoints with its wide angle view from 121.2 Degree
Lens Includes
• Lens Hood
• Front & Rear Lens Caps
• 1 Year Warranty
• 3 Year Sigma U.S.A. Extended Warranty