Advantages: Excellent field of view Disadvantages: none that I have found in months of use
Sigma Wide Zoom Lens.
If you want a panorama of a landscape then you should try this lens.
Described as 12 - 24mm f5-5.6 EX DG Aspherical HSM
Technical details first. To fit Sigma, Canon and Nikon (D)
Lens construction Groups/elements 12 / 16
Angle of view (degrees) 122.0 - 84.1
Diaphragm blades 6
Minimum Aperture (wide) F22
Minimum Focus (cm/in) 28/11
Filter size (mm) Rear Mount gelatin filter
Dimensions diameter x length 87/100mm / 3.4" ... ...Fitted with Hypersonic motor.
Comes with its own carry case with a belt mounting attachment and template to make the gel filters.
This is a lens designed for a digital camera.
It is an ultra wide angle lens (122 degrees)
at 12mm along the diagonal axis and is ideal
for both indoor and landscape photography.
The lens itself is made of special low dispersion
glass and is arranged in such a way as to correct
for colour aberration which can be ...
Coloneljohn 05.11.2004
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