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" x 3.9" Weight (g/oz) 615/21.6
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 a problem with some wide angle lenses.
The minimum focus distance is a constant at all focal lengths. The lens is equipped with an integral petal hood against extraneous light. This lens is also capable of full manual focus.
The lens is made of Black non reflective material with non slip rubber on the Zoom and manual focus rings.
Using the lens in its super wide angle mode for landscape photography gives a very pleasing result. It is also useful if you are trying to get all of a large steam railway engine into one shot.
I feel that I should go no about this lens but really if you want the best landscapes, get this lens.
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In this instance however, I do feel that you should perhaps go into a bit more detail about how to use the lense and your impressions from using it. Martin.
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