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Steve Webel (a group admin) says:
18 Aug 09 - Welcome to the group devoted to all things Sigma 10-20mm!
Please join in on the discussions below, and don't forget to post your best wide-angle shots into the photo pool!
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About Sigma 10-20mm
This group is for everything and anything relating to the Sigma 10-20mm Super wide-angle zoom lens.
There are now two versions of this lens. The newest has a 3.5 Aperture throughout the zoom range:
SIGMA 10-20mm F3.5 EX DC HSM Lens Specs:
Focal length: 10-20mm
Lens construction:13 elements / 10 groups
Angle of view:102.4° - 63.8°
Closest focus distance:24cm / 9.4in
Maximum reproduction ratio:1:6.6
Filter attachment size:82 mm
Lens Mount:Sigma, Canon, Nikon(D), Sony(D), Pentax
Dimensions:87.3mm × 88.2mm (3.4in × 3.5in)
For some specs and the announcement about this lens, check out dpreview's look at the *new Sigma 10-20mm lens. There will hopefully be a full review soon.
Sigma 10-20mm 1:4-5.6 EX DC HSM Lens Specs:
Focal Length: 10 - 20 mm
Minimum Aperture: F22
Lens Construction: 14 Elements in 10 Groups
Angle of View: 102.4° - 63.8°
Number of Diaphragm Blades: 6 pieces
Minimum Focus Distance: 24 cm (9.4 in)
Maximum Magnification: 1:6.7
Filter Size: 77 mm
Lens Hood: Petal Hood
Dimensions (dia x len): 84 mm (3.3 in) x 81 mm (3.2 in)
Weight: 470 gram (16.6 ounces)
Lens mounts: Canon, Sigma, Nikon, Pentax, Sony
For a review of this lens, check out dpreview's look at Sigma's 10-20mm lens.
(group created: September, 2005)
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