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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!

Discussion 725 posts |  Only members can post. Join?

Title Author Replies Latest Post
Stop lagalised theft of copyrighted works. (Please read) Taron Curtis 0 2 weeks ago
Love your 10-20? Then say so! shad_41 227 2 weeks ago
The evils of HDR... baloo2 23 2 weeks ago
Recommendations for size of square filters for f3.5 lens garrellmillhouse 11 4 weeks ago
Sigma 10-20 for Sony Benji2442 11 5 weeks ago
10-20mm with 1.4 teleconverter on a D800 Singlemomentintime 8 5 weeks ago

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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
Maximum aperture:f/3.5
Minimum aperture:f/22
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
Aperture blades:7
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.
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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.
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(group created: September, 2005)

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