Comparisons / Comparison of Sigma 12-24mm ƒ/4.5-5.6 EX DG Aspherical HSM and Sigma 15-30mm f/3.5-4.5 EX DG Aspherical

Comparison of Sigma 12-24mm ƒ/4.5-5.6 EX DG Aspherical HSM and Sigma 15-30mm f/3.5-4.5 EX DG Aspherical [S]ave

Attribute
Sigma 15-30mm f/3.5-4.5 EX DG Aspherical ×
Sigma 12-24mm ƒ/4.5-5.6 EX DG Aspherical HSM ×
Diagonal Angle of View (degree)71.60 - 110.5084.10 - 122.00
NotesAvailable AF Mounts: Sigma, Canon, Nikon, Minolta, PentaxAvailable AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax
Aperture (f)3.50 - 22.004.50 - 22.00
Closest Focus (m)0.30.28
Magnification Ratio (x)0.170.14
TypeWide ZoomWide Zoom
Focus DetailsInternal Focus with Dual Focus mechanismInternal Focus; HSM with full-time manual override
APS Equivalent1.5x: 22.5 - 45mm; 1.6x: 24 - 48mm1.5x: 18 - 36mm; 1.6x: 19.2 - 38.4mm
Diaphragm Blades86
Image Circle35mm35mm
Focal Length (mm)15.00 - 30.0012.00 - 24.00
BrandSigmaSigma
NameSigma 15-30mm f/3.5-4.5 EX DG AsphericalSigma 12-24mm ƒ/4.5-5.6 EX DG Aspherical HSM
Weight (g)615600
Zoom SystemRotaryRotary
Length (mm)132.5102.5
Diameter (mm)8787
Lens Construction17 elements in 13 groups, including 2 aspherical elements16 elements in 12 groups, including 3 aspherical and 4 SLD elements



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