Sigma 50mm F1.4 EX DG HSM

Announced Mar 18, 2008 •
Prime lens | Canon EF, Four Thirds, Nikon F (FX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha | 310
Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 50 mm
Image stabilization No
Lens mount Canon EF, Four Thirds, Nikon F (FX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha
Aperture
Maximum aperture F1.4
Minimum aperture F16
Aperture ring No
Number of diaphragm blades 9
Aperture notes rounded blades
Optics
Elements 8
Groups 6
Special elements / coatings 1 Aspherical element
Focus
Minimum focus 0.45 m (17.72)
Maximum magnification 0.14×
Autofocus Yes
Motor type Ring-type ultrasonic
Full time manual Yes
Focus method Unit
Focus notes internal to lens barrel
Distance scale Yes
DoF scale Yes
Physical
Weight 505 g (1.11 lb)
Diameter 85 mm (3.33)
Length 68 mm (2.69)
Materials Plastic barrel, metal mount
Colour Black
Filter thread 77.0 mm
Filter notes Does not rotate on focus
Hood supplied Yes
Tripod collar No
Other
Notes Nikon, Pentax, Sigma, Sony & Four Thirds mounts
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