Type: SIGMA 30mm f/1.4 DC DN Contemporary Lens for Sony Mirrorless Cameras and APS-C format e-mount The lens is made in Brazil and features a maximum aperture of f/1.4, high-quality optical design with aspherical and high-refractive index elements, and a stepping AF motor for smooth, near-silent autofocus.
Compatibility: EOS 7D, 60D, 50D, 40D, 30D, 20D, Rebel T2i, Rebel T1i, Rebel XSi, Rebel XS, Digital Rebel XTi, Digital Rebel XT, Digital Rebel only
Diameter: 67 mm
Specifications: Focal Length & Maximum Aperture: 17 - 85mm; 1:4-5.6
Lens Construction: 17 elements in 12 groups
Diagonal Angle of View: 78° 30' - 18° 25'
Focus Adjustment: Inner focusing system, with focusing cam
Closest Focusing Distance: 0.35m - 1.15 ft.
Zoom System: Ring USM
Max. Diameter x Length, Weight: 3.1" x 3.6", 16.8 oz. / 78.5 x 92mm, 475g
Dimensions: Mechanical & Electrical Properties
Folded: 236×64×316 mm (L×W×H, excluding the tripod and the Quick-Release Plate)
Unfolded: 175×182×338 mm (L×W×H, excluding camera, tripod, and the Quick-Release Plate)
Weight: Mechanical & Electrical Properties
Gimbal: Approx. 890 g (2 lbs) (including the Quick-Release Plate and excluding the tripod)
Extended Grip/Tripod: Approx. 140 g (0.3 lbs)
Image Sensor: Type: 4/3'' Live MOS sensor
Effective pixels: 20.3 Megapixels
Full resolution: 21.8 Megapixels
Aspect ratio & area: 4:3 / 17.3 x 13.0mm
Filter array: Primary colour filter (RGB)
Viewfinder Type: Electronical Viewfinder
ISO Sensitivity: Auto: ISO LOW* - 6400
Note: *approx. 100
Manual: ISO LOW - 25600 (adjustable in 1/3 EV step)
Shutter Speed: Shutter speed range: 1/4000 - 60s (in 1/3 EV steps)
Bulb mode: Up to 30 minutes (selectable longest time in the menu, default: 8 minutes)
Shutter type: Electronic first curtain shutter
Shutter speed: 1/320* - 60s
Note: * For speeds over 1/320 sec., mechanical shutter will automatically be selected.
Shutter type: Electronic shutter
Shutter speed: 1/16000 - 60s