Sigma 18-35mm f/1.8 DC HSM lens to be announced soon (leaked image, specs)

Sigma 18-35mm F1.8 DC HSM

Update: Sigma 18-35mm f/1.8 DC HSM lens now officially announced.

A leaked image and specs of Sigma 18-35mm f/1.8 DC HSM lens for APS-C DSLRs shows up on The Czech website Digiarena. This rumored Sigma f/1.8 zoom lens seems a great news for APS-C based DSLRs.

 Sigma 18-35mm f/1.8 DC HSM lens specs:
  • Designed for APS-C based DSLR cameras
  • Ultrasonic autofocus (HSM)
  • 9 aperture blades
  • Type A (Art), which guarantees quality materials, metal bayonet
  • Filter size: 72mm
  • Minimum aperture: f/16
  • Lens construction: 17 elements in 12 groups
  • The maximum magnification ratio: 0.23x
  • Weight: 810 grams, length: 121mm
  • Angle of view: 76.5 – 44.2°
  • Internal zoom and focusing
  • Minimal focusing distance: 28cm