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
via:PR