Update: the lens is now officially announced.
A quick update from PhotoRumors that I think (if true) will be of huge interest for Nikon DX shooters: Sigma is rumored to announce a new 18-35mm f/1.8 DC HSM lens for APS-C based DSLR cameras (27-52.5mm equivalent). That’s right, a constant f/1.8 zoom lens! I initially did not believe this report, but the Czech website Fotoradce just published detailed specs of the upcoming lens:
- 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
- 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
