Preorders: BHphoto, Amazon, Adorama. Fotoerhardt, Fotokoch, Calumet, WexUK. Clifton. ParkCameras. CameraHouse.
This lens has the potential to be more popular than I expected. The focal length range and aperture values make it very useful and practical to use in many scenarios. Christopher Frost just named it his favorite zoom lens of all time:
In Italian:
