The Zeiss Distagon T* 15mm f/2.8 ZE Lens for Canon EF Mount is a precision ultra wide-angle lens built with a Carl Zeiss T* anti-reflection coating that yields images with depth, contrast, and brilliance even under difficult lighting situations. It also delivers photos with contrasting edges, without color fringing. This manual focus ultra wide-angle provides the photographer with a tool that enables dramatic perspectives and creative possibilities. It's useful for landscape photography, interiors and other subjects that require its unique spatial organization. It focuses to 9.84" (24.99 cm).