This telephoto lens is ideal for near natural snapshots and portrait photography. It is a fast speed lens which acquired the high performance of the FL 100mm f/3.5, regarded as the sharpest of all Canon telephoto lenses. Its telephoto ratio is very small and has an overall length of 57mm but high contrast and image-forming qualities are superb. SPECIFICATIONS Type: Short telephoto Angle of view: 24 degrees Minimum Aperture: F/22 Closest Focusing Distance: 3.5ft Filter size: 55mm Lenshood: optional BT-55 Length: 2 1/4 in Weight: 13.2 oz.