Hasselblad CP.HB.00000383.01 OverviewIdeally suited for portraiture and landscape, the XCD 135mm f/2.8 Lens with X Converter 1.7x from Hasselblad is a short telephoto prime bundled with a dedicated 1.7x teleconverter. With X-series mirrorless medium format cameras, the lens itself offers a 105mm equivalent focal length, and when the teleconverter is in place, this equivalent focal length is increased to 178mm. The flattering perspective of the short-tele pairs with the close 3.3' minimum focusing distance to suit photographing close-up subjects, and an advanced optical design helps to realize high clarity and sharpness throughout the focusing range. Like other XCD lenses, the 135mm f/2.8 has an integrated Central Lens Shutter that is capable of shutter speeds up to 1/2000 sec with flash sync at all speeds, and its internal autofocus design can be manually overridden for precise manual focusing control.X Converter 1.7xIncluded with the 135mm f/2.8 lens is the dedicated X Converter 1.7x; a 1.7x teleconverter that offers an effective focal length of 226mm, or 178mm equivalent to full-frame sensors. The converter has a six elements, four groups optical design and maintains the autofocus, central shutter, and optical performance of the 135mm f/2.8 lens. When the X Converter 1.7x is in place, the effective specifications are:Aperture Range: f/4.8 to f/32Angle of View: 14°Minimum Focusing Distance: 3.4'Maximum Magnification: 1:3.4Dimensions: 3.2 x 7.7" / 81 x 195 mmWeight: 3 lb / 1372 g