Micro-Nikkor 55mm f/2.8. Nikon’s Close-Range Correction System provides outstanding close focusing performance even when shooting at minimum focus distance. Continuous operation as possible from infinity to a reproduction ratio of 1 : 2 and with the PK-13 auto extension ring from 1 : 2 to 1 to 1:1 life-size. Engraved dual reproduction ratio scales for fast operation at predetermined ratios with or without the PK-13 ring. Exceptional sharpness and flatness of field guaranteed by superior optical design, plus Nikon Integrated Coating. Stops down to f/32 to permit maximum depth of field – particularly useful in close-up and macro photography. Excellent for critical copying of flat objects, such as coins and documents, yet it’s 43° picture angle makes the 55mm Micro also an excellent lens for landscapes, candids and general photography. Lens construction 6 elements in 5 groups Picture angle 43° Aperture range f/2 .8 to f/32 Distance scale graduated in metres and feet from 0.25 m (9–13/16 ins) to infinity; with PK-13 ring, from 02.25 m (8-13/16 ins) to 0.249 m (9–13 /16 in). Weight 290g 52 mm front screw-in Accessories: (not included) Lens hood HN-3 screw-in type lens Case lens only CL-31S as hard leatherette, No. 61 soft pouch. Usable Teleconverter: TC-200 or TC-201 2x The great advantage of these lenses is the combination of pinpoint accurate control over focus (essential for macro photography) together with ultra-sharpness and the presence of an aperture ring to allow for use with bellows, PK-11A, PK-12, PK-13 and PN-11 rings and other accessories such as slide copy adapters (ES-1). The lens is much in demand by professionals including an Oscar nominee cinematographer and an Oscar winning cinematographic company. The Recommended Retail Price of this lens is £626.00.