The pricing for the new Irix 150mm f/2.8 Macro 1:1 lens for Nikon F-mount is now officially announced: $595. Pre-orders are now open at B&H Photo. Additional information, including MTF chart, distortion graph and technical specifications: Compatible sensor size 35mm “Full Frame” and smaller Focal length 150 mm Maximum aperture F2.8 Field of view 160 (diagonal) Range of focus 0.345 m (0.92 ft) - ∞ Focus setup manual Focus ring rotation angle 270 degrees Magnification ratio 1:1 Minimum focusing distance 0.345m Aperture range f/2.8 – f/32 Aperture control via camera Number of diaphragm blades 11 rounded aperturę blades Lens construction 12 elements in 9 groups (4x HR, 3x ED) Filter size φ77 mm Weight 840g Corresponding Mounts Canon EF, Nikon F, Pentax K Dimensions 87 x 135 mm (without tripod collar and lens hood) Lens hood Detachable Additional features Focus Lock ring Detachable tripod collar Sealings Front element (1 O-ring) Focus Lock ring + Focusing ring (3 O-rings) Bayonet mount (1 O-ring) Medium telephoto prime is designed for Nikon F-mount cameras, however is also suitable for DX models where it will provide a 225mm equivalent focal length. Bright f/2.8 maximum aperture suits working in a variety of lighting conditions and also affords greater control over depth of field. Ideal for macro shooting, this lens offers a life-size 1:1 maximum magnification along with a minimum focusing distance of 1.1' to suit working with close-up subjects. A Neutrino coating has been applied to limit lens flare and ghosting for improved contrast...
Published By: Nikonrumors - Monday, 5 November, 2018