The Pentax 90mm f2.8 AW SR ED Macro is a fast, medium-telephoto lens (equivalent to 71mm in 35mm format) for use with Pentax's 645-mount medium format cameras. Its rounded 9-blade diaphragm and bright f2.8 aperture provide greater control over depth of field and allows for a beautiful bokeh effect for the areas that are out of focus, making it the perfect lens for portrait photography. More
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Pentax 90mm f2.8 AW SR ED Macro 645 Mount Lens
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The Pentax 90mm f2.8 AW SR ED Macro is a fast, medium-telephoto lens (equivalent to 71mm in 35mm format) for use with Pentax's 645-mount medium format cameras. Its rounded 9-blade diaphragm and bright f2.8 aperture provide greater control over depth of field and allows for a beautiful bokeh effect for the areas that are out of focus, making it the perfect lens for portrait photography.
Key Features: Pentax 90mm f2.8 AW SR ED Macro 645 Mount Lens
Medium-telephoto macro lens
Compatible with Pentax 645 medium-format cameras
Fast f2.8 maximum aperture
SR (Shake Reduction) mechanism
Quick-shift focus mechanism
HD and Aero Bright lens Coatings
Weather and dust resistant
Indoor photography, portraiture and macro photography
Quiet, accurate SDM autofocus motor
When mounted on a Pentax 645D medium format digital SLR camera body, this medium-telephoto lens offers a focal length of approximately 71mm (or approximately 65mm when mounted on a Pentax 645 film-format camera body) in the 35mm format.
Two ED (extra-low dispersion) elements and one glass-molded aspherical element
Incorporates two ED (extra-low dispersion) elements and one glass-molded aspherical element in its optics to assure high-resolution image reproduction over the entire image field and effectively reduces chromatic aberration. At larger apertures, this lens defines the subject with fine, delicate lines and soft velvety edges that are ideal for portrait photography. At smaller apertures, this lens produces sharp, solid images to make it useful for applications other than portraiture, such as scenic and still-life photography.
Pentax -innovated SR (Shake Reduction) mechanism
This is the first lens to incorporate the Pentax -innovated SR (Shake Reduction) mechanism within the lens barrel. This mechanism effectively compensates for camera shake up to approximately 3.5 shutter steps and assures the user sharp, blur-free images, even under conditions prone to camera shake, such as handholding, poorly lit locations and photographing scenes at or near dusk.
Twill-patterned focus ring and metal rings
Along with the traditional Pentax medium-format lens design including twill-patterned focus ring and metal rings, this lens features a red ring at the front end of the focus ring to signify the new HD (High Definition) Pentax lens series and enhance its exclusive appearance.
SP (Super Protect) coating
SP (Super Protect) coating is applied to the front surface of this lens to effectively repel water and grease, and for easy wipe-off of dust.
Magnification of 0.5 times
Offers macro photography at a maximum magnification of 0.5 times. In close-up applications, its floating lens mechanism effectively compensates for the curvature of the field to assure sharp, well-defined images.
High-grade multi-layer lens HD (High Definition) coating
Treated with the newly developed, high-grade multi-layer lens HD (High Definition) coating. This new coating offers higher light transmittance with reduced reflection to deliver sharp, clear images free of flare and ghosting, even under demanding lighting conditions. By coupling the HD coating with the Pentax-exclusive, high grade Aero Bright Coating, this lens optimizes light transmittance while minimizing refraction.
Dustproof and weather-resistant construction
Features a dependable dustproof and weather-resistant construction with 11 special seals to effectively prevent the intrusion of dust and water into the lens interior. With this lens, the user is assured of a durable, reliable imaging system that performs superbly in demanding outdoor settings - even in the rain, or locations prone to water splash.
Quick-Shift focus system
The Quick-Shift focus system allows for instant switching to manual-focus operation after the subject is captured in focus by the camera’s AF system.
This lens is designed with a rounded diaphragm to produce a smooth, beautiful bokeh, while minimizing the streaking effect of point light sources.
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