Pentax Pentax 90Mm F/2.8 D Fa 645 Macro Ed Aw Sr Lens Macro Lenses

With The Incorporation Of Pentax-Original Hd Coating And The Pentax-Innovated Lens-Installed Sr (Shake Reduction) Mechanism, This Medium-Telephoto Pentax 90Mm F/2.8 D Fa 645 Macro Ed Aw Sr Lens Assures Bright, Velvety Imagery That Is Ideal For Portrait Photography. 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.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.

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.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 Is Applied To The Front Surface Of This Lens To Effectively Repel Water And Grease, And For Easy Wipe-Off Of Dust.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.

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. 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. 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.

Features:

• Compatible With Pentax 645 Af2 Lens Mounts.
• Medium Portrait-Length Lens Is Equivalent To 71Mm In 35Mm Format, Giving A Slightly Longer-Than-Normal Angle Of View.
• Fast, Bright F/2.8 Maximum Aperture Helps Control Depth Of Field And Enables Greater Versatility When Working In Low-Light Conditions.
• Quick-Shift Focus System Allows You To Instantly Switch Between Auto And Manual Focusing Modes.
• Hd, Aero Bright, And Sp Coatings Help To Improve Light Transmission, Reduce Lens Flare And Ghosting, And Aid In Greater Protection For The Lens Surfaces.
• Dustproof And Weather-Resistant Construction Provide Increased Protection When Working In Poor Conditions.