Sigma Sigma 12-24Mm F/4 Dg Hsm Art Lens For Nikon F Mount Nikon F Mount

Sigma 12-24Mm F/4 Dg Hsm Art Overview

The Nikon F-Mount Sigma 12-24Mm F/4 Dg Hsm Art-Series Zoom Lens Is Designed To Reduce Distortion And Deliver Sharpness. Low Dispersion And Aspherical Elements Minimise Chromatic And Spherical Aberrations, While A Super Multi-Layer Coating Helps To Reduce Lens Flare And Ghosting. Enjoy High Clarity And Colour Accuracy In A Range Of Lighting Conditions.

Benefitting Handling, This 12-24Mm Is Equipped With A Hyper Sonic Af Motor With An Optimized Algorithm For Speed And Accuracy. The Lens Also Offers A Large Focusing Ring With Full-Time Manual Override Settings For Quickly Making Adjustments. A Rounded 9-Blade Diaphragm Improves Image Quality By Helping Create Smooth Bokeh, And The Lens Is Constructed From A Lightweight And Durable Thermally-Stable Composite. Additionally, A Built-In Lens Hood Helps To Protect The Front Element As Well As Prevent Stray Light From Causing Flare.

• As Part Of The Art Line Within Sigma’S Global Vision Series, This Lens Is Designed To Achieve Truly Notable Optical Performance And Is Ideally Suited For Creative And Artistic Applications.
• Wide-Angle Zoom Is Designed For Fx-Format Nikon F-Mount Cameras, However, Is Also Suitable For Dx Models Where It Provides An 18-36Mm Equivalent Focal Length Range.
• Constant F/4 Maximum Aperture Provides Consistent Illumination Throughout The Zoom Range.
• One Special Low Dispersion (Sld) Element And Five F Low Dispersion (Fld) Elements Markedly Reduce Chromatic Aberrations And Colour Fringing Throughout The Zoom Range For Improved Clarity And Colour Accuracy.
• Three Aspherical Elements Control Spherical Aberrations And Distortion For Increased Sharpness And Accurate Rendering.
• A Super Multi-Layer Coating Has Been Applied To Lens Elements In Order To Minimize Lens Flare And Ghosting And Contribute To Producing Contrast-Rich And Colour-Neutral Imagery, Even In Backlit Conditions.
• Integrated Hsm (Hyper Sonic Motor) Realizes Quick And Quiet Autofocus, Which Is Further Complemented By An Optimized Af Algorithm To Produce Smoother Focusing Performance. The Hsm Also Permits Full-Time Manual Focus Control Simply By Rotating The Focus Ring At Any Time.
• The Rounded Nine-Blade Diaphragm Contributes To A Smooth And Pleasing Bokeh Quality.
• The Front Lens Element Has Been Treated With A Water- And Oil-Repellent Coating To Benefit Working In Harsh Environmental Conditions.
• Constructed Using A Thermally Stable Composite (Tsc) Material For Greater Precision And Use In Wide Temperature Variations. Additionally, A Brass Bayonet Affords Improved Mounting Accuracy And Rigidity. Additionally, Rubber Sealing Is Incorporated In The Mount Design To Render It Dust- And Splash-Resistant.
• The Specialized Electromagnetic Aperture Mechanism Provides Greater Exposure Control Stability That Is Especially Beneficial When Working With Fast Continuous Shooting Rates.
• This Lens Is Compatible With The Optional Sigma Usb Dock For Fine-Tuning Different Lens Characteristics And Updating Its Firmware.