Sigma Sigma 28-70Mm F/2.8 Dg Dn Contemporary Lens For Sony E-Mount Sony E-Mount

Sigma 28-70Mm F/2.8 Dg Dn Contemporary Lens For Sony E-Mount

The Sigma 28-70Mm F/2.8 Dg Dn Contemporary Lens Designed For Sony E-Mount Is A Versatile Zoom Lens Covering A Wide-Angle To Portrait-Length Range, Distinguished By Its Constant F/2.8 Maximum Aperture. This Design Is Well-Suited For Working In Various Lighting Conditions While Providing Precise Control Over Depth Of Field. Notably More Lightweight And Compact Compared To Similar 24-70Mm Lenses, Its Optical Construction Includes Two Fld And Two Sld Low-Dispersion Elements, Along With Three Aspherical Elements, Effectively Minimizing A Range Of Aberrations. The Result Is High Sharpness, Enhanced Clarity, And Improved Colour Accuracy.

With Just One Lightweight Focusing Element, The Lens Keeps Its Autofocus (Af) Unit Compact. Combined With A Quiet And Fast Stepping Motor, This Configuration Ensures Responsive And Nearly Silent Autofocus Performance. This Makes It An Excellent Choice For Filmmakers Seeking A High-Performance, Lightweight Lens That Is Easy To Handle And Works Seamlessly With Gimbals Or Other Accessories, Contributing To An Optimal Filming Experience.

Each Optical Surface Features Super Multi-Layer And Nano Porous Coatings To Improve Contrast And Colour Rendering By Suppressing Lens Flare And Ghosting For Optimal Light Transmission, And An Added Water- And Oil-Repellent Coating On The Front Optic Helps Keep The Lens Free From Smudges And Droplets. The Weather-Sealed Design Benefits Working In Trying Environmental Conditions, And A Nine-Blade Rounded Diaphragm Contributes A Pleasing Bokeh Quality When Using Wider Apertures.

• Standard Zoom For Full-Frame E-Mount Mirrorless Cameras
• 42-105Mm Equivalent Focal Length When Used On An Aps-C Camera
• Constant F/2.8 Maximum Aperture For Low Light Use And Depth-Of-Field Control
• Two F Low Dispersion (Fld) And Two Special Low Dispersion (Sld) Elements Reduce Chromatic Aberrations And Colour Fringing
• Three Aspherical Elements Control Spherical Aberrations And Distortion
• Both Super Multi-Layer And Nano Porous Coatings Minimize Lens Flare And Ghosting And Produce Contrast-Rich And Colour-Neutral Imagery
• Integrated Stepping Motor And Optimized Af Algorithm Provides Quick And Quiet Autofocus
• 28Mm Minimum Focus Distance: 7.5″, 1:3.3 Magnification
• 70Mm Minimum Focus Distance: 15″, 1:4.6 Magnification
• Rounded Nine-Blade Diaphragm For A Pleasing Bokeh Quality
• Brass Bayonet For Mounting Accuracy And Rigidity
• Rubber Sealing For Dust- And Splash-Resistance