Canon Canon Ef 400Mm F/2.8L Is Iii Usm Lens | Canon Ef Lenses

Canon Ef 400Mm F/2.8L Is Iii Usm Lens

• Super Telephoto Prime Is Designed For Full-Frame Canon Ef-Mount Dslrs, However Can Also Be Used With Aps-C Models Where It Provides A 640Mm Equivalent Focal Length.
• Fast F/2.8 Maximum Aperture Benefits Working In Low-Light Conditions And Also Affords Significant Control Over Depth Of Field For Working With Selective Focus Techniques.
• Super Ud And Fluorite Elements Are Used To Greatly Reduce Color Fringing And Chromatic Aberrations In Order To Achieve Greater Clarity And Color Accuracy.
• Super Spectra And Air Sphere Coatings Have Been Applied To Individual Elements To Control Lens Flare And Ghosting For Greater Contrast And Color Fidelity When Working In Strong Lighting Conditions.
• An Optical Image Stabilizer Helps To Minimize The Appearance Of Camera Shake By Up To Five Shutter Speed Stops To Better Enable Working In Low-Light Conditions And With Slower Shutter Speeds. Three Distinct Is Modes Are Available: Standard Single-Shot Mode, A Panning-Optimized Mode, And A Mode That Only Activates The Image Stabilizer During The Exposure.
• A Ring-Type Ultrasonic Motor (Usm), Along With Optimized Focusing Algorithms And A High-Speed Cpu, Is Employed To Deliver Fast, Precise, And Quiet Autofocus Performance As Well As Full-Time Manual Focus Override.
• A Customizable Electronic Focusing Ring Provides Three Sensitivity Levels For How Quickly And Precisely The Lens Can Manually Focus.
• Focus Preset Function Is Available To Quickly Recall A Programmed Focusing Position.
• Rounded Nine-Blade Diaphragm Contributes To A Pleasing Out Of Focus Quality That Benefits The Use Of Shallow Depth Of Field And Selective Focus Techniques.
• As A Member Of The Esteemed L-Series, This Lens Is Sealed Against Dust And Moisture For Working In Inclement Environmental Conditions And Also Features A Fluorine Coating On The Front And Rear Elements To Guard Against Water Spots, Smudges, Or Oil Residue.
• A Removable Rotating Tripod Collar Is Included And Benefits Working With The Lens Atop A Tripod Or Monopod.
• Compatible With Optional Ef 1.4X And Ef 2X Teleconverters.