Specification Brand : Sirui BulletPoint1 : Cinematic Widescreen Aspect Ratio — Utilizing a 1.33x anamorphic squeeze, the SIRUI 40mm S35 anamorphic lens yields a stunning 2.35:1 aspect ratio in 16:9 shooting mode, enabling you to capture a broader perspective for a captivating cinema experience. BulletPoint2 : Accurate Autofocus System — An advanced STM motor is added to achieve fast and precise autofocus. It supports eye focusing and subject tracking, making filming or photo shooting more efficient than ever. BulletPoint3 : Blue/Neutral Flares for Your Choice—This anamorphic lens with two flare options adds a touch of magic to every frame. Its artistic depth and subtle streaks create a cinematic, dreamy effect, perfect for adding a unique, personal flare to your projects. BulletPoint4 : Compact & Lightweight Design — Weights at only 614g/1.35lb, SIRUI 40mm is highly portable, making it ideal for run-and-gun shooting and mobile filmmaking setups. BulletPoint5 : Enhanced Low-Light Performance — The T1.8 fast aperture ensures superior low-light capability and depth of field control, creating a stunning bokeh effects and sharper subject focus. BulletPoint6 : Distinctive Bokeh — The 40mm features hexagonal elliptical bokeh at T1.8 and classic 1.33x anamorphic elliptical bokeh at T2.4, providing more inspiration for your creative expression BulletPoint7 : Precision Optical Engineering — Incorporates aspherical and cylindrical lenses for high resolution, minimized chromatic aberration, and reduced focus breathing, delivering sharp, cinematic-quality visuals. Color : Blue Flare CompatibleMountings : Nikon Z ExternallyAssignedProductIdentifier : 6952060075839 ExternallyAssignedProductIdentifier1 : 6952060025865 ExternallyAssignedProductIdentifier2 : 06952060025865 FocalLengthDescription : anamorphic lens FocusType : Manual Focus GpsrSafetyAttestation : 1 IncludedComponents : lens ItemName : SIRUI 40mm T1.8 1.33X Anamorphic Lens, S35 Autofocus Lens for Z Mount Cameras, Z5, Z50, Z6/6II, Z7/7II, ZFC, Z8, Z9 (Blue Flare) ItemPackageDimensions_Height : 20.1 centimeters ItemPackageDimensions_Length : 13.7 centimeters ItemPackageDimensions_Width : 13.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : slr-camera-lenses LensDesign : Cinema Scope LensMount : nikon_z Manufacturer : SIRUI MaxAperture : 1.8 f_stop MaxFocalLength : 40 millimeters MaximumFormatSize : Full Frame MinAperture : 22 f_stop MinFocalLength : 40 millimeters ModelName : anamorphic lens ModelNumber : 40AF133X-ZB MountingType : Nikon Z NumberOfDiaphragmBlades : 10 NumberOfItems : 1 PackageLevel : unit PartNumber : 40AF133X-ZB ProductSiteLaunchDate : 2025-01-10T03:20:47.394Z Size : For Nikon Z StreetDate : 2022-04-28T00:00:01Z Style : Z Mount SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 45121603 WarrantyDescription : 1 Year Waranty ZoomRatio : 1:1 ZoomType : Fixed