Specification Brand : B+W BulletPoint1 : Diopters require no exposure compensation. BulletPoint2 : They may be 'stacked' for a greater macro effect. (+5 & +2 = +7) BulletPoint3 : 【MANUALLY ADAPTER】Focus to infinity. When using the PHOLSY-adapter, no mechanical or electrical functions, signals or data are transferred between N/Z system cameras and lenses. So have to manually adjust all settings (no autofocus, aperture and exposure ) BulletPoint4 : 【NOTE】If your camera indicated "lens is not properly installed", please modify the camera menu settings, you can modify the settings to allow. Menu-Settings-Release without lens-Activate. Specifically refer to the camera manual BulletPoint5 : 【CUSTOMER SUPPORT】If you are unsure whether a lens adapter fits your camera and lens, please contact the seller's support by email before purchase. You can find your lens and camera mount in the lens's and camera's original user manual. Or find your lens and camera on the manufacturers' website and under the product specifications look for “mount type”. CompatibleDevices : Olympus OM Lens, Nikon Z camera ExternallyAssignedProductIdentifier1 : 4012240762613 ExternallyAssignedProductIdentifier2 : 04012240762613 ExternallyAssignedProductIdentifier3 : 00041771525088 ExternallyAssignedProductIdentifier4 : 0888000011079 FocusType : manual GpsrSafetyAttestation : 1 IncludedComponents1 : Camera Lens Mount Adapter X 1pc IncludedComponents2 : Storage Pouch X 1pc ItemDisplayDimensions_Diameter : 67 millimeters ItemName : B + W NL 3 Close-up Lens + 3 E ItemPackageDimensions_Height : 2.2 centimeters ItemPackageDimensions_Length : 9.4 centimeters ItemPackageDimensions_Width : 9.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-diopters Language : english LensDesign : Zoom Manufacturer : B&W Material : Glass MaxFocalLength : 9 millimeters ModelName : OM-N/Z ModelNumber : 76261 NumberOfItems : 1 PartNumber : 4012240762613 PhotoFilterEffectType : Close-Up PhotoFilterSize : 67 millimeters PhotoFilterThreadSize : 67 millimeters ProductDescription : Diopters are optical close up lenses that make macro photography easy. When added to a lens they greatly narrow the depth of field while reducing the minimum focusing distance of your lens. The effective focal length of the dioptere are: +1 = 1000mm +2 = 500mm +3 = 333mm +4 = 250mm +5 = 200mm ProductSiteLaunchDate : 2003-06-17T00:00:00-00:00 Size : Olympus OM to Nikon Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnspscCode : 45121603 WaterResistanceLevel : not_water_resistant