Specification AutofocusTechnology : Contrast Detection Brand : ProMaster BulletPoint : Promaster 3-in-1 Pocket Digital Exposure Set BulletPoint1 : Aluminum Alloy Material: This product is made of aluminum alloy material, which is and not easily damaged, and can be used by users for a long time. BulletPoint2 : CNC Processing: The ring is processed using CNC technology, which reduces weight through hollowing, polishing, and anodizing the surface to make the product performance more stable. It is equipped with stainless steel screws. BulletPoint3 : Product Function: Fix the lens on a tripod, which can easily rotate in all directions to meet photography needs. There is flocking on the inside to prevent scratching the surface of the camera lens. BulletPoint4 : Quick Installation Board: The product adopts a 2 stage design with a 180 degree quick lock knob; The inner diameter of the product is about 80mm/3.15in, the width is about 18mm/0.71in, and the length of the quick assembly plate is about 90mm/3.54in; It is suitable for Tamron 100-400mm f4.5-6.3 Di VC USD (A035) lenses. BulletPoint5 : Strong Compatibility: The quick installation board adopts for AS standard, compatible for RRS, for ARCA, for SWISS, for PMG, for WIMBERLEY, for MARKINS, for SUNWAYFOTO, for BENRO, for SIRUI, for MARACE, for ISHOOT and other standard PTZ, suitable for IS JZ30, IS JZ50, IS JZ64, IS QJ58, IS QJ64, IS QJ64 FD, IS JZ60BK, IS JZ70MFT, IS JZ80BK, etc. CompatibleMountings : Micro Four Thirds ContinuousShootingSpeed : 5 frames_per_second ExpandedIsoMaximum : 25600 ExternallyAssignedProductIdentifier1 : 029144017163 ExternallyAssignedProductIdentifier2 : 0029144017163 FileFormat1 : JPEG FileFormat2 : RAW FormFactor : Ultracompact IncludedComponents : Grey Card White Balance Card White Card Camera ItemName : ProMaster 3-in-1 Pocket Digital Exposure Set, (Model 1716) ItemPackageDimensions_Height : 0.508 centimeters ItemPackageDimensions_Length : 13.97 centimeters ItemPackageDimensions_Width : 8.89 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : photographic-light-meter-grey-cards Manufacturer : ProMaster ModelName : Zopscerghkiu53a ModelNumber : 1716 NumberOfItems : 1 PartNumber : 1716 ProductDescription : The ProMaster 3-in-1 Pocket Digital Exposure Set is the user-friendly, indispensable color correction tool that belongs in every photographer's bag. Using this set of three cards - black, white and neutral gray - simply take a picture of the card under the same lighting conditions as your subject. Use the auto white balance and program mode on your camera to take the picture. Use this picture as the basis for a custom white balance setting. Follow your camera’s instructions to set a custom white balance. The glossy surface of these cards will show any reflections that may lead to incorrect white balance. If reflections are seen on the card surface during a white balance operation, reposition the card so that the reflections are eliminated. ProductSiteLaunchDate : 2012-08-04T14:24:41.661Z ShootingModes : Automatic SupplierDeclaredDgHzRegulation : not_applicable TargetGender : unisex VideoCaptureResolution : 720p WirelessCommunicationTechnology : Wi-Fi