Specification Brand : Songzi Optics BulletPoint1 : 2.5X Loupes Field Of View: 150mm,Depth of field: 200mm,3X Loupes Field Of View: 140mm. Depth of field:200mm Working Distance R(300mm -500mm), L(450mm-650mm) BulletPoint2 : 3.5X Loupes Field Of View:130mm.Depth of field: 200mm ,Working Distance R(300mm -500mm), L(450mm-650mm) BulletPoint3 : Please choose working distance, then send message in the order, if you are siting while wearing loupes, we recommend Working Distance R(300mm -500mm), if you are standing while wearing loupes, we recommend Working Distance L(450mm-650mm) BulletPoint4 : Buyer can use PDCheck AR APP on phone, and save PD data screenshot, there are Far PD and Near PD. If you are a dentist, you need to choose Far PD, but need to reduce 4mm, for example Far PD is 66mm, that mean dental working distance Near PD should be 62mm, then you need to choose 62mm Near PD variation when place order. If you are a surgeon, you can use the APP Near PD data directly. BulletPoint5 : If your Near Pupil distance is not included into loupes variations, please choose Other Near PD, and leave your Near interpupillary distance in the message and we will customize it according to your size. BulletPoint6 : If your Near Pupil distance is not included into loupes variations, please choose Other Near PD, and leave your Near interpupillary distance in the message and we will customize it according to your size. Color : Magnification:3.5X CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 5297743119143 ExternallyAssignedProductIdentifier1 : 606719481347 ExternallyAssignedProductIdentifier2 : 0606719481347 FdaDeviceClassification : i FdaIndicationOfUse : otc FdaInstructionsForUseType : consumer FdaLabelType : consumer Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IN_SmallLithiumIonBatteryInEquipment Hazmat16 : IT_SmallLithiumIonBatteryInEquipment Hazmat17 : JP_SmallLithiumIonBatteryInEquipment Hazmat18 : MX_SmallLithiumIonBatteryInEquipment Hazmat19 : NL_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : PL_SmallLithiumIonBatteryInEquipment Hazmat21 : SA_SmallLithiumIonBatteryInEquipment Hazmat22 : SE_SmallLithiumIonBatteryInEquipment Hazmat23 : SG_SmallLithiumIonBatteryInEquipment Hazmat24 : TR_SmallLithiumIonBatteryInEquipment Hazmat25 : US_SmallLithiumIonBatteryInEquipment Hazmat26 : ZA_SmallLithiumIonBatteryInEquipment Hazmat27 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment ItemName : 2.5X 3X 3.5X Songzi Optics Black Titanium Frame TTL Dental Surgical Loupes with Led Light Customized Wide Field of View (Magnification:3.5X, Near Pd 58mm) ItemPackageDimensions_Height : 16 centimeters ItemPackageDimensions_Length : 23 centimeters ItemPackageDimensions_Width : 13 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : professional-dental-and-surgical-loupes MagnificationStrength : 3.5 multiplier_x Manufacturer : Songzi Optical Co.,Ltd Material : Polyimide ModelName : SZTTLFA ModelNumber : SZTTLTT253035 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumIonCells : 1 PartNumber : SZTTLTTFRAME ProductDescription : Songzi Optics SZTTL series has long working distance, Wide Field Of View,very comfortable to work with. LED illumination system are available.Multi-layer anti-reflection coating provides extremely high resolution.Anti-glare, scratch-resistance optic lens ensure long time no-trouble use. Helping to reduce eyestrain.You can improve your posture and avoid stooping. Multiple magnification levels loupes offer performance matched to your requirements.Multiple magnification levels enable you to see more,spot problem earlier and offer even higher levels of precision treatment. Exclusive Telescope Design with Precision Coated Optics for the best possible vision through the lens. Warm Tipes: Buyer can use PDCheck AR APP on phone, and save PD data screenshot, there are Far PD and Near PD. If you are a dentist, you need to choose Far PD, but need to reduce 4mm, for example Far PD is 66mm, that mean dental working distance Near PD should be 62mm, then you need to choose 62mm Near PD variation when place order. If you are a surgeon, you can use the APP Near PD data directly.If your Near Pupil distance is not included into loupes variations, please choose Other Near PD, and leave your Near interpupillary distance in the message and we will customize it according to your size. ProductSiteLaunchDate : 2012-10-08T11:00:00.000Z RequiredProductComplianceCertificate : 1 Size : Near Pd 58mm SupplierDeclaredDgHzRegulation : other UnitCount : 1