产品详细描述：MainFeatures:HDTVStandardEFPLensDigitalDriveUnitX-Element&PowerOpticalSystemEquippedwithCanon'soriginalRotaryEncoderDevice.LensHJ17ex7.7BIRSE/IASEZoomRatio17xBuilt-inExtender2.0xRangeofFocalLength(withExtender)7.7~131mm15.4~262mm(2.0x)MaximumRelativeAperture(withExtender)1:1.8at7.7~100.3mm1:2.3at131mm1:3.6at15.4~200.6mm(2.0x)1:4.6at262mm(2.0x)AngularFieldofView(withExtender)4:3AspectRatio(8.8x6.6mm)59.5°x46.4°at7.7mm3.9°x2.9°at131mm31.9°x24.2°at15.4mm(2.0x)1.92°x1.44°at262mm(2.0x)16:9AspectRatio(9.59x5.39mm)63.9°x38.6°at7.7mm4.20°x2.3°at131mm34.6°x19.9°at15.4mm(2.0x)2.1°x1.18°at262mm(2.0x)MinimumObjectDistance(M.O.D)0.75m(10mmwithMacro)ObjectDimensi***atM.O.D.(withExtender)4:3AspectRatio(8.8x6.6mm)80.4x60.3cmat7.7mm4.8x3.6cmat131mm40.2x30.2cmat15.4mm(2.0x)2.4x1.8cmat262mm(2.0x)16:9AspectRatio(9.59x5.39mm)87.4x49.2cmat7.7mm5.3x3.0cmat131mm43.7x24.6cmat15.4mm(2.0x)2.7x1.5cmat262mm(2.0x)MacroYesSize(WxHxL)169.4x111.9x211.0mmWeight(Approx.)1.74kg(3.83lbs)1.84kg(4.05lbs)OperationalAccessoriesFullservo:SS-41-IASD/SS-41-DSemiservo:MS-210D)