产品详细描述：MainFeatures:Highspecification&lightweight1.79kgX-Element&PowerOpticalSystemVari-PolarHoodDigitalDriveEquippedwithCanon'soriginalRotaryEncoderDevice.LensJ22ex7.6BIRSE/IASEZoomRatio22xBuilt-inExtender2.0xRangeofFocalLength(withExtender)7.6~168mm15.2~336mm(2.0x)MaximumRelativeAperture(withextender)1:1.8at7.6~118.6mm1:2.55at168mm1:3.6at15.2~237.2mm(2.0x)1:5.1at336mm(2.0x)Angularfieldofview(withExtender)4:3AspectRatio(8.8x6.6mm)60.1°x46.9°at7.6mm3.0°x2.3°at168mm32.3°x24.5°at15.2mm(2.0x)1.5°x1.1°at336mm(2.0x)16:9AspectRatio(9.59x5.39mm)64.6°x39.1at7.6mm3.3°x1.8°at168mm35.1°x20.1°at15.2mm(2.0x)1.6°x0.9°at336mm(2.0x)MinimumObjectDistance(M.O.D.)0.8m(10mmwithMacro)ObjectDimensi***atM.O.D.(withExtender)4:3AspectRatio(8.8x6.6mm)87.4x65.6cmat7.6mm4.0x3.0cmat168mm43.7x32.8cmat15.2mm(2.0x)2.0x1.5cmat336mm(2.0x)16:9AspectRatio(9.59x5.39mm)95.0x53.4cmat7.6mm4.2x2.5cmat168mm47.5x26.7cmat15.2mm(2.0x)2.2x1.2cmat336mm(2.0x)MacroYesSize(WxHxL)169.4x111.9x218.6mmWeight1.79kg(3.95lbs)1.89kg(4.17lbs)OperationalAccessoriesFullservo:SS-41-IASD/SS-41-DSemiservo:MS-210D)