J11ex4.5B ITS-MESDTV Remote Co*ol Lenses   Main Features: Fast Zoom Speed 1.0sec Square hood reduces flares and ghosting. Lightweight 1.68 kg. Wide angle of 4.5mm - 50mm. Quiet and fast servo co*ol of Zoom, Focus and Iris. An External Extender Co*ol Unit is optionaly *ailable.     Lens J11ex4.5B ITS-ME Zoom Ratio 11x Built-in Extender 2.0x Range of Focal Length(with Extender) 4.5~50mm9~100mm (2.0x) Maximum Relative Aperture(with extender) 1:1.8 at 4.5~36mm1:2.35 at 50mm1:3.6 at 9~72mm (2.0x)1:4.7 at 100mm (2.0x) Angular field of view(with Extender) 4:3 Aspect Ratio(8.8 x 6.6mm) 88.7° x 72.5° at 4.5mm10.1° x 7.6° at 50mm52.1° x 40.3° at 9mm (2.0x)5.0° x 3.8° at 100mm (2.0x) 16:9 Aspect Ratio(9.59 x 5.39mm) 93.7° x 61.9 at 4.5mm11.0° x 6.2° at 50mm56.1° x 33.4° at 9mm (2.0x)5.5° x 3.1° at 100mm (2.0x) Minimum Object Distance (M.O.D.) 0.3m (10mm with Macro) Object Dimensions at M.O.D.(with Extender) 4:3 Aspect Ratio(8.8 x 6.6mm) 67.9 x 50.9cm at 4.5mm5.9 x 4.4cm at 50mm34.0 x 25.5cm at 9mm (2.0x)3.0 x 2.2cm at 100mm (2.0x) 16:9 Aspect Ratio(9.59 x 5.39mm) 74.4 x 41.9cm at 4.5mm6.4 x 3.6cm at 50mm37.2 x 20.9cm at 9mm (2.0x)3.2 x 1.8cm at 100mm (2.0x) Macro Yes Size (W x H x L) 119 x 110.6 x 237.7mm Weight 1.68kg 标签：     北京市镜头   北京市镜头厂家

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佳能J11ex4.5B ITS-ME 遥控镜头