"Requested_prod_id","Requested_GTIN(EAN/UPC)","Requested_Icecat_id","ErrorMessage","Supplier","Prod_id","Icecat_id","GTIN(EAN/UPC)","Category","CatId","ProductFamily","ProductSeries","Model","Updated","Quality","On_Market","Product_Views","HighPic","HighPic Resolution","LowPic","Pic500x500","ThumbPic","Folder_PDF","Folder_Manual_PDF","ProductTitle","ShortDesc","ShortSummaryDescription","LongSummaryDescription","LongDesc","ProductGallery","ProductGallery Resolution","ProductGallery ExpirationDate","360","EU Energy Label","EU Product Fiche","PDF","Video/mp4","Other Multimedia","ProductMultimediaObject ExpirationDate","ReasonsToBuy","Spec 1","Spec 2","Spec 3","Spec 4","Spec 5","Spec 6","Spec 7","Spec 8","Spec 9","Spec 10","Spec 11","Spec 12","Spec 13","Spec 14","Spec 15","Spec 16","Spec 17","Spec 18","Spec 19","Spec 20","Spec 21","Spec 22","Spec 23","Spec 24"
"","","678238","","Canon","2530A017","678238","4960999213385|4719543151112|0082966213380|082966213380","摄像机镜头及滤光器","588","","","EF 300mm f/4L IS USM","20221021103210","ICECAT","1","133283","https://images.icecat.biz/img/norm/high/678238-6261.jpg","200x449","https://images.icecat.biz/img/norm/low/678238-6261.jpg","https://images.icecat.biz/img/gallery_mediums/img_678238_medium_1480934737_6175_7799.jpg","https://images.icecat.biz/thumbs/678238.jpg","","","Canon EF 300mm f/4L IS USM SLR 远摄镜头 白色","EF 300mm f/4L IS USM","Canon EF 300mm f/4L IS USM, 远摄镜头, 15/11, 图像稳定器, Canon EF","Canon EF 300mm f/4L IS USM. 组件应用: SLR, 镜头结构（元素 /组）: 15/11, 镜头类型: 远摄镜头. 自动对焦致动器: USM. 产品色彩: 白色. 直径: 9 cm, 滤镜尺寸: 7.7 cm, 长度: 221 mm. 放大率: 0.24 倍数","能够轻松使用300mm远摄焦距进行拍摄的L级远摄定焦镜头。最大直径及长度（不含遮光罩）约90×221毫米，稍大于EF 70-200mm f/2.8L IS II USM。重量相对较轻，约为1190克，几乎相当于EF 300mm f/2.8L IS II USM的一半。虽然考虑到小型轻量的整体设计而将最大光圈定为F4，但此镜头却汲取了光学技术的精髓，有效配置了多种镜片。2片UD（超低色散）镜片相当于1片萤石镜片的补偿效果，可有效补偿色像差。而且，镜头不但搭载有手抖动补偿机构IS影像稳定器，能够有力补偿手持拍摄时出现的抖动，还配有可应对追随拍摄的“模式2”。即使在最大光圈下，也可实现锐利的成像，而且细节表现也十分理想。随着光圈的缩小，对比度会上升，进而使锐度也得到提升。只需提高ISO感光度拍摄，F4最大光圈在实际使用中也没有问题，同时可充分体验相对小型轻便的优势。安装在APS-C画幅EOS数码相机上，可获得相当于约480mm的视角效果，拍摄领域得到进一步扩展。作为300mm远摄镜头，整体设计十分精巧，无论搭配哪款EOS数码相机，均能获得良好的握持感。","https://images.icecat.biz/img/norm/high/678238-6261.jpg","200x449","","","","","","","","","","聚焦系统","组件应用: SLR","镜头结构（元素 /组）: 15/11","镜头类型: 远摄镜头","最短对焦距离: 1.5 m","最大光圈: 32","镜头安装接口: Canon EF","镜头视角，水平: 6.85°","镜头视角，垂直: 4.53°","固定焦距: 30 cm","镜头视角，对角线: 8.25°","光阑叶片数量: 8","图像稳定器: 是","性能","自动对焦致动器: USM","设计","产品色彩: 白色","重量和尺寸","直径: 9 cm","滤镜尺寸: 7.7 cm","长度: 221 mm","重量: 1.19 kg","其他功能","放大率: 0.24 倍数"