[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fa-drY3Xeo_hVEvbIiQSPWxh9FoGunMevDpoktaBx_xk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":19,"type":20},[],"2026-05-24 08:35:34",384119801,[8,9],"正确","错误",{"courseId":11,"courseImg":12,"courseName":13},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","一般来说,光圈开大一档的同时,如果快门速度降低一档,曝光量保持不变",[16,21,26,31,36,41,46,52,57,62],{"answer":17,"createTime":5,"id":6,"options":18,"question":14,"source":19,"type":20},[],[8,9],"v1",3,{"answer":22,"createTime":5,"id":23,"options":24,"question":25,"source":19,"type":20},[],384119802,[8,9],"一般来说,光圈大,景深大;光圈小,景深小",{"answer":27,"createTime":5,"id":28,"options":29,"question":30,"source":19,"type":20},[],384119803,[8,9],"采用P模式曝光时,摄影者可进行曝光补偿的调节,还可以调整白平衡和感光度ISO",{"answer":32,"createTime":5,"id":33,"options":34,"question":35,"source":19,"type":20},[],384119804,[8,9],"光圈大时,纵深景物被记录的较为清晰的范围就大",{"answer":37,"createTime":5,"id":38,"options":39,"question":40,"source":19,"type":20},[],384119805,[8,9],"曝光过度的影像,其直方图会显示为横坐标左端的暗部没有柱状图",{"answer":42,"createTime":5,"id":43,"options":44,"question":45,"source":19,"type":20},[],384119806,[8,9],"快门速度越快,由于抖动所带来的影像全面虚糊也就越厉害",{"answer":47,"createTime":5,"id":48,"options":49,"question":50,"source":19,"type":51},[],384119807,[],"快门有高速快门、慢速快门、B门之说,其中对长时间曝光的操作, 门显得比较方便",2,{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":19,"type":51},[],384119808,[],"两档光圈进光照度的倍率关系可用"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6d12a9cdf0cb8e3ea2d5a2746f5060bb.webp\">"计算,n为两档之间相差的档数.如,f2与f8之间相差 档",{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":19,"type":51},[],384119809,[],"流行的f系数标记有:1、 、2、2.8、4、5.6、8、 、16、22、32 、45、64",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":19,"type":51},[],384119810,[],"" "又称镜头的"相对口径",是位于镜头内可调节进光孔的大小的装置"]