推荐回答(5个)
镜头来说呢 主要觉得其性能的原因 主要就下面这几个 有 最大光圈值,这个数值越小好,还有就是变焦倍数 当然如果按照成像质量来考虑 不能变焦的镜头的成像要比可以变焦的好 所以说变焦倍数越小越好,还有就是恒定光圈 这个词可以直接去百度一下 因为恒定光圈会增加制作难度 还有一个就是焦距,其中这三项需要同时在一起才是个好的镜头(变焦头)就是 大光圈 低倍变焦 和恒定光圈。 机器来说呢 主要是连拍和画幅尺寸 还有机身的制作工艺和整机材质与综合性能。其中从现在来看 画幅尺寸和连拍速度 就可以定义这款机子的级别!
参数多了去了。
光圈大是优势
变焦倍数大了对于便携是优势,对于画质是劣势
超声波马达是优势
有防抖是优势
全幅镜头是优势
非球面镜是优势
超低色散是优势
萤石是优势
金属镜筒是优势
内变焦是优势
内对焦是优势
对焦前端不旋转是优势
圆形光圈是优势
没有暗角是优势
畸变小是优势
最大光圈可用是优势
变焦环阻尼恒定是优势
防尘防水是优势
变焦倍数越小越好,定焦更好。光圈越大越好。恒定光圈或恒定大光圈更好。
一般单反镜头,最好的办法,是看价格,好镜头价格贵。
不烧器材,专心摄影就别挂住器材。
镜头除了光圈和焦距,哪个都不会差哪个太远。
1万的镜头和2千的差不了多远。
光圈大小,抵色镜片数量,非球面镜片数量,光圈叶片多少
以上只是一些硬指标
关键还是在于镜片组的结构
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