文档介绍：摄影基础知识Ⅰ了解相机的镜头
actively carry out the law on civil air defense education, drawn out of the air defense in Pinglp to 500,000 yuan fee collection tasks. 5, further standardize internal management, improve staff quality. Adhere to the
Olympus C-5050镜头
    Olympus超亮变焦镜头：Olympus使用术语超亮（Super Bright）来形容最大光圈很高的镜头。AF变焦：相机的变焦镜头能够实现自动对焦。
    -：这些数字代表了镜头的焦距范围。这个数字范围等同于胶片相机上的35〜105毫米的焦距范围。注意，。所以描述此类相机焦距范围的另一个方法是说该相机具有
actively carry out the law on civil air defense education, drawn out of the air defense in Pingliang city Building under easy fare, daily special inspection and regulation, overfulfilled the province upper and lower knots of up to 500,000 yuan fee collection tasks. 5, further standardize internal management, improve staff quality. Adhere to the
actively carry out the law on civil air defense education, drawn out of the air defense in Pingliang city Building under easy fare, daily special inspection and regulation, overfulfilled the province upper and lower knots of up to 500,000 yuan fee collection tasks. 5, further standardize internal management, improve staff quality. Adhere to the
actively carry out the law on civil air defense education, drawn out of the air defense in Pingliang city Building under easy fare, daily special inspection and regulation, overfulfilled the province upper and lower knots of up to 500,000 yuan fee collection tasks. 5, further standardize internal management, improve staff quality. Adhere to the
3×光学变焦。
    1:-：这些数字指示光圈大小的范围。对于流行的数码相机而言，光圈大小为f/。对于多数摄影者而言，f/。
变焦效果
变焦效果
    如果变焦的同时使用很慢的快门速度，就可以创建变焦效果，如下图所示。首先设置较慢的快门速度。快门打开时放大拍摄目标，同时保持相机稳定。
使用自动相机时，利用“夜景场景”模式也可实现相同的效果，因为这种模式使用了较慢的快门速度。
actively carry out the law on civil air defense education, drawn out of the air defense in Pingliang city Building under easy fare, daily special inspection and regulation, overfulfilled the province upper and lower knots of up to 500,000 yuan fee collection t