摄影中的概念

光圈设置、快门速度和 ISO 感光度如何控 制曝光

光圈设置、快门速度和 ISO 感光度与拍摄密切相关。光圈设置控制用 来调节光进入相机的开口、快门速度决定允许光进入的时间长度。ISO 感光度决定影像的曝光。ISO 感光度决定底片反应光的速度。这三个 方面共同称为曝光三要素。

快门速度、光圈值或 ISO 感光度的变化可以通过调整互相抵消、以保 持光线量。但是,效果会根据设置变化。例如、快门速度在高速运动 中非常有用、光圈可控制景深、ISO 感光度可控制相片的粒度。

设置

效果

 

 

快门速度

快速 = 光量少

慢速 = 光量多

 

= 静态

= 模糊

设置

效果

 

 

光圈

宽角度 = 光量多

窄角度 = 光量少

 

= 小景深 小 = 大景深

 

高感光度

ISO 感光度

= 对光更加敏感

低感光度

 

 

= 对光不太敏感

= 杂点多 低 = 杂点少

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Samsung EV-NX100ZBABDE, EV-NX100ZBABIT, EV-NX100ZBANIT, EV-NX100ZBAWIT, EV-NX100ZBABCZ, EV-NX100ZBABPL = 静态 = 模糊, 高感光度, 低感光度

EV-NX100ZBABPL, EV-NX100ZBABHU, EV-NX100ZBAWIT, EV-NX100ZBABSE, EV-NX100ZBABCZ specifications

The Samsung EV-NX100 series, comprising models EV-NX100ZBABDE, EV-NX100ZBAWDK, EV-NX100ZBBBSE, EV-NX100ZBABDK, and EV-NX100ZBAWSE, offers a blend of advanced technology and user-friendly features aimed at both photography enthusiasts and casual users. These models are compact system cameras that provide impressive image quality driven by their APS-C sensors.

At the heart of the EV-NX100 series is the 20.3-megapixel APS-C CMOS sensor, delivering rich, vibrant colors and exceptional detail, even in low-light conditions. This large sensor is a significant advantage compared to traditional compact cameras, allowing users to capture stunning images with a shallow depth of field, creating beautiful bokeh effects.

One of the standout features of the EV-NX100 series is the lens versatility. The models are compatible with a range of interchangeable lenses, making it easy to adapt to different photography styles. This flexibility, combined with a fast autofocus system, ensures that users can quickly capture fleeting moments with precision.

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The EV-NX100 series is designed for ease of use, featuring a customizable user interface and a clear LCD screen for intuitive navigation. Many users will appreciate the in-camera editing options, which allow for basic adjustments on the fly, ensuring that images are ready for sharing instantly.

Battery life is also commendable, with the ability to capture hundreds of shots on a single charge, making these cameras ideal for both day trips and extended photography sessions.

Overall, the Samsung EV-NX100 series represents a thoughtful integration of powerful photographic capabilities and user-friendly features, making them a suitable choice for anyone looking to elevate their photography experience, whether they're a seasoned photographer or just starting their journey.