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 感光度决定了胶片对光的反应速度。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 感光度可控制相片颗粒感。

设置

效果

 

 

设置

效果

 

 

 

快速

快门速度

=较少光线

慢速

 

 

=较多光线

= 静态

= 模糊

光圈

大光圈

=较多光线 小光圈 =较少光线

 

高感光度

ISO 感光度

=对光线更为敏感

低感光度

 

 

=对光线不太敏感

= 更细致 低 = 不细致

= 小景深 小 = 大景深

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Samsung EV-NX200ZBABCH, EV-NX200ZBSBSE, EV-NX200ZBSBDK, EV-NX200ZBABSE, EV-NX200ZBABHU manual Iso 感光度, 低感光度

EV-NX200ZBABSE, EV-NX200ZBABCH, EV-NX200ZBABHU, EV-NX200ZBSBDK, EV-NX200ZBSBSE specifications

The Samsung EV-NX200ZBSBSE and EV-NX200ZBSBDK are part of the NX series of compact interchangeable lens cameras, designed for photography enthusiasts seeking advanced features in a compact body. With a fusion of style, performance, and technology, these models stand out in the competitive market of mirrorless cameras.

One of the most significant features of the NX200 series is its 20.3-megapixel APS-C CMOS sensor, which delivers exceptional image quality. The larger sensor size helps in capturing more light, resulting in better performance in low-light conditions and enhanced detail in images. This capability is further complemented by a maximum ISO sensitivity of 12,800, allowing for flexible shooting options in various environments.

The cameras offer fast autofocus technology, utilizing a Hybrid AF system that combines phase detection and contrast detection, making it easier to capture moving subjects with precision. The result is sharp images even in challenging conditions, enhancing the overall photography experience.

Both models boast a compact and lightweight design, making them highly portable for travel and daily use. The EV-NX200ZBSBSE features a sleek silver finish, while the EV-NX200ZBSBDK is offered in a stylish black finish, catering to different aesthetic preferences. Additionally, the ergonomic grip ensures comfortable handling during extended shooting sessions.

The NX200 series is equipped with a 3-inch AMOLED display with a resolution of 768k dots, providing vibrant colors and sharp details for reviewing images and navigating through menus. The screen is also tiltable, allowing users to adjust the angle for high or low-angle shots, which adds versatility to the shooting experience.

Another noteworthy aspect of the NX200 is its advanced connectivity features. Users can share their photos and videos instantly through built-in Wi-Fi, enabling quick uploads to social media or cloud storage. Furthermore, the Smart Link feature allows for remote shooting via a smartphone, giving users greater control over their photography.

In terms of video capabilities, the NX200 models support full HD 1080p recording at various frame rates, providing filmmakers and content creators with the tools to capture high-quality video. The presence of microphone input also allows for improved audio capture, essential for professional video work.

With a robust selection of interchangeable lenses available, the Samsung EV-NX200ZBSBSE and EV-NX200ZBSBDK cater to a wide range of photography styles, from landscapes to portraits. The combined features of performance, portability, and connectivity make these cameras an excellent choice for both amateur and seasoned photographers alike.