Get a finder about the same Angle of view of the taking lens, or a little longer.

在选择辅助取景器时可以考虑与所用拍摄镜头相同视角或者较其略微广角的取景器。

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The downside to this display screen is that it's to the left of the camera's lens, so if you're taking a close-up shot of someone, they will appear in the photo like they're glancing away slightly.

这个显示屏不好的地方是，它位于相机镜头左侧，因此如果你近距离给某人拍照，他们在照片里就会显得好像看着别的地方。

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Taking 4 step and 8 step and 16 step Fresnel lens for example, the effect of alignment error on diffractive efficiency is analyzed systematically and simulated by computer.

并以4台阶、8台阶、16台阶菲涅耳透镜为例，系统分析对准误差对衍射效率的影响并进行计算机模拟研究。

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What if you examined Citi through a darker lens, taking into account what it would need to weather a storm of loans gone bad?

FORBES: Magazine Article

With an F2.5 Bright Lens, 5x optical zoom and 25mm lens, taking bright pictures is made easy and a 16.2 Megapixel CCD sensor delivers sharp and clear results.

ENGADGET: Samsung launches six new point-and-shoot cameras at CES

With an F2.5 Bright Lens, 5x optical zoom and 25mm lens, taking bright pictures is made easy and a 16 Megapixel CCD sensor delivers sharp and clear results.

ENGADGET: Samsung launches six new point-and-shoot cameras at CES