Lens focal length
,跳到 Thin lens approximation - For a thin lens in air, the focal length is the distance from the center of the lens to the principal foci (or focal points) of the ...
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 Lens focal length 相關參考資料
DSLR Camera Basics | Focal Length and Angle of view - Nikon
The focal length of the lens is the distance between the lens and the image sensor when the subject is in focus, usually stated in millimeters (e.g., 28 mm, 50 mm, ... https://imaging.nikon.com Equivalent Focal Length :: VIVOTEK ::
https://www.vivotek.com Focal length - Wikipedia
跳到 Thin lens approximation - For a thin lens in air, the focal length is the distance from the center of the lens to the principal foci (or focal points) of the ... https://en.wikipedia.org Understanding Camera Zoom & Lens Focal Length - Nikon
Focal length controls the angle of view and magnification of a photograph. Learn when to use Nikon zoom and prime lenses to best capture your subject. https://www.nikonusa.com What is Focal Length in Photography? - Focal Length Explained
The simplest focal length definition is a description of the distance between the center of a lens and the image sensor when the lens is focused at ... https://capturetheatlas.com What Is Focal Length in Photography? - Photography Life
Without getting into an in-depth physics discussion, the focal length of a lens is an optical property of the lens. It measures the distance, in ... https://photographylife.com What is Focal Length? (And Why it Matters in Photography!)
The focal length of the lens determines how 'zoomed in' your photos are. The higher the number, the more zoomed your lens will be. It is often misunderstood that ... https://expertphotography.com 焦距- 維基百科，自由嘅百科全書
焦距（英文：Focal length），係光學入面由透鏡中心到焦點嘅距離。喺攝影範疇，改變相機嘅焦距（變焦）可以將要影相嘅景物拉遠或者拉近。 https://zh-yue.wikipedia.org |