office数据集dslr_DSLR的完整形式是什么？
office數(shù)據(jù)集dslr
DSLR：數(shù)碼單鏡反光 (DSLR: Digital Single-Lens Reflex)
DSLR is an abbreviation of digital single-lens reflex. It alludes to a digital camera which with the sensor of digital imaging merges optics and mechanism of single-lens reflex camera. In the easier description, it is a digital single-lens camera that utilizes a mirror to conduct the light from the lens to the viewfinder. The viewfinder is used to preview the image before the user capture it, which is a hole, reclines on the back of the camera. Replaceable lenses are in-built in DSLR cameras. It allows a user to interchange lenses to get distinct views of any scene.
DSLR是數(shù)字單鏡頭反光的縮寫 。 它暗示了一種數(shù)碼相機，它與數(shù)字成像傳感器融合了光學和單鏡頭反光相機的機理。 在更簡單的描述中，它是一種數(shù)碼單鏡頭相機，它利用鏡子將光從鏡頭傳輸?shù)饺【捌鳌?取景器用于在用戶捕獲圖像之前預覽圖像，該圖像是一個Kong，斜倚在相機背面。 可更換鏡頭內(nèi)置在DSLR相機中。 它允許用戶更換鏡頭以獲取任何場景的獨特視角。
During the 2000s, DSLRs highly replaced film-based SLRs, and in the early 2010s, regardless of the rising acceptance of mirror less system cameras, DSLRs persists the most general type of interchangeable lens camera in use.
在2000年代，數(shù)碼單反相機高度取代了基于膠片的單反相機，而在2010年代初，無論人們對無反光鏡系統(tǒng)相機的接受程度如何，數(shù)碼單反相機都堅持使用最通用的可互換鏡頭相機。
Willard S. Boyle and George E. Smith developed the first successful imaging technology using a digital sensor in 1969. In 2009, Boyle and Smith were awarded the Nobel Prize for Physics for their contribution to digital photography.
威拉德·博伊爾(Willard S. Boyle)和喬治·史密斯(George E. Smith)于1969年使用數(shù)字傳感器開發(fā)了首個成功的成像技術(shù)。2009年，博伊爾和史密斯因其對數(shù)字攝影的貢獻而被授予諾貝爾物理學獎。
In 1975, Steven Sasson the Kodak engineer developed the first digital still camera, which used a Fairchild 100×100 pixel Charge-Coupled Device.
1975年，柯達工程師Steven Sasson開發(fā)了第一臺數(shù)碼相機，該相機使用了Fairchild 100×100像素電荷耦合器件。
Image source: https://expertphotography.com/what-does-dslr-stand-for/
圖片來源：https://expertphotography.com/what-does-dslr-stand-for/
單反相機的組成 (Components of DSLR Camera)
Following are the main components of a DSLR camera,
以下是DSLR相機的主要組件，
Lens
鏡片
Reflex mirror
反光鏡
Shutter
快門
Image sensor
圖像傳感器
Matte focusing screen
啞光對焦屏
Condenser Lens
聚光鏡
Pentaprism
五棱鏡
Eyepiece/Viewfinder
目鏡/取景器
DSLR的工作 (Working of DSLR)
Through a medium of lens, light enters the camera and collides with the reflex mirror.
光通過鏡頭介質(zhì)進入相機并與反射鏡發(fā)生碰撞。
The reflex mirror throws back the light to the focusing screen in the vertically upward direction.
反射鏡將光沿垂直向上的方向投射回對焦屏。
The passing of light happens through focusing screen and it enters the block of a glass which is a Pentaprism.
光線通過聚焦屏發(fā)生，并進入五棱鏡的玻璃塊。
Pentaprism directs the light towards different direction through two discrete mirrors then redirects it towards viewfinder.
五棱鏡通過兩個分立的鏡將光指向不同的方向，然后將其重定向到取景器。
The viewfinder provides a user the live preview of the image.
取景器為用戶提供圖像的實時預覽。
The reflex mirror overturns upward and obstructs the vertical path of light to keep it directed towards image sensor, when a user clicks the button to take an image.
當用戶單擊按鈕拍攝圖像時，反射鏡會向上翻轉(zhuǎn)并阻礙光的垂直路徑，以保持其指向圖像傳感器的方向。
The light reaches the image sensor, when the shutter opens up.
快門打開時，光線到達圖像傳感器。
DSLR的優(yōu)勢 (Advantages of DSLR)
Speed and picture Quality will be good
速度和圖片質(zhì)量會很好
Interchangeable lenses
可互換鏡頭
Optical Viewfinder
光學取景器
Large ISO range
大ISO范圍
Easy editing and low noise
易于編輯且噪音低
Faster focusing and high quality in low light
弱光條件下對焦更快，畫質(zhì)更高
Ability to use filters
使用過濾器的能力
Dust removal system
除塵系統(tǒng)
缺點 (Disadvantages)
Size is large and weight is heavy
尺寸大重量重
Strenuous in accomplishing simple tasks
艱苦地完成簡單的任務
Hard to carry during shoot
拍攝時難以攜帶
Complicated in settings
設置復雜
Cost is higher
成本較高
翻譯自: https://www.includehelp.com/dictionary/dslr-full-form.aspx
office數(shù)據(jù)集dslr
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