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(jī)，它與數(shù)字成像傳感器融合了光學(xué)和單鏡頭反光相機(jī)的機(jī)理。 在更簡(jiǎn)單的描述中，它是一種數(shù)碼單鏡頭相機(jī)，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(yù)覽圖像，該圖像是一個(gè)Kong，斜倚在相機(jī)背面。 可更換鏡頭內(nèi)置在DSLR相機(jī)中。 它允許用戶更換鏡頭以獲取任何場(chǎng)景的獨(dú)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(jī)高度取代了基于膠片的單反相機(jī)，而在2010年代初，無(wú)論人們對(duì)無(wú)反光鏡系統(tǒng)相機(jī)的接受程度如何，數(shù)碼單反相機(jī)都堅(jiān)持使用最通用的可互換鏡頭相機(jī)。
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(gè)成功的成像技術(shù)。2009年，博伊爾和史密斯因其對(duì)數(shù)字?jǐn)z影的貢獻(xiàn)而被授予諾貝爾物理學(xué)獎(jiǎng)。
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(dá)工程師Steven Sasson開發(fā)了第一臺(tái)數(shù)碼相機(jī)，該相機(jī)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(lái)源：https://expertphotography.com/what-does-dslr-stand-for/
單反相機(jī)的組成 (Components of DSLR Camera)
Following are the main components of a DSLR camera,
以下是DSLR相機(jī)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(duì)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(guò)鏡頭介質(zhì)進(jìn)入相機(jī)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(duì)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(guò)聚焦屏發(fā)生，并進(jìn)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(guò)兩個(gè)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(shí)時(shí)預(yù)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(dāng)用戶單擊按鈕拍攝圖像時(shí)，反射鏡會(huì)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(shí)，光線到達(dá)圖像傳感器。
DSLR的優(yōu)勢(shì) (Advantages of DSLR)
Speed and picture Quality will be good
速度和圖片質(zhì)量會(huì)很好
Interchangeable lenses
可互換鏡頭
Optical Viewfinder
光學(xué)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(duì)焦更快，畫質(zhì)更高
Ability to use filters
使用過(guò)濾器的能力
Dust removal system
除塵系統(tǒng)
缺點(diǎn) (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(jiǎn)單的任務(wù)
Hard to carry during shoot
拍攝時(shí)難以攜帶
Complicated in settings
設(shè)置復(fù)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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