L Wang

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Top 20 Travel Photos on 500px So Far This Year

At the end of every year we do a “Best of *inset year here*” series, in which we count down the top 10 most popular photos in every single category. …

How digital technology is reinventing cinema - ExtremeTech

By on May 8, 2012 at 11:06 am<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>As of 2012, around 60% of all cinema …

Cinematography

What is a 30 Bit Photography Workflow?

Many photographers have been buying expensive wide gamut monitors in order to take a full advantage of their ability to display over a billion of …

[讀者投稿]SONY 真的出了好機,但我還是不會從 NIKON 轉會

翻转的冰山:罕见冰山底部露出水面

[新手攝影50篇]我應該選擇怎樣的記憶卡?

zh_HK<p>article<p>現時大多數相機都使用記憶卡來儲存照片。記憶卡種類繁多,格式不同之餘,容量、速度、其標榜的優點亦大有不同,我們應該怎樣選擇?以下我們會簡單講解最主流的 SD 卡及 CF 卡。通常人們會建議選購比較著名的品牌如 SanDisk、Toshiba、Lexar …

Focal Length | Understanding Camera Zoom & Lens Focal Length | Nikon from Nikon

Focal length, usually represented in millimeters (mm), is the basic description of a photographic lens. It is not a measurement of the actual length …

Cameras

How Autofocus Cameras Work

<b>Passive</b> autofocus, commonly found on single-lens reflex (SLR) autofocus cameras, determines the distance to the subject by <b>computer analysis</b> of the …

How Autofocus Cameras Work

In 1986, the Polaroid Corporation used a form of sound navigation ranging (SONAR), like a submarine uses underwater, to <b>bounce a sound wave</b> off the …

口袋攝影の10大關鍵技巧!!(上) | DIGIPHOTO-用鏡頭享受生命

要用手機拍出好照片不是不可能,這點從已舉辦8年的IPPA Awards(iPhone Photography Awards)歷屆得獎作品中就可看出,不過要用手機拍出好照片也不如想像中簡單,其思維和使用專業相機有相同亦有相異之處,以下我們整理出10點相關的拍攝技巧,希望讓愛用手機拍照的你∕妳能獲得實質 …

闪光灯对博物馆藏品有多大伤害?

本文作者:冬鼠包<p>逛博物馆时,如果留心观察,我们有时会发现馆内竖有禁止使用闪光灯的标识。可最近,发生在国家博物馆的一起“闪光灯事件”,引发了人们对这项规定的讨论:闪光灯真的会对博物馆的藏品造成伤害吗?<p>在博物馆参观时,经常能够看到禁止使用闪光灯的标识。有些人觉得开一次闪光灯没什么大不了,但实际上,一些娇贵的文物可禁不起谁都来“闪”一下。图片来源:中国国家博物馆<p>问题的根源:光携带能量<p>万物生长靠太阳,因为阳光蕴含着能量。其实所有的光都是如此,也正是这些能量成为文物老化的罪魁祸首之一。其中最致命的可能是光化学反应:在这些能量的作用下,文物表面的分子或者分解,或者和其他物质反应,从而失去了原本的特征。<p>不过 …