collodion emulsion

简明释义

火胶乳液

英英释义

例句

1.The collodion emulsion needs to be sensitized before it can be used for photography.

在用于摄影之前，明胶乳剂需要被感光处理。

2.The artist praised the unique texture that collodion emulsion gives to the photographs.

艺术家赞扬了明胶乳剂给照片带来的独特质感。

3.She learned how to coat glass plates with collodion emulsion in her photography class.

她在摄影课上学习了如何用明胶乳剂涂抹玻璃底片。

4.To create stunning images, he mixed the collodion emulsion with various chemicals.

为了创造惊艳的图像，他将明胶乳剂与各种化学品混合。

5.The photographer prepared the collodion emulsion for his wet plate process.

摄影师为他的湿版工艺准备了明胶乳剂。

作文

The history of photography is a fascinating journey that reflects the evolution of technology and art. One of the key developments in this field was the invention of the collodion emulsion, which revolutionized the way images were captured and processed. This innovative technique emerged in the mid-19th century, and it played a crucial role in the advancement of photographic practices. The collodion emulsion refers to a mixture of nitrocellulose dissolved in ether and alcohol, which creates a light-sensitive layer that can be applied to glass plates. This process allowed photographers to produce images with remarkable detail and clarity, significantly improving upon previous methods such as daguerreotypes.Before the advent of the collodion emulsion, photographers faced numerous challenges. The daguerreotype process, while groundbreaking, required long exposure times and resulted in a single, non-reproducible image. The introduction of collodion emulsion not only reduced exposure times but also enabled multiple prints to be made from a single negative. This was a game-changer for both amateur and professional photographers, as it opened up new possibilities for creativity and distribution.Using the collodion emulsion process involved several steps, including coating glass plates with the emulsion, allowing them to dry, and then exposing them in a camera. After exposure, the plates needed to be developed immediately, which required a portable darkroom. This necessity for on-the-go processing made the collodion emulsion technique particularly popular among landscape and war photographers, who often worked in challenging conditions.The impact of the collodion emulsion on photography cannot be overstated. It facilitated the rise of photojournalism and documentary photography, as it allowed photographers to capture real-time events with greater ease. The ability to create multiple copies of a photograph also meant that images could reach a wider audience, thus changing the way people consumed visual information.However, the collodion emulsion process was not without its drawbacks. The need for immediate development limited the locations where photographers could work effectively, and the chemicals involved were hazardous. Nevertheless, the artistic community embraced this technique, leading to the creation of stunning works that showcased the beauty of the world through the lens of a camera.As photography evolved, newer technologies emerged, such as gelatin silver prints, which eventually replaced the collodion emulsion method. Despite this shift, the legacy of collodion emulsion remains significant in the history of photography. It laid the groundwork for modern photographic techniques and inspired generations of artists to explore the medium further.In conclusion, the invention of the collodion emulsion was a pivotal moment in the history of photography. It transformed the way images were captured and shared, making photography more accessible and versatile. While technology has continued to advance, the impact of the collodion emulsion can still be felt today, reminding us of the rich history and ongoing evolution of this beloved art form.

摄影史是一段迷人的旅程，反映了技术和艺术的演变。这个领域的关键发展之一是明胶乳剂的发明，它彻底改变了图像的捕捉和处理方式。这种创新技术出现在19世纪中叶，并在摄影实践的发展中发挥了至关重要的作用。明胶乳剂指的是将硝化纤维素溶解在醚和酒精中的混合物，这创造了一种可以应用于玻璃板的光敏层。这个过程使摄影师能够以显著的细节和清晰度制作图像，极大地改善了之前如银版照相法等方法。在明胶乳剂问世之前，摄影师面临许多挑战。尽管银版照相法开创了先河，但它需要较长的曝光时间，并且只能产生单一的、不可复制的图像。明胶乳剂的引入不仅缩短了曝光时间，还使得可以从单一底片制作多份印刷品。这对业余和专业摄影师来说都是一个重大变化，因为它为创造力和传播打开了新的可能性。使用明胶乳剂过程涉及多个步骤，包括用乳剂涂覆玻璃板、允许其干燥，然后在相机中曝光。曝光后，必须立即进行冲洗，这需要一个便携式暗房。这种随时随地处理的必要性使得明胶乳剂技术在风景和战争摄影师中尤为受欢迎，他们常常在艰难的条件下工作。明胶乳剂对摄影的影响不容小觑。它促进了新闻摄影和纪实摄影的崛起，因为它使摄影师能够更轻松地捕捉实时事件。能够制作多份照片的能力也意味着图像可以接触到更广泛的受众，从而改变了人们消费视觉信息的方式。然而，明胶乳剂过程并非没有缺陷。对即时冲洗的需求限制了摄影师有效工作的地点，而所涉及的化学物质则具有危险性。尽管如此，艺术界仍然拥抱这一技术，创造出令人惊叹的作品，通过相机的镜头展示了世界的美。随着摄影的发展，新技术的出现，如明胶银版印刷，最终取代了明胶乳剂方法。尽管发生了这种转变，但明胶乳剂的遗产在摄影史上仍然具有重要意义。它为现代摄影技术奠定了基础，并激励了一代又一代的艺术家进一步探索这一媒介。总之，明胶乳剂的发明是摄影史上的一个关键时刻。它改变了图像的捕捉和共享方式，使摄影变得更加可及和多样化。尽管技术不断进步，明胶乳剂的影响至今仍然显现，提醒我们这一受人喜爱的艺术形式丰富的历史和持续的演变。