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Innovations in 35mm SLR Camera Design: 1940 to 1960

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The first innovation of this 20-year period came in 1947, in the form of the ambitious but highly unreliable Hungarian Gamma Duflex. This was the earliest SLR camera to use an instant return mirror, and an internal semi-automatic lens diaphragm. Previously, reflex mirrors had been coupled to the shutter release and were spring actuated so that they rose automatically when the shutter was tripped, but this meant the viewfinder remain blacked-out until the mirror was manually reset to its original position. Similarly, lens diaphragms also had to be manually closed to the required f-stop before exposure, and opened afterward. The moment before and after exposure was often a period of dim visibility. The Duflex's semi-automatic diaphragm closed the lens diaphragm to a pre-set f-stop when the shutter was released, but it still needed to be manually re-opened after exposure. In 1948, the Italian Rectaflex introduced the world to the first Pentaprism SLR, although its ey...

How To Select The Best Image Manipulation Service For Your Business

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Businesses and even individual professionals need to insert images in business cards, catalogs, pamphlets, and all other marketing materials. Images help in attracting the attention of the consumers and are an integral part of modern day advertising. The quality of the images is of the most important factor in determining the success of marketing campaigns. This is why, images need to be perfect and in order to make them perfect, businesses can utilize the services of an online firm that can help with image manipulation. Here are a few tips that will help you to select the best photo editing service for image manipulation: 1) Required tools - image manipulation is certainly no child's play and it requires a variety of tools and applications. The firm that you choose should have access to all the required tools that will enable them to edit and manipulate the images based on your instructions. They need to have access to have accessed to licensed (paid) and fee softwa...

Useful Information About Vector Images

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One of the techniques used for describing images in computer-based graphics is called vector graphics. A picture or an image described with the help of vector graphics is known as a vector image. This unique technique utilizes various sets of geometric primitives for defining points, curves, polygons and lines for attributing different colors and shades to them. Thus, it helps in distinguishing every aspect of an image with the help of colors. It is very different from another imaging technique known as raster graphics that describes images with the help of grids (colored) of pixels. Advantages The main advantages of this technique are as follows: · The ability to express data in the form that is easily comprehensible to human beings (e.g. standard SVGs ); · The ability to express data in the format that uses very little space; · The ability to enlarge images in an arbitrary fashion, without distorting their resolution. This technique of image description ...

An Insight Into Image Masking

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As the name suggests, masking is a technique used to hide or show parts of an object or image. With masking techniques you can achieve many kinds of creative effects with images. You can create a mask that provides a different dimension to your images and makes them look more interesting in the process. You can also create a mask that acts as a fogged window display or hide parts of the images underneath the mask. This technique uses the tones of the appearance of a selected object in grayscale to determine the degree of its visibility and alter its appearance. Another masking technique utilizes the transparency of the object (in an image) itself to affect its visibility. This can help you to edit your old images and give them a new look. You can also play around with your new images and create something unique that can be used in advertising, social networking or just for creating a photo album. For masking an object, you can either use a vector or a bitmap image. The techni...

Wedding Photography Styles: A New Way to Cherish Memories

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A wedding is one of the important days in anyone's life. In such an occasion, a beautiful wedding photography is essential. There are many aspects that make the wedding photography really important in marriages. One of the main reasons is that, through professional photography, the couple gets opportunities to cherish their marriage memories after a long time. The professional photographers capture all the candid moment in a unique way. There are several styles of wedding photography. The choice depends upon the taste and lifestyle of the couples. Let us see some of them, in brief. Traditional Photography This type of photography needs much involvement of the photographer. The professionals always co-ordinates and guides the couple to pose for pictures. Traditional photography means taking classic pictures of marriage. The professional keeps focus on the family members and guests. The main aim of this photography is to create classical timeless wedding pictures. T...

Innovations in 35mm SLR Camera Design: 1980 to 2000

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In 1980, the Nikon F3 was the first 35mm SLR with a viewfinder liquid crystal digital data display (LCD). This showed little more than shutter speed information, but it started a design trend that virtually all SLRs adopted in some form. German company Rolleiflex was the first of several companies (including Yashica's Samurai, and Ricoh's Mirai later in the 1980s) that attempted - and failed - to introduce an alternative camera shape with their now forgotten SL 2000 F. Let's just say it didn't prove popular. In the same year (1981), Pentax marketed the ME F: a heavily modified ME Super that was the first 35mm SLR with built-in auto-focus. This used a passive contrast detection system, which worked poorly, and was a commercial flop. Sigma was more successful, and produced a 21-35mm f/3.5-4 zoom lens: the first super-wide angle zoom lens for SLRs. I'm not going attempt to address the technicalities, other than to say that computer-aided design made possi...

Why Do We Smile for the Camera?

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I am walking along marble floors surrounded by towering pillars. The rooms of this former palace are peopled with statues centuries old, created by artists long dead, but still living in our consciousness. On the walls hang works of art, each more beautiful than the one before, and the following more brilliant yet. I enter a main hall, magnificent in size but reduced in space by the hordes of people hovering around one small picture. The people are barricaded, forced to be distant from this one precious image, shielded behind glass. La Gioconda, known as the Mona Lisa, is famous for her enigmatic, billion-dollar smile. I am tantalised by her smile but after a brief glimpse, I am forced aside by the horde waiting to be photographed with this priceless work of art acting merely as background. Long sticks protrude from the crowd, like alien insect antennas seeking food or light, carrying their image catcher atop. Any prop is used to get above the crowd for the closest picture po...