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Geomag Magicube 153 - Full Color, Magnetic Constructions, 16 Cubes

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George, Chris (2008). Mastering Digital Flash Photography: The Complete Reference Guide. Lark Books. pp.102–. ISBN 9781600592096. Archived from the original on 2018-05-02. Geomag magnetic kits are the perfect way to express your creativity. There is virtually no limit to the creations that you can make. The bars, through the magnets positioned on both ends, connect to the metal spheres. All you need is a kit and an active mind. The Geomag Supercolor 100% Recycled line is dedicated to everyone who wants to play with an explosion of colours and will delight even the most demanding of creative spirits. What’s more, the practical storage boxes to keep the rods and spheres in neatly, as well as always with you, are also made of recycled plastic. Pop a flashcube onto one of the newest KODAK INSTAMATIC Cameras and you’re ready to take four flash pictures without changing bulbs! From this moment on — no more fussing with ordinary one-shot bulbs. Now you’re always ready for the next shot. Now you’ll get the fleeting expressions that were easy to miss before. As well as dedicated studio use, flash may be used as the main light source where ambient light is inadequate, or as a supplementary source in more complex lighting situations. Basic flash lighting produces a hard, frontal light unless modified in some way. [21] Several techniques are used to soften light from the flash or provide other effects.

Hannavy, John (2013). Encyclopedia of Nineteenth-Century Photography. Routledge. pp.–84. ISBN 978-1-135-87327-1. Since the flashcubes advanced automatically along with film advance, there was no need to wait in between the shots. This was a lot faster compared to the previous flash methods. Mid- to high-end Nikon DSLRs with a maximum shutter speed of 1/8000 s (roughly D7000 or D800 and above) have an unusual menu-selectable feature which increases the maximum X-Sync speed to 1/320 s = 3.1ms with some electronic flashes. At 1/320 s only 3.1ms - 2.4ms = 0.7ms are available to trigger and fire the flash while achieving a uniform flash exposure, so the maximum flash duration, and therefore maximum flash output, must be, and is, reduced. Peres, Michael R. (2013). The Focal Encyclopedia of Photography. Taylor & Francis. pp.754–. ISBN 978-1-136-10614-9.

To strobe, some high end units can be set to flash a specified number of times at a specified frequency. This allows action to be frozen multiple times in a single exposure. [22] Sylvania Electric and the Eastman Kodak Company have joined forces to bring about a minor revolution in flash photography. Sylvania has perfected a new four-sided flash bulb and Kodak has modified eight of its cameras to accommodate it. After four flash exposures, the used flashcube is ejected by depressing a release button and the camera is ready for the next flashcube to be inserted.

Then, get shooting! Magicubes have a bluish coating, giving the light they generate an approximately daylight appearance. It works well for today’s daylight balanced films. You can get some delightfully retro shots. Using on-camera flash will give a very harsh light, which results in a loss of shadows in the image, because the only lightsource is in practically the same place as the camera. Balancing the flash power and ambient lighting or using off-camera flash can help overcome these issues. Using an umbrella or softbox (the flash will have to be off-camera for this) makes softer shadows. When a Magicube is inserted in the camera (1), a probe automatically extends into the cube (2) and feels for the torsion spring (3). If it is there, a fresh lamp is ready for shooting. If it is not, this warning drops into the viewfinder: “Stop — Bad Bulb.” In general, Instamatic cameras could only really perform well in partial shade to full sunlight. Otherwise, their aperture/film speed combo practically guaranteed underexposure. These were cameras for sunny, light-filled vacation snaps. They weren’t designed for taking pictures in low light settings.With a few high-end exceptions, Instamatic cameras were extremely simple affairs, too. Most did not have any way to focus — not even basic zone focusing, like you’d find on an Instax camera today. Instead, they used relatively small, fixed apertures (usually F8-F14), ensuring that everything in a given scene would be generally in focus. The shutter would close, and the film would advance. When it advanced, gears would spin the Magicube, exposing a new, fresh flashbulbs. After four exposures, the Magicube was finished, and you would throw it away. This is connected to the film progress mechanism enabling the flash to rotate along when the film was advanced thereby bringing the next bulb to the front after each flash was fired. The cubes required electrical power to get fired and they took power from the batteries. How Do These Flashcubes Work?

At least, not without some help. It’s not always practical to take pictures outdoors in full sun. And in many cases, you need a fill flash to take good portraits even if you’re shooting outdoors on a sunny day. In short, Instamatic cameras needed a flash. Kodak Unveils 8 'Flashcube' Camera Types", Democrat and Chronicle (Rochester NY), July 9, 1965, pC-1 The flash can also be simply fired by inserting a thin pin into one of the slots at the bottom of the cube. Ring flashes that fit to a camera's lens can be used for shadow free portrait and macro photography; some lenses have built-in ring-flash. [15]Looking at old photos, it’s easy to wonder why people didn’t take too many pictures of the interiors of their homes — maybe they did on Christmas morning or a major holiday, but otherwise most photos were outside. When you realize that consumer cameras at the time couldn’t photograph inside without the use of an explosive charge, it makes more sense why people favored outdoor pics. Kodak has designed a whole new line of easy-to-use Instamatic cameras to accept these Flashcubes. All you do is pop on a Sylvania Blue Dot Flashcube, and shoot. The Geomag Supercolor Panels Masterbox is an eco-friendly line that is made up of 100% recycled plastic, non-toxic and not harmful that maintains the excellent quality standard that makes Geomag products stand out. Geomag Classic Panels is the building platform made up of magnetic rods, steel spheres and a series of panels that will allow you to create even more constructions. Geomag is a STEM category educational toy, for an interdisciplinary approach to learning; Geomag toys favour the development of hand-eye coordination and improve focus ability. The rods, through the magnets positioned on both ends, connect to the spheres, making it possible to play and learn with our magnetic toy constructions. Fun for adults and kids alike. If you need to know what fulminate ions are, to be short and easy to understand, they are unstable ions and their salts are friction sensitive explosives. In the past, slow-burning single-use flash bulbs allowed the use of focal-plane shutters at maximum speed because they produced continuous light for the time taken for the exposing slit to cross the film gate. If these are found they cannot be used on modern cameras because the bulb must be fired *before* the first shutter curtain begins to move (M-sync); the X-sync used for electronic flash normally fires only when the first shutter curtain reaches the end of its travel.

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