How does the old magic lantern work?
The magic lantern used a concave mirror behind a light source to direct the light through a small rectangular sheet of glass—a “lantern slide” that bore the image—and onward into a lens at the front of the apparatus.
How were magic lantern slides made?
Lantern slide plates were commercially manufactured by sensitizing a sheet of glass with a silver gelatin emulsion. The plate was then exposed to a negative and processed, resulting in a positive transparent image with exceptional detail and a rich tonal range.
Are lantern slides valuable?
Remarkably, as most types of lanterns slides were produced in large quantities and sent all over the world, they are still quite common and most are relatively inexpensive.
When were magic lantern slides invented?
The magic lantern was invented in the 1600’s, probably by Christiaan Huygens, a Dutch scientist. It was the earliest form of slide projector and has a long and fascinating history. The first magic lanterns were illuminated by candles, but as technology evolved they were lit by increasingly powerful means.
How do you scan a glass lantern slide?
The simple way is to set your scanner at 1800 or 2400dpi and do a preview, adjusting the scanning area to your slide. It is important that you include the whole lantern slide glass area (not just the image), and a bit more. Once you have made the scan you can do your image repair or tone/colour correction.
Who invented the magic lantern projector?
Christiaan HuygensMagic lantern / Inventor
How do old projectors work?
A micro-mirror projector uses millions of microscopic mirrors to form the images that we see on the screen. This technology still uses a very bright lamp, in this case to shine light through a prism that splits it up into color beams.
What are the parts of overhead projector?
While overhead projectors have become much rarer, they are still useful tools for sharing older transparencies or creating a truly interactive presentation.
- Lamp and Box. The largest part of an overhead projector is the box at its base.
- Fresnel Lens and Plate Glass.
- Upper Lens Assembly.
- Projection Media.
How do you clean magic lantern slides?
Put a little cleaner on a wipe and use little circle-movements to clean side A. Use a clean bit of the same wipe with more cleaner to do side B. Put the slide down (unstacked) on the paper at the upper right side of the table (or the other side if your dominant hand requires it. Next slide, new wipe, same motions.
What size are magic lantern slides?
1870) on glass plates. Their standard size is typically 4 by 3.25 inches. Two methods or techniques were possible: using a plate that would produce a direct positive, or using a negative as an intermediate step to create a positive.
What is a magic lantern projector?
The magic lantern, also known by its Latin name lanterna magica, is an early type of image projector that used pictures—paintings, prints, or photographs —on transparent plates (usually made of glass), one or more lenses, and a light source. It was mostly developed in the 17th century and commonly used for entertainment purposes.
What is another name for a magic lantern?
For other uses, see Magic lantern (disambiguation). The magic lantern, also known by its Latin name laterna magica, is an early type of image projector that used pictures—paintings, prints, or photographs —on transparent plates (usually made of glass), one or more lenses, and a light source.
What is a magic lantern made of?
Magic lantern. The magic lantern, also known by its Latin name lanterna magica, is an early type of image projector employing pictures painted, printed or produced photographically on transparent plates (usually made of glass), one or more lenses, and a light source.
When did magic lanterns stop being made?
Magic lantern. Since the late 19th century smaller versions were also mass-produced as a toy for children. The magic lantern was in wide use from the 18th century until the mid-20th century, when it was superseded by a compact version that could hold many 35 mm photographic slides: the slide projector .