Just about every professional photographer - and many a skilled amateur - has fielded this question: "What kind of camera do you use? It sure takes good pictures."

Pinhole cameras, which use a piece of aluminum with a tiny hole to focus light on film, produce images with a dreamlike quality, almost like impressionist paintings.

Here are examples of what Times photographers did with their matchbox cameras, and information on how you can share your pinhole photos on our Web site.

Pinhole photographs have been made since the 1850s, but it wasn't until 2001 that the first Worldwide Pinhole Photography Day was held. Last year 2,267 pinhole photographs were displayed on the Web (www.pinholeday.org) by photographers in 60 countries.

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