Cameras are getting progressively smaller and thinner over the years. The easiest camera to carry with you is often one you already have on you, the camera built into a smart phone.
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The smallest camera is a miniature copy of a Kodak folding camera made to dollhouse scale (1"= 1') for the Queen's dollhouse. It is supposed to be fully functional, but I doubt anyone has ever tried running film through it. The smallest marketed camera was probably the Japanese Petal camera from about 1948. The smallest movie camera was the cigarette pack-sized Bolsey 8 from about 1956.
I am really not that sure.
The newest model of Fuji cmaera is a digital camera that takes high resolution photos and can record images that are in motion. This model is expensive.
it's the size of a pea.
10 pixles
Canon claims to make the smallest camera bag on the market, but in general, the size of the camera bag is proportional to the size of the camera itself. Canon and Nikon both make 8.0 MP digital cameras about the size of an iPod Nano.
Generic camera boxes can vary in size depending on where or what one buys. They come as small as the smallest camera and as large as the largest commercial camera available.
1.3 mega pixils
The smallest spy plane in existence is the palm-sized Black Widow, developed by Aerovironment of Monrovia, California, USA, for possible reconnaissance use by ground combat troops. It has a wingspan of 15.24 cm. (6 in.), weighs just 80 g. (2.8 oz.) and carries a tiny color video camera weighing 2 g. (0.07 oz.).
I'm afraid that camera was used only to make Spy Kids more powerful.
The Promaster 750 is a small looking camera bag that has a lot of room with a lot of storage compartments in it.