This camera is not resistant to water and should not be used outdoors in snow or rain. If accidentally dropped in water, please quickly pour out the water. Dry it with sunlight or an 
Protect it from excessive humidity. It will wet the lens and the pictures taken will be blurred.
Do not attempt to disassemble the camera yourself. Always take it to an authorized service facility for repair.
To store the camera, wrap it in a piece of clean, soft cloth and place it in a cool, dry, 
3640 specifications
The Argus Camera 3640, released in the early 1960s, stands as a notable example in the evolution of consumer photography. Known for its simplistic design and user-friendly features, this camera appealed to amateur photographers and families looking to document their everyday life.One of the camera's defining characteristics is its compact and lightweight design, making it easy to carry around. The Argus 3640 features a sleek plastic body that reflects the contemporary design trends of its time. Despite its lightweight construction, the camera boasts durability, allowing it to withstand the rigors of daily use.
The Argus 3640 incorporates a fixed-focus lens, which simplifies the photography process for users who may not be familiar with more advanced camera operations. This lens offers a 43mm focal length, which is ideal for capturing a range of scenes, from family portraits to landscape shots. The camera's aperture range of f/11 to f/16 allows for decent depth of field, making it versatile enough for various shooting conditions.
In terms of exposure control, the Argus 3640 is equipped with a simple shutter mechanism that operates at a single speed, typically around 1/90th of a second. While this may seem limited by today's standards, it was sufficient for the casual photographer of the 1960s. The camera also incorporates a manual film advance lever, emphasizing its straightforward operation.
One of the more innovative features of the Argus 3640 is its use of 126 film cartridges. This format was designed to simplify film loading and unloading, enabling users to quickly change rolls without the need for extensive technical knowledge. The resultant square format images produced a distinctive aesthetic, appealing to photography enthusiasts and casual users alike.
The viewfinder on the Argus Camera 3640 is a simple frame type, allowing users to compose their shots with ease. While it may lack the precision of modern viewfinders, it offers a clear line of sight for capturing images.
In conclusion, the Argus Camera 3640 represents a blend of functionality and accessibility, making it a favorite among amateur photographers in the 1960s. Its lightweight design, user-friendly features, and innovative film technology helped demystify photography for the masses, leaving a lasting impact on the industry. Whether capturing cherished family moments or scenic landscapes, the Argus 3640 allowed everyday people to engage with photography in an enjoyable and approachable manner.