The adapter is constructed from anodized aluminum alloy, not plastic, ensuring a durable and reliable design. It allows Pentax PK K mount lenses to be used on Sony E-Mount mirrorless camera bodies, providing photographers with increased flexibility and lens compatibility.

One of the key features of this adapter is that it enables the lens to focus to infinity, a crucial capability for many types of photography. Additionally, it supports AV/M mode, allowing users to have greater control over their camera's aperture and manual settings.

It's important to note that while the lens will physically fit the adapter, some functions may not operate as intended. Specifically, the automatic diaphragm, auto-focusing, and other advanced features may not function when using this adapter. This is a limitation to be aware of when considering the use of this product.

The adapter is designed to be compatible with a wide range of Sony mirrorless camera models, including the NEX-3, NEX-3C, NEX-3N, NEX-5, NEX-5C, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, NEX-F3, a6500, a6300, a6000, a5100, a5000, a3500, a3000, Alpha A7, A7R, A7S, A7II, A7RII, A7SII, and the NEX-VG10 and VG20 camcorders.

By providing a high-quality aluminum alloy construction and the ability to use Pentax PK K mount lenses on Sony E-Mount cameras, this adapter offers photographers a versatile and durable solution for expanding their lens options and creative possibilities.

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