The Caruba Reverse Ring Pentax PK-77mm is a specialized lens adapter designed for macro photography with Pentax K-mount camera systems. This adapter allows standard Pentax K lenses to be mounted in reverse orientation, enabling them to function as high-magnification macro lenses for extreme close-up shots. With a 77 mm filter thread on the back, the adapter is compatible with lenses of this diameter. Made from a durable aluminum alloy and brass bayonet components, the Reverse Ring ensures precise alignment between the lens and camera body. With a length of about 25 mm and a weight of around 85 g, the adapter has minimal impact on camera balance. This solution offers a cost-effective alternative to specialized macro lenses and allows for magnification ratios of 1:1 or more, depending on the characteristics of the attached lens. The reverse mounting technique is particularly effective for capturing fine details in subjects such as insects, flowers, and jewelry. It is important to note that when using this adapter, automatic aperture control and autofocus functions are generally not available, requiring manual adjustments.

• Enables extreme close-ups with standard Pentax K lenses
• Made from durable aluminum alloy for high stability
• Precise alignment between lens and camera body
• Cost-effective alternative to specialized macro lenses.