Unlock new creative possibilities with the PK-AI Lens Mount Adapter Ring, designed to connect Pentax K mount lenses with Nikon AI F mount camera bodies. This adapter is perfect for photographers looking to blend the classic optics of Pentax lenses with the advanced capabilities of Nikon cameras. Durable Construction: Crafted from high-quality brass and aluminum, this adapter is built to withstand rigorous use while maintaining a secure connection between your lens and camera. The robust design ensures longevity and reliability in various shooting conditions. Compatibility: This adapter allows you to use Pentax K mount lenses on Nikon AI F mount cameras, including popular models such as the D700, D300, and D3. Expand your lens options and bring a new dimension to your photographic projects without the need for new equipment. Manual Focus Precision: Designed for photographers who appreciate the art of manual focus, this adapter requires preset focusing. While it does not support autofocus, it gives you full creative control over your compositions, allowing you to achieve precisely the desired focus and depth of field. Infinity Focus Capability: Equipped with a corrective lens, this adapter enables focusing to infinity. This feature is particularly beneficial for landscape and architectural photography, where capturing sharp details across long distances is essential. Optical Glass for Image Clarity: The inclusion of high-quality optical glass in the adapter ensures that your images remain clear and vibrant, maintaining the integrity of your lens's optical performance. Enhance your photography by combining the unique qualities of Pentax lenses with the versatility of Nikon cameras using the PK-AI Lens Mount Adapter Ring. Its durable construction and infinity focus capability make it an invaluable tool for photographers eager to explore new creative horizons.