After extensive research and design, the Irix 45mm f/1.4 Dragonfly Lens for Pentax K emerges as a superior choice for both professional and amateur photographers. This lens offers a unique alternative to the standard 35mm and 50mm focal lengths, providing a fresh perspective for those who appreciate the art of ""normal"" lens photography. The lens features a fast aperture, delivering smooth bokeh and exceptional image quality even in low light conditions. Its classic focal length makes it a versatile tool for a variety of photography genres, from landscape to street photography. One of the standout features of this lens is the Focus Lock. This innovative feature allows photographers to lock the focus ring at a specific position, proving invaluable for landscape photography, repetitive shooting, and maintaining a consistent distance from the subject. The Irix 45mm f/1.4 lens also boasts a high-quality focus ring, modeled after the popular design found on the Irix 150mm f/2.