Pentax F SMC 17-28mm f/3.5-4.5

The Pentax F SMC 17-28mm f/3.5-4.5 is a high-quality ultra-wide angle lens, produced by Pentax. It's ideal for those looking for sharp images across the entire frame.

It has a field of view of 104-75.5 degrees, with a minimum focusing distance of 30cm. The maximum aperture of the diaphragm varies from f/3.5 to f/4.5, depending on the focal length. Equipped with 8 lenses in 8 groups, it guarantees superior image quality.

This lens is perfect for landscape photographers due to its ability to capture vast scenes. It is also ideal for architecture thanks to its minimal distortion. In short, it's the lens for those who seek perfection in terms of sharpness and definition.