Rare Pentax ultra-wide 17mm with SMC coating for K-mount, 104-degree rectilinear perspective for architecture and landscapes.
The Pentax SMC 17mm f/3.5 is a specialised ultra-wide-angle prime for the Pentax K-mount, providing an expansive 104-degree angle of view on full-frame. The 17mm perspective creates dramatic wide-angle compositions that no standard zoom can replicate, making it essential for architectural and landscape photography.
The ultra-wide 17mm perspective bends spatial relationships dramatically, making close objects appear much larger than distant ones. The SMC coating provides excellent contrast and flare control critical for such a wide angle where light sources frequently enter the frame. The rectilinear design keeps straight lines straight.
Build quality is compact Pentax with all-metal construction despite the complex ultra-wide optical design. The lens is small relative to its extreme field of view, and the K-mount ensures compatibility across the Pentax system from vintage film through modern digital bodies.
The Pentax 17mm f/3.5 is relatively rare and commands moderate prices on the used market as one of the widest lenses available for the K-mount system. For architectural and landscape photographers, the 17mm perspective provides dramatically wider coverage than common 24mm or 28mm alternatives.