Compact Pentax M-series 100mm macro with SMC coating, comfortable working distance in remarkably small dimensions.
The Pentax SMC Pentax-M 100mm f/4 Macro is a true macro lens in the compact M-series design, providing 100mm working distance with 1:2 magnification and 1:1 with extension tube. The 100mm focal length offers more comfortable working distance than 50mm macros, keeping the camera further from subjects.
The SMC coating provides excellent contrast and flare resistance essential for the high-contrast subjects typical of macro photography. The flat-field correction ensures sharp edge-to-edge reproduction on flat subjects, and the 100mm perspective provides flattering compression for close-up work.
Build quality is compact Pentax M-series with all-metal construction and smooth extended focusing for close-range travel. The M-series design keeps dimensions remarkably small for a 100mm macro, and the K-mount ensures compatibility across the Pentax system.
The SMC Pentax-M 100mm f/4 Macro offers excellent macro capability at affordable used prices with the bonus of comfortable 100mm working distance. The compact M-series dimensions and quality SMC optics make it one of the most portable serious macro lenses available.