smc FA 645 75mm F2.8 - Overview
This lens comprises 6 elements in 5 groups and features PENTAX original super multi coating (SMC). SMC describes seven microscopically thin layers of high quality coatings that are applied to the lens elements. SMC coatings significantly increase the amount of light transmitted by the lens. Weighing only 215g this lens allows extreme portability. Compatible with both film and digital PENTAX 645 cameras.