The Pentax 645 LS is a 75 mm f/2.8 lens with a leaf shutter design. A 470 g weight makes it easy to take this Pentax camera lens on-the-go during travel assignments. It also comes equipped with front and rear lens caps to provide solid protection against dirt and other debris. A 75 mm focal length and f/2.8 aperture on the Pentax 645 LS make it easy to achieve subject matter clarity even at long ranges. Additionally, this 75 mm f/2.8 lens features SMC coating. This process ensures optimal light transmission while effectively reducing ghost imaging and flares. High contrast and sharpness make this Pentax camera lens ideal for photographing projects related to product advertising, or any other task that requires a large degree of detail. The speedy flash sync shutter speeds on the Pentax 645 LS range from 1/60 to 1/500 helping photographers quickly capture desired shots. Users depend on this lens to keep pace with the ever-changing needs of photographing in unpredictable environments.