The Vivitar MC 70-210mm f/4.5-5.6 Macro Focusing Zoom Lens is designed for Pentax KA/Ricoh cameras, offering a range of focal lengths from 70-210mm with a maximum aperture of f/4.5-5.6. This lens is part of the Vivitar MC Macro series, known for its high-quality optics and manual focus capabilities. It comes bundled with front and rear caps, as well as a manual for easy operation. Ideal for SLR cameras, this lens allows for close-up macro shots with its zoom capabilities and fine-tuned focus.