The Pentax 6×7 Rear Converter 2X is a dedicated teleconverter designed for the Pentax 6×7 / 67 medium format camera system. It multiplies the focal length by 2×, providing increased reach for telephoto-style shooting on the 6×7 format. Designed as a rear converter, it integrates into the Pentax 6×7 lens system workflow for extended focal length capability while maintaining system operation. Engineered for the Pentax 6×7 / 67 mount system, it supports use within the modular Pentax medium format lineup including 67 series bodies. Please check the photo carefully and feel free to contact me if you have any questions before placing order! Based on the weight and shape of each item, we use up to 13 types of cushioning materials to ensure protection and minimize shipping weight. -Please che.