Skater short front HD2-10x28IRFFP, using the new Werther razor front original differentiation optical path system, high-end quality, the length is only 26cm (excluding the extinction tube), which can be used as a quick aiming (the upper eye is fast and the thin wall is wide angle), a red dot (the light is on and the center is on), and a long aiming (equipped with the extinction tube)...... Highly practical and cost-effective!