Could be better protected for shipping but arrived perfectly and works as expected. After using for several nights: nice crisp contrasting images, a bit more light scattering than a comparable prism diagonal. Barrel that goes inside the focuser may benefit from flocking with matt paint or cardboard.
Super nice and affordable dielectric diagonal. The mirror is full size respect to the chassis, perfectly alligned and it carries a lot of light. The side plates are not blackened on the inside but it does not seem to create problems. With my old jap refractor 80/1200 this diagonal makes a noticeable difference, even if compared with a pretty nice prismatic