The new TV-102iis is still the same great low power, wide field telescope that was made with binoviewing in mind, but now it shines as an imager as well! Back focus is nearly 125mm with the 0.8X reducer/flattener (sold separately) in place. Includes a large 2.4 inches focuser with Focusmate installed. Recommended for use with 35mm or larger chips. Comes with hard case, 2 inches accessory adapter with clamp ring for 1x Bino Vue use, 125mm long extension tube for visual use without binoviewer, and a photographic accessory adapter.