The Horseman VHR Angle Viewer is a right-side-up viewer, which is used in blocking stray light. It is compatible with the 6x9 technical cameras.It can be either attached directly to the international camera backs or via rotary backThe Horseman VHR Angle Viewer features a rotating eyepiece placed at an angle of 70 degree to the optical axis, which makes viewing comfortable in natural positionHorizontal and vertical orientation is maintained by rotating the angled eye-pieceIt offers 2x magnification of screen image