Metal Polar Scope Adapter: The polar scope mount for the right-angle viewfinder adopts an all-metal construction and precise craftsmanship; which is sturdy enough to ensure long-lasting use | Multi-Angle Adaptation: For the combination of the viewfinder and the polar scope adapter; the multiple selection design of 360° angle and right angle 90° at will is conducive to achieving polar alignment in a more comfortable posture, thereby liberating the waist and knees from fatigue | Widely Compatibility: The polar scope adapter for the right-angle viewfinder is compatible with most polar scopes with a cylindrical eyepiece that has a height greater than 23.5 mm and a diameter ranging from 23.5 to 30 mm; it can also fit onto the polar finder of most common mounts | Lens Construction: 9 elements in 5 groups with a high-quality roof prism; diopter adjustment is built-in with ± 4 for variations in eyesight; an included adapter is provided; this angle viewfinder can be mounted on numerous DSLR cameras | 1x and 2.5x Magnification: Manually adjust the magnification between 1x and 2.5x; This enables you to access smaller details of the view and makes it easier for you to focus when doing macro shooting