Also known as Losmandy dovetail bar and accessories. The “D" series dovetail consists of a 4" wide bar with a 3inch dovetail. This large surface is the perfect solution for astrophotographers who demand a solid platform. The large dovetail bar is also compatible with a number of popular mounts commonly found in the industry. ADM offers a large line of dovetail bars for popular Meade and Celestron OTAs as well as a number of universal dovetail bars to meet most mounting needs.