The dovetail plate provides a platform for coupling telescope to equatorial telescope mounts that have a v-style saddle. The dovetail plate is important for your mounting requirements, and will add stability and safety to your astronomical equipment setup.The dovetail plate attaches to the saddle of a variety of popular V type brackets, and the "narrow" dovetail will also fit a variety of smaller alt-azimuth mounts.This V-Style dovetail plate mounts bolts with a continuous groove that easily accommodates any bolt spacing and balance needs.Adjustable all-round viewing angle, observe as one pleases. Helical turbine drive supports 360° all-round adjustment: -60° to +60° altitude adjustment, all-round visual adjustment angle to meet your visual observation needs. Fine-tunning control lever to meet your adjustment efficiency in different scenarios. The mount holds the telescope steady. The locks on each axis work well and the slow motions are smooth. The slow motion controls make it easy to zero in on an object and then keep it from drifting out of the eyepiece as the earth turns. Easy to set up and use, well constructed with good knobs and finishes.