The SVBONY 5x24 low power;wide angle telescope fixed to the body of a more powerful telescope and pointed in the same direction for initially locating an object to be observed. An adjustable focusing wheel is projected onto a non magnifying viewing window so you can aim the main telescope quickly and easily. High quality eyepieces and objectives. Quality crosshair viewfinder makes targeting celestial objects in your telescope easy! Fully coated, achromatic glass optics yield crisp, bright images for easy aiming. 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. This dovetail plate attaches to the saddle of a wide range of mainstream V-style mounts and "narrow-style" dovetail plate also works well with various smaller alt-azimuth mounts. This V-Style dovetail plate mounts bolts with a continuous groove that easily accommodates any bolt spacing and balance needs. The dovetail plate is housed precision machined from aluminum alloy and black anodized to a hard finish and the dovetail is more durable and the service life is extended. Package details: 1X4.72in / 120mm Dovetail Mounting Plate; 2X M6 Screws;1XM5 Allen wrench Specifications: Brand: SVBONY Model: SV219 Length:120 mm / 4.72in Function: V-Style Dovetail Plate Surface Treatment: Black Anodized finish Width: V-Standard Material: Aluminum Construction