32mm 1.25" Finderscope Focuser Guide Scope 125mm Focal Length Finderscope with Bracket for Astronomical Telescope Description: Compact mini guide scope designed for astrophotography telescopes 32mm guide scope with bright, wide-field optics puts numerous potential guide stars in view With front and rear dust cover to prevent dust from entering and prolong the use time Adjustable focal length, 360 smooth rotation; Convenient installation, screw hole at the bottom of the tail plate, directly fixed installation The telescope attached to the main telescope tube to monitor the guide star, its function is to ensure that the main telescope accurately tracks the observed celestial body. Once the guide star deviates correctly, it will be corrected by the driving device of the telescope Note: The product needs to be equipped with eyepieces. The product does not contain eyepieces and tracking drive devices Specification: Material: Metal Guide Scope Size: Approx. 4.5x12cm/1.77x4.72inch Bracket Size: Approx. 5.5x7.7cm/2.16x3.03inch Caliber:: 32mm Focal length: 125mm Focal ratio: F4 Interface: 1.25"/M42 to interface Lens coating: Multi-layer coating green film Material: metal mirror body Applicable guide star camera brands: ZWO, QHY, SG4, -ST, DMK, etc. Product configuration: guide star mirror, dust cover, integrated hoop dovetail plate, 3 screws Package Includes: 1 Piece Guide Scope 1 Piece Bracket Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.