Astromania Finder Scope, Right Angle Correct Image Optical Finderscope 9x50

9x50 Objective Lens with FMC: Experience crisp bright views with 9x magnification and 50mm objective lens; Fully multi-coated enhance transmission and contrast for delivering upright and non-reversed image - ideal for quick & accurate target acquisition, Crosshairs with 3-Screw Adjustment: Built-in crosshair reticle for precise alignment with target; One screw for vertical alignment; one screw for horizontal alignment and compression ring to let to easily center finder's field with telescope's main optics, Adjustable Focus Ring & Internal Rubber Ring: Rotating focus ring for quickly achieving to precise focusing; Built-in rubber ring dampens vibrations and securely holds focus position for preventing misalignments even when telescope is moved or jostled, Standard Synta-Style Dovetail Base: The finder scope wil fit into a large range of holders: Skywatcher Vixen Orion GSO and many other makes have compatible finder scope shoes for allowing quick, tool-free mounting on most telescopes for instant setup, Exquisite Details Description: 90 comfortable viewing angle is designed for fatigue-free observation to allow natural head positioning; Entire body is machined from aluminum for long-lasting and includes protective dust caps for keeping optics clean.