Astromania 50mm Compact Deluxe Finder & Guidescope Kit with 1.25" Double Helical Focuser - Guiding with The Mini-Guide Scope: So Astrophotography is Easier and Less Equipment

Mini guide tube for quickly finding objects and guide stars that are designed for visuals and astrophotographs; worm focus: fast focus and prevents camera and eyepiece rotation; use as comfortable, large viewfinder with less time to find visual objects 200mm focal length Design for astrophotography telescope up to 1500mm. Focal length up to 1500mm Wide field optics puts so potential guiding star; a locking screw that stays in place; Hex screws built into holes tighten two hex screws with hex key to lock Adjustable weight for an astrophotography setup and can be conveniently stored in an accessory case between uses; dovetail guide mount installs on virtually any astrophotography telescope quickly and easily; Sturdy metal housing made of black anodized aluminum that is solid and robust; milled and knurled ring allows for easy and precise fine focus adjustments; Comes with matching tube clamps and a Synta-style mounting plate to make mounting and installation easily Integrated helical focus with brass compression ring and 2 thumb screws; 40mm focus range means 10mm focusing range with micro-focus helical focus and 30mm fixable with scaled traction tube which is made possible by extremely precise focus adjustment