Product description 1. SVBONY Compact Ultra-mini Star Finder for auto-guided camcorders 2. Compact 4.4-inch mini waveguide mirror with 30mm f / 4 aperture optics 3. Support sensitive automatic guidance camera, easy to obtain guide star 4. With finger screw locking ring precise screw focus adjustment function 5. Designed for automatic guidance cameras such as Orion ZWO QYH (1.25 inch or M42 mounting interface) Specification: Model: SV165 Lens diameter: 30mm Focal length: 120mm Coating: FMC Support port: 1.25-inch or M42 * 0.75 for camera installation Focalizer type: Front focalizer Rear focus: Adjustable Dovetails with 1/4 inch screw holes Pipe travel: 45 mm Surface technology: sandblasting oxidation Material: Aluminum profile Net weight: 342g / 0.75lb / 12.06oz Body size: 92x56x78mm / 3.62x2.20x3.07in Features: 1.Compact Ultra-Mini Guide Scope For Auto Guiding Cameras2.Compact 4.4Mini Guide Scope With 30Mm F/4 Aperture Optics 3.Support Sensitive Auto Guiding Cameras For Easy Guide Star Acquisition4.Features Precise Helical Focus Adjustment With Thumbscrew Lock RingDesigned For Use With The Orion Zwo Qyh And So On Auto Guiding Cameras (1.25In Or M42 Mount Interface) Specification: 1.Brand: -2.Model: Sv1653.Lens Diameter: 30 Mm4.Focal Length: 120 Mm5.Coated: Fmc6.Support Interface: 1.25In Or M42*0.75 Mount Camera7.Focuser Type: Front Part Focuser8.Back Focus: Adjustable9.Dovetail Includes 1/4 Screw Hole10.Tube Travel: 45 Mm11.Surface Technology: Sandblasting Oxidation12.Material: Aluminum Profile13.Net Weight: 342G / 0.75Lb / 12.06Oz14.Body Size: 92X56x78mm / 3.62X2.20X3.07 In Packing list: 30Mm F/4 Mini Guide Scope1Xtwo-Ring Bracket With A Dovetail 1Xtwo Nylon-Tipped Thumbscrews1Xone Screws Tool1Xone Dust Cover1Xone Lens Cover

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