SVBONY SV503 102mm F7 ED Doublet Refractor Telescope OTA | F9359D Dobsonian open your preferred web browser

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Please refer to the material object

no need to calculate specific back focus between 50mm and 60mm connection distance

Every eyepiece or measuring device is automatically aligned parallel to the optical axis – even in the case of diameter tolerances

SVBONY SV503 102mm F7 ED Doublet Refractor Telescope OTA | F9359D Dobsonian open your preferred web browserED Extra Low Dispersion Glass Dual speed Rack & Pinion Focuser 1. 17 Arc second Resolution Compatible With 1. 25" 2" Adapters OTA Rings With Dovetail Specifications Product Name SVBONY SV503 102F7 ED Astronomy Telescope Type Refractor ED Glass S FPL51 Coating SMC Aperture 102mm 4. 01 Inch Focal length 714mm Focal Ratio f 7 Type of Focuser RAP (Rack and Pinion) Gear Reduction 1: 10 Fine movement Resolving capacity 1. 17" Limit value 12. 1 Light