SVBONY SV503 102mm F7 ED Doublet Refractor Telescope OTA | F9359D Dobsonian Please refer to the material

Please refer to the material object

ZWO EAF compatible for automated focus control

5m Real Field of View (degrees): 7

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

The Antares Extension Tube ET2TL extends any 2" accessory by 2

SVBONY SV503 102mm F7 ED Doublet Refractor Telescope OTA | F9359D Dobsonian Please refer to the materialED 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