Optical InfoOptical DesignED Triplet RefractorLens CoatingsFully Multi-CoatedGlass TypeBK7 (2)/FPL-53(ED)Primary Aperture (mm)120F/Ratio7Focal Length (mm)840
Observational InfoDawes Limit0.97Rayleigh Limit1.16Limiting Mag.12.9Minimum Magnification17Maximum Magnification236Light Gathering (compared to next size down)44%General InfoFocuser3.4" Dual Speed R&POTA Length (Retract/Ext.)27.4"/31.5"OTA Outer Diameter6.875"OTA Weight (with accessories)22
AccessoriesIncluded Finder8x50 RACIIncluded Diagonal2" DielectricMounting AccessoriesRings/D-RailIncluded EyepiecesNoneIncluded CaseYesCorrectorYes