TS-Optics 4" f/5.1 Imaging Star APO Astrograph - Aperture 102mm Focal length 520mm, TSAPO102Q

الوصف

TS 4" f/5.1 Imaging Star APO Astrograph - Aperture 102mm Focal length 520mm ... fast 6 element Apo Refractor with FPL53 lens ... fully illuminated and corrected field with 35mm diameter - suitable for APS-C sensors TS Imaging Star APO 102mm f/5.1 advantages: -- 102mm aperture, very fast f/5,1 -- FPL-53 Triplet lens by Ohara (Japan) -- Redesigned 2.5" Rack & pinion focuser with 1:10 dual speed transmission and screwed camera connection -- Fully corrected and illuminated field for sensors like APS-C size -- 360° camera rotation for perfect framing -- CNC machined dovetail rail -- Solid aluminium transport case with space for accessories -- Retractable dew cap: transport length 450 mm only Technical details: Aperture: 102mm Focal length: 520mm Photographic speed: f/5.1 Main lens: 102mm FPL-53 three element APO - air spaced Corrector: 3-element, 48.5 mm free aperture Weight: 4.5 kgs (OTA with tube rings) Scope of delivery: TS Imaging Star APO CNC tube rings 2.5" Rack & Pinion focuser M48x0.75 adapter with 360° rotation ability Aluminium travel case Due to its relatively short back focus, this telescope is not intended for visual observation with 1.25" or 2" diagonals.