Solo-mark 70mm ED Apochromatic APO Triplet Refractactor Telescope with Field Correction for Astro Photography


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Solo-mark 70mm ED APO Triplet Refractor - 70mm Aperture / 420mm Focal Length - 4 Element Doublet APO Refractor Telescope with Field Correction for Astro Photography - 2″ Rp Focuser - Fpl53 Glass

Advantages:

— fully corrected triplet lens group for colour-free imaging

— integrated field flattener (4th lens) for a corrected fiels up to full-size sensors

— optimized flattener position inside the tube for best effect

— 2″ dual speed focuser for high loads - no slipping, no shifting

— 360° rotation possibilitiy for ideal framing — CNC tube rings

— finder shoe (Vixen/Celesstron/Skywatcher compatible)

Specifications:

— Photographic speed: f/6.5

— Diameter of the corrected field: 44mm

— Focuser: 2″ RP with improved bearing, 360° rotation and ring clamping

— Mechanical length: 340/375 mm with retracted/extended dew cap

— Resolution: 1.78 arc seconds

— Limiting visual stellar magnitude: 11m6

— Diameter of the dew cap … 88mm (for solar filter)

PV Rate:less than 1/4

PS. 1 year warranty. All life technical support. We take full ownership and responsibility for the quality of our products and will do best to solve your problem quickly and efficiently.Fully corrected triplet lens group for colour-free imaging. Integrated field flattener (4th lens) for a corrected fiels up to full-size sensors

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