Robtics 102mm F7 Doublet ED Refractor

Robtics 102mm F7 Doublet ED Refractor

"These Optics Deliver Sharp, Crystal clear, Near Colour-Free Images With Ultra High Contrast".

Aperture - 102mm Focal Legth - 714mm Focal Ratio - F/7 Resolution - 1.14 arc seconds Visual Limiting Magnitude - 11.75 Highest Useful Magnification - 204x Optical Design - Air spaced doublet with one ED element Lens Edges - Blackened lens edges Coatings - Fully multi coated Collimation - Individual collimatable elements Optical Tube - Aluminium with white stardust paint Baffles - Three metal baffles Dew Shield - Retractable dew shield Focuser - Double speed 2" Crayford focuser 360 degree rotatable, 1:10 reduction Mounting Rings - Felt lined mounting rings Dovetail Plate - Vixen size dovetail plate 1.5" Adapter - 1.25" adapter with brass compression ring Tube Weight - 4.5 kg Case - Heavy duty aluminium case Case Dimensions - 71.5 x 22.5 x 34.0 cm Case Weight + OTA - 9.5 kg

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