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The iStar Phantom FCL 140-6.5 features an apochromatic triplet lens with Fluoro-Crown & Lanthanum glass for excellent color correction. The OTA is very well constructed and finished, and includes a smooth, precise and robust 3.5" two-speed focuser, tube rings, dovetail and top carrying handle, and a retractable dew shield with threaded metal dust cover. It also includes a custom fit hard carrying case.
Aperture: 140mm
Focal Ratio: f/6.5
Focal Length: 910mm
AR Coating: Fully Multi-Coated
Minimum Strehl Ratio: 0.90
OTA Length (dew shield retracted): 826mm (32.5")
OTA Length (dew shield extended): 965mm (38")
OTA Weight (incl. focuser and rings): 10.1 kg (22.2 lbs)
Focuser: Two-speed 3.5" rack & pinion, with 2" clamp ring
Dovetail: 300mm Losmandy style
Recommended Flattener: William Optics 68III (full frame)
Recommended Reducer/Flattener: Starizona Apex L (APS format)
