Esprit 100EDX — 100/550 triplet apochromat The Esprit 100EDX uses a 100 mm triplet objective with a Ohara FPL-53 ED element and MHTC coatings. Its 550 mm focal length and f/5.5 optical system are intended for detailed imaging and visual observing with the appropriate accessories.
Manufacturer model: Esprit 100EDX — 100/550 triplet apochromat · Specifications checked against manufacturer data on 2026-11-04
The Esprit 100EDX uses a 100 mm triplet objective with a Ohara FPL-53 ED element and MHTC coatings. Its 550 mm focal length and f/5.5 optical system are intended for detailed imaging and visual observing with the appropriate accessories.
A CNC-machined hybrid rack-and-pinion linear-power focuser provides 11:1 fine adjustment and a 3-inch indexed drawtube. The main focuser and 360° drawtube adapter rotate independently for camera framing.
The aluminium tube is internally baffled and uses a fixed dew shield. CNC aluminium mounting ring(s), a carrying handle and a 75 mm-wide dovetail are supplied. The OTA weighs 7.36 kg and measures 565 mm.
A matched field flattener is optional; the manufacturer specifies a 44 mm image height with it fitted. An aluminium-framed carrying case is supplied. Eyepiece, diagonal and finderscope are not included.
Sky-Watcher manufacturer documentation
Exact EDX model checked; 45/75 mm values describe mounting-bar width, not length. Corrected image height applies only with its optional matched flattener. Legacy Esprit package items and camera spacing are not transferred.
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Esprit 100EDX — 100/550 triplet apochromat The Esprit 100EDX uses a 100 mm triplet objective with a Ohara FPL-53 ED element and MHTC coatings. Its 550 mm focal length and f/5.5 optical system are intended for detailed imaging and visual observing with the appropriate accessories.
Manufacturer model: Esprit 100EDX — 100/550 triplet apochromat · Specifications checked against manufacturer data on 2026-11-04
