Celestron EdgeHD 1400 0.7x focal reducer (Celestron, SKU: 94240). The Celestron EdgeHD 1400 0.7x is a focal reducer designed for the EdgeHD 14" telescope. It shortens the focal length to 0.7 of its original value and increases the field of view by approximately 43%, while maintaining the EdgeHD system’s flat-field correction. The five-element optics include lanthanum-glass lenses, housed in CNC-machined aluminium.
Key features
• fully multi-coated FMC air-to-glass surfaces • blackened lens edges to reduce internal reflections • optics optimized for a 42 mm image circle • retained 146 mm back focus allowing use of the Celestron #93646 T-adapter • threaded metal covers protecting both ends of the reducer during storage
Included items
• focal reducer: Celestron EdgeHD 1400 0.7x • metal covers
Technical specifications
• compatible telescope: Celestron EdgeHD 14" • reduction factor: 0.7x • optical design: 5 air-spaced elements • low-dispersion lens material: lanthanum glass • optical coatings: FMC • clear aperture: up to 60 mm • optimized image-circle diameter: 42 mm • recommended distance to the sensor plane: 146 mm • distance from the optional #93646 T-adapter output to the sensor: 55 mm • housing material: aluminium • warranty: 24 months
The reducer makes larger targets easier to photograph with an EdgeHD 14", while retaining space for accessories in the imaging train.
Comparison with the Celestron #94175 reducer. Below: an example of installation on a telescope.
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