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Lunette APO Quintuplet FRA400 Askar (F/5.6) - Askar

Lunette APO Quintuplet FRA400 Askar (F/5.6) - Askar

Disponible sous 7 jours

€1.409,00 EUR
€1.409,00 EUR
In vendita Épuisé
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Since their creation, the Askar astrographs from the FRA range (with short focal ratio) have been very well received by astrophotographers around the world. The FRA400 model is a compact Petzval-type astrograph with a diameter of 72mm and an aperture of f/5.6. Stars are sharp and fine, at the center of the field of view as well as on the edges even with a large sensor.

  • Objective: Quintuplet Petzval APO (air-spaced) - 2 ED elements included
  • Diameter: 72mm
  • Focal length: 400mm (f/5.6)
  • Image circle: 44mm
  • Maximum backfocus: 140mm from M68x1 output
  • Length: 317mm
  • Width: Optical tube 90mm (100mm at the dew shield)
  • Height: 151mm (from the handle to the dovetail)
  • Weight of the optical tube: 2560g
  • Weight with rings and dovetail: 2880g
  • Output: M68x1 thread and 50.8/31.75mm output
  • Compact and lightweight, ideal for mobile astrophotographers
  • Exceptional image quality with sharp and fine stars
  • Compatibility with full-frame sensors due to a 44mm image circle
  • Advanced optical design with 2 ED elements and multi-layer coating for a clear image
  • Robust eyepiece holder with fine adjustment for precise focusing
  • Compatible with all included adapters M68x1, M54x0.75, M52x0.75, and M48x0.75
  • Compatible with standard tripods via included mounting rings
  • 72mm APO Quintuplet FRA400 Askar (F/5.6)
  • 2 Mounting rings
  • Askar dovetail type Vixen
  • Carrying handle
  • M68x1 / M54x0.75 adapter
  • M54x0.75 / M52x0.75 adapter
  • M52x0.75 / M48x0.75 adapter

askar-fra400

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