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

Name: Lunette APO Quintuplet FRA400 Askar (F/5.6) - Askar
Brand: Askar
SKU: askar-fra400
Price: 1360.90 EUR
Availability: InStock

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

SKU: askar-fra400

Disponible sous 7 jours

€1.360,90 EUR

In vendita Épuisé

Coût expédition: ~

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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.

Features
Advantages
Compatibility
Items included

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