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Askar FRA600 (f/5.6 108mm Quintuplet Astrograph)

Askar FRA600 (f/5.6 108mm Quintuplet Astrograph)

Regular price Rs. 279,999.00
Regular price Sale price Rs. 279,999.00
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Askar FRA600/5.6. Following the excellent optical performance of its first FRA400/5.6,the FRA600/5.6 is an evolution of the FRA series, an upgraded lens has a 108mm aperture and a 600mm focal length,the f/ratio is still f/5.6, and the image circle is 66mm surpass the full frame!





Focal length


Focal ratio


Objective type

Quintuplet flat-field APO (including two ED elements)

Image circle


Back focus

160mm (from the end of rotator M90x1 thread)

Overall length


Tube weight


Standard packing weight

7.8kg(not include Aluminum case)

Back-end adapter

M108x1 male thread (no rotator), M90x1 male thread, 2" adapter/ 1.25" adapter

Conical adapter



A pair of tube rings, a handle, a dovetail plate, sectional conical tube adapter (with M54X0.75 and M48x0.75 male thread), an
inspection list, a manual

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