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ASKAR FRA400C astronomical telescope professional deep space photography
ASKAR FRA400C astronomical telescope professional deep space photography
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The refreshed, budget-friendly iteration of FRA400, is suitable for astrophotography, daily photography, and visual observation.
Specifications
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FRA400C Parameters |
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Aperture size |
72mm |
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Focal length |
400mm |
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Focal ratio |
f/5.6 |
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Objective lens |
Quintuplet dual ED air-spaced APO |
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Format specifications |
44mm |
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Aperture blades |
17 pieces |
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Graded Aperture |
f/5.6-f/22 |
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Closest Focus Distance |
5m |
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Focusing mode |
Manual focus |
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Filter Diameter |
M82 |
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Total length |
370mm (inclulding dew shield); 420mm (without dew shield) |
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OTA weight |
2.68kg |
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Total weight (including handle & dovetail plate) |
3.18kg |
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Rear-end adapter |
M72/M54/M48(with M48×0.75 filter thread) |
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Rear-end connection distance |
Support 50-60mm range (Recommended connection length is 55mm) |
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Standard package items |
1.25inch/2inch adapter,a manual |
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FRA400C AFkit Electronic Focuser Assembly Diagram
Optical Path Diagram
Spot Diagram
Longitudinal Aberration
