ASA EQ1000
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Ritchey-Chrétien equatorial telescope f6.76 1m (1000mm) Ritchey-Chrétien equatorial telescope f6.76 Main Facts
Optical design
Ritchey-Chrétien RC
Linear central obstruction
35%
Focus position
Cassegrain
Focal length
6760mm
Focal ratio system
f6.76
Clear Aperture / Focal Ratio Primary Mirror
1000mm / f2
Image field
150mm (1.27 degrees)
Mirror material
Fused silica
Surface quality
>94 strehl
Microroughness
1nm RMS / <0.7nm Ra
Coating
Al+SiO2 >91%
Back Focus from flange
316.61mm
Weight tube
2100kg (4630 lbs) |