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Item 56542
Product Name Officina Stellare Telescope RiFast 500/1900 SGA OTA
Brand Officina Stellare
Aperture (mm) 500
Focal length (mm) 1900
Aperture ratio (f/) 3,8
Type Reflector
Tube material Carbon
Resolving capacity 0,23 arcseconds
Limit value (mag) 17,2
Light gathering capacity 5100x
Max. useful magnification 1000x
Tube weight  187.4 lb
Tube construction Truss Tube
Main mirror´s construction Hyperbolic
Secondary mirror obstruction 275mm (55%)
Ventilation for central mirror Yes 
Primary mirror - Material Borosilicate glass
Adjustable Yes 
Backfocus (mm) 240
Type of build Internal
Motorized Yes 
Free aperture (mm) 80
Mounting type No  mount
Type of build OTA
Included accessories  
Prism rail Losmandy-Style
Corrector Integrated
Series RiFast
Area of application  
Astrophotography Yes  (very good)
Moon & Planets Yes 
Nature Observation No 
Nebulae & galaxies Yes 
Sun No 
Recommended for  
Beginners No 
Advanced Yes 
Observatories Yes 

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Officina Stellare Telescope RiFast 500/1900 SGA OTA

  • $59,600.00
  • Ex Tax: $59,600.00

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Tags: Professional, OTA, Standard Glass, f/3.8, 500mm OTA, Hyperbolic