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Product Discontinued by Manufacturer

Celestron Telescope RASA 36cm - OTA Only, f/2.2 has been discontinued by Celestron and is no longer available. Our product experts have helped us select these available replacements below.

Product Info for Celestron Telescope RASA 36cm - OTA Only, f/2.2

Celestron Telescope RASA 36cm - OTA Only, f/2.2 belongs to our big selection of . You should have a look at the complete line of from Celestron which we provide at everyday discounted prices. Browse our full product choice for the equipment and merchandise you need to tackle the task at hand.

Features of Celestron Telescope RASA 36cm - OTA Only, f/2.2:

  • A breakthrough 36 cm aperture
  • f/2.2 optical system designed for professional applications that require both a wide field of view and resolution
  • such as space surveillance and other scientific applications
  • 4-element lens group utilizes extra-low dispersion (ED) glass for images free of false color
  • coma
  • and field curvature
  • the Rowe-Ackermann Schmidt Astrograph (RASA) 36 cm is also an excellent choice for advanced astroimaging
  • 60 mm optimized image circle maintains pinpoint stars to the far corners of the largest available sensors
  • Extended spectral range takes advantage of sensor response in the 700-900 nm range
  • allowing a brighter overall signal to be detected
  • Redesigned focusing system minimizes focus shifting or other unwanted motion of the primary mirror
  • enabling easy and stable focus
  • Celestrons proprietary XLT coatings
  • consisting of high-transmission multi-coatings for lenses and high reflectivity aluminum coatings
  • ensure good light throughput for the optical system
  • Integrated cooling fan helps optics cool down to ambient temperature and pulls air through vents with micromesh to prevent dust ingress
  • Dual dovetail bars offer flexibility to mount the optical tube and conveniently attach additional accessories
  • Accomodates CGE/Losmandy style dovetails.
  • Two sets of 2x threaded insert holes in the rear cell provide additional mounting options
  • Move and mount your optical tube with ease with carrying handles on the rear cell
  • Although not normally needed
  • there are 3x sets of push-pull screws to adjust the lens group to achieve optical alignment for the entire system
  • Includes M48 camera adapter
  • Motor system specifically designed for the RASA 36 cm focuser is manufactured by Starlight Instruments
  • Optical Design: Rowe-Ackermann Schmidt Astrograph
  • Aperture: 355.6mm (14")
  • Focal Length: 790mm (31.1")
  • Focal Ratio: f/2.2
  • Central obstruction diameter: 158mm (6.22")(44% of aperture diameter)
  • Light Gathering Power (Compared to human eye): 2581X
  • Resolution (Rayleigh): 0.39 arc seconds
  • Resolution (Dawes): 0.36 arc seconds
  • Image circle: 60.1mm (2.36")
  • 4.4 degree
  • Useable field: 70mm (2.75")
  • 5.1 degree
  • only minimal performance loss at edge of FOV
  • Wavelength range: 400 900 nm
  • Spot size:Included Accessories:
  • 48 mm camera adapter
  • fan battery pack

Package Contents:

  • Celestron Telescope RASA 36cm - OTA Only, f/2.2
  • 48mm (1.89") camera adapter fan battery pack