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Optical design information is provided in this section.  Some files are available in other formats, see [[http://mogit.as.arizona.edu/90prime_files/Documents/docs/|this direct folder link]] to browse many files.  The list below shows some of the files which are available when you browse...

Primary Mirror
  * Diameter: 90.00" ± 0.0625" (2286 mm) 
  * Central Obscuration Diameter: 33.5" ± 0.1" (851 mm) 
  * Conic Constant: -1.0646 ± 0.001 
  * Radius of Curvature: 12281 mm ± 4 mm 
  * Uncorrected Focal Length: 6140.5 mm 
  * Uncorrected Focal Ratio: f/2.69 
  * Measurement of the 90-inch Primary Mirror Optical Prescription

Corrector Optics
  * Corrected Focal Length: 6829.2 mm 
  * Corrected Focal Ratio: f/2.98 
  * Optical Design and Specifications for the 90-inch Prime Focus Corrector (Rev E-2) 
  * Corrector Design Tolerances
  * AR Coating Theoretical Reflectance
  * AR Coating Measured Reflectance: 
  * Both Sides
    * AR Coating Measured Reflectance: Side 1 
    * AR Coating Measured Reflectance: Side 2

  * Vignetting Effects
  * Ghost Analysis for the 90'' Prime Focus Corrector
  * 90-Inch Prime Focus Corrector Lens 1 Testing Report (Michael Tuell)
  * 90-Inch Prime Focus Corrector Lens 3 Testing Report (Michael Tuell)
  * Corrector Optics Defects 
    * Lens 2 and Lens 3 Defects
    * Lens 2 Defects
    * Lens 3 Defects
  * Unordered List ItemL2 asphere profile measurements (Steve Miller; SO Mirror Lab)

Baffles
  * See Baffle and Baffles
  * Inner Lens Can Baffling
  * External Lens Can Baffling
  * Baffling Inner Lens Can Baffling
  * External Lens Can Baffling

Drawings
  * Optics with dimensions & header 
  * Optics with dimensions & without header 
  * Optics without dimensions & without header
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