optics
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| - | Optical design information is provided in this section. | ||
| - | |||
| - | Primary Mirror | ||
| - | * Diameter: 90.00" ± 0.0625" | ||
| - | * 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/ | ||
| - | * Measurement of the 90-inch Primary Mirror Optical Prescription | ||
| - | |||
| - | Corrector Optics | ||
| - | * Corrected Focal Length: 6829.2 mm | ||
| - | * Corrected Focal Ratio: f/ | ||
| - | * 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: | ||
| - | * AR Coating Measured Reflectance: | ||
| - | |||
| - | * Vignetting Effects | ||
| - | * Ghost Analysis for the 90'' | ||
| - | * 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 | ||
optics.1564505623.txt.gz · Last modified: 2019/07/30 09:53 by davner
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