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Sizes
- 2" Mounted
- CWL(centre wavelength): 656.3nm
- Fwhm: 7nm
- Tpeak: <85%
- Coating Wavelength: 300-1100nm
- Optical Denisity: OD3
- Surface Quality: 60/40
- Transmitted Wavefront RMS: λ/4
- Parallelism (arcsec): 30s