Camera 2, Filter F216N Notes: Brackett γ line. Thermal background important. Central wavelength: 2.1641 μm Mean wavelength: 2.1641 μm Peak wavelength: 2.1668 μm Wavelength range: 2.154–2.174 μm FWHM: 0.0212 μm Maximum throughput: 27.783% Central pixel fraction: 0.079 Figure A.31: NIC2, F216N Throughput