Man pages matching name naco_spc_lampflat in section 7:

naco_spc_lampflat.7.en	debian 10 / cpl-plugin-naco-doc
naco_spc_lampflat.7.en	debian 11 / cpl-plugin-naco-doc
naco_spc_lampflat.7.en	debian 12 / cpl-plugin-naco-doc