camera.brand	camera.exposure_time	camera.exposure_time_unit	camera.fnumber	camera.focal_length	camera.focal_length_unit	camera.iso_speed_ratings	camera.lens_model	camera.model	citation	data_url	date_time_start	depth	depth_type	device	event	event.comment	event_alias	expedition	general.file_size	general.file_size_unit	general.format	general.name	geometry	hidden.media_type	hidden.url_download_file	hidden.url_photo.src	hidden.url_photo.srcset	image.bit_depth	image.chroma_subsampling	image.color_space	image.compression_mode	image.height	image.height_unit	image.width	image.width_unit	license	metadata_url	platform	references.pi_email	references.pi_name	references.pi_orcid	sensor_uri	sop_url