push @classic_fields, [ $info->{'NikonD1-ISOSetting'}->[1] . " ISO", 0 ];
} elsif (defined($info->{'ISOSetting'})) {
push @classic_fields, [ $info->{'ISOSetting'} . " ISO" ];
push @classic_fields, [ $info->{'NikonD1-ISOSetting'}->[1] . " ISO", 0 ];
} elsif (defined($info->{'ISOSetting'})) {
push @classic_fields, [ $info->{'ISOSetting'} . " ISO" ];