Add LIN focusing lens mnemonic

src/toolbox_scs/constants.py

@@ -379,6 +379,9 @@ mnemonics = {
     "PP800_FocusLens": ({'source': 'SCS_ILH_LAS/MOTOR/LT_SPARE1',
                          'key': 'actualPosition.value',
                          'dim': None},),
+    "LIN_FocusLens": ({'source': 'SCS_CDIFFT_FDM/MOTOR/FOCUS_2',
+                       'key': 'actualPosition.value',
+                       'dim': None},),
     "FFT_FocusLens": ({'source': 'SCS_CDIFFT_FDM/MOTOR/BARLOW_1',
                        'key': 'actualPosition.value',
                        'dim': None},),