Tube lens and skimmer (TSQ Fortis Plus and TSQ Fortis) - TSQ Quantis Plus MS - TSQ Fortis Plus MS - TSQ Series - TSQ Altis MS - TSQ Quantis MS - TSQ Altis Plus MS - TSQ Fortis MS - Tube lens and skimmer (TSQ Fortis Plus and TSQ Fortis) - TSQ Quantis Plus MS - TSQ Fortis Plus MS - TSQ Series - TSQ Altis MS - TSQ Altis MS - TSQ Quantis MS - TSQ Quantis MS - TSQ Altis Plus MS - TSQ Fortis MS

The TSQ Fortis Plus and TSQ Fortis instruments have a Matrix Separator Ion Guide (MSIG), which consists a tube lens and skimmer. Ions from the ion transfer tube pass through the tubes lens and then the skimmer.