Optical ComparatorsJanuary 2, 2018 Starrett Optical Comparator Model Specifications and Options -Listing Starrett Model Specifications and Options Related posts TOV2 Optical Comparator Telecentric Video…OV2™ Optical Comparator Video AdapterHF750 Horizontal Floor StandingHF600VF600VB400VB300HD400HE400HB400