OPTICAL LOUPE ROUPER Coddington HASTING TRIPLET MAGNIFIERS
OPTICAL LOUPE ROUPER Coddington HASTING TRIPLET MAGNIFIERS A. BAUSCH LOMB. I. Coddington The Coddington magnifiers stand next to the Hastings Triplet in performance. Correction in these magnifiers is achieved though the use of a single thick lens with a central groove diagram. This provides a sha