Gabatar da Welch-Alynd 01200 4.65v 12w 2.58A 05a yana ba da izinin fitila na harben Halogen, cikakkiyar kwan fitila don OPHThalsooscope. An tsara don samar da ingantaccen haske a cikin gwaje-gwajen ido, wannan fitilar dabarar ta tabbatar da bayyane kuma tabbataccen sakamako a kowane lokaci.
An tsara kwanuka na Welch-Allyn 01200 don amfani tare da OPHThoscopes na Ophthalmoscopes, yana sa shi mai mahimmanci kayan haɗi don kowane masani na kulawa da ido. Tare da ƙarfi 12w fitarwa da 2.58a na yanzu, wannan kwan fitila yana ba da tushen hasken haske mai haske wanda ya zama dole don yin gwaje-gwaje na ido sosai. Yana aiki ne a lokacin ƙarfin lantarki na 4.65v, tabbatar da ingantaccen amfani da makamashi yayin isar da aiki mai kyau.