Nosepiece :
Quadruple revolving ball bearing self
centered nosepiece. Analyser & Bertrand lens provided in
separate slide.
Coarse focussing adjustment.
With built-in Illumniator.
Binocular Head with adjustable interocular distance.
Optional Parts & Attachments:
Compensators :
Mica Quarter Wave and Gypsum Red 1st Order
Plates.
100x oil immersion objective spring loaded.
Quartz wedge Ist to IVth Order
Objectives with Iris diaphragms 15mm dia.
POL-BN-I-CXL :
All mechanical & optical details same as
above but with coaxial coarse & fine motion.