RPL-3 Series

Polarizing microscopes are principal piece of equipment used by the geologists to observe the optical properties of minerals.

Stage	Compact ball-bearing centerable rotating stage, 140mm. diameter, graduated with vernier, lock & stage specimen clips
Focussing	By vertical movement of stage, coarse adjustment by rack-pinion knobs & fine movement by screw-lever mechanism
Illuminator	Koehler's illuminator with pre-centred 20W tungsten halogen source and integral electric transformer
Intermediate Tube	Built-in focussable Bertrand lens with center adjustable. Built-in analyzer removable from optical path.
Compensator	λ-Gypsum Plate (1st order red compensating plate, 560 nanometers) and λ/4-Mica Plate (145 nanometers)
Objectives	Semi-plan Flat Achromatic DIN Objectives P-4x/0.10, P-10x/0.25 and P-40x/0.65 SL
Eyepieces	Widefield Eyepieces WF-10x (Paired) and WF 10x with Cross
Polarizer	Fully rotatable swing-out Polarizer and abbe-condenser N.A.1.25 with iris-diaphragm

Model	RPL-3	RPL-3B	RPL-3T
Optional Accessories	Objectives P-20x and P-60x, micrometer eyepiece, microphotographic equipment, wooden cabinet, and mechanical stage options