PHASE CONTREST AND DERK FIELD ATTACHMENTS
This attachment is useful for viewing the detailed structures of unstained or living contrast equipment to convert equipment to convert small differences in thickness and Refractive index of the specimen into differences in brightness.
The set consist of phase turret Condenser N.A. 1.25 with iris diaphragm.
Phase achromatic objectives, 45mm par focal distance 10x (N.A. 0.025) 20x (N.A. 0.40) , 40x (0.65) Spring loaded, 100x (N.A. 1.25 ) Spring loaded, Oil immersion Phase centering telescope, Green filter & Turret condenser key.
