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NP-107M Technical specification

　Viewing Head

　Monocular head inclined at 45°

　Eyepiece

　Eyepiece WF10X/18 with scale of crosshair

　Objective

　Strain free achromatic objective 4X、10X、40X

　Nosepiece

　Toward quadruple nosepiece

　Analyzer

　 Rotatable analyzer with graduation 0°-90°

　Bertrand Lens

　Bertrand lens, Sliding in/ out of optical path

　Optical Compensator

　λSlip (First class red)

　1/4λSlip

　Quartz wedge

　Revolving Round Stage

　Diameterφ135mm, 360°Rotatable and graduate in 1°Increments, Minimum resolution 6′when using venire scale, Center adjustable

　Condenser

　Abbe Condenser NA1.25 with lris diaphragm & filter

　Focusing

　Coaxial coarse & fine adjustment , range 28mm, fine division 0.002

　Polarizer

　Sliding in/out of optical path，Located on the top of collector

　Illumination

　6V/20W Halogen lamp, Brightness adjustable

NP-107B　Infinite optical system

　Viewing Head

　Sliding binocular head inclined at 45°

　Eyepiece

　Eyepiece WF10X/18 with scale of crosshair

　WF10X/18

　Objective

　Strain free achromatic objective 4X、10X、40X

　Nosepiece

　Toward quadruple nosepiece

　Analyzer

　 Rotatable analyzer with graduation 0°-90°

　Bertrand Lens

　Bertrand lens, Sliding in/ out of optical path

　Optical Compensator

　λSlip (First class red)

　1/4λSlip

　Quartz wedge

　Revolving Round Stage

　Diameterφ135mm, 360°Rotatable and graduate in 1°Increments, Minimum resolution 6′when using venire scale, Center adjustable

　Condenser

　Abbe Condenser NA1.25 with lris diaphragm & filter

　Focusing

　Coaxial coarse & fine adjustment , range 28mm, fine division 0.002

　Polarizer

　Sliding in/out of optical path，Located on the top of collector

　Illumination

　6V/20W Halogen lamp, Brightness adjustable

NP-107T 　Infinite optical system

　Viewing Head

　Sliding trinocular head inclined at 45°

　Eyepiece

　Eyepiece WF10X/18 with scale of crosshair

　WF10X/18

　Objective

　Strain free achromatic objective 4X、10X、40X

　Nosepiece

　Toward quadruple nosepiece

　Analyzer

　 Rotatable analyzer with graduation 0°-90°

　Bertrand Lens

　Bertrand lens, Sliding in/ out of optical path

　Optical Compensator

　λSlip (First class red)

　1/4λSlip

　Quartz wedge

　Revolving Round Stage

　Diameterφ135mm, 360°Rotatable and graduate in 1°Increments, Minimum resolution 6′when using venire scale, Center adjustable

　Condenser

　Abbe Condenser NA1.25 with lris diaphragm & filter

　Focusing

　Coaxial coarse & fine adjustment , range 28mm, fine division 0.002

　Polarizer

　Sliding in/out of optical path，Located on the top of collector

　Illumination

　6V/20W Halogen lamp, Brightness adjustable