Polarizing Microscope LPM-A11

Polarizing microscope LPM-A11 offers high definition contrast enhancing image quality in polarized light. It has polarizing 30º inclined siedentopf type trinocular head with adjustable interpupillary distance. It has built in bertrand lens on rotatable discs with centering controls. Polarizing filters are used to obtain polarizing light for the investigation of the optical properties of various specimens.

Viewing Head Polarizing siedentopf trinocular head 30° inclined, eyepiece rotation 360°<br/>Interpupillary adjustable distance 48 to 76 mm<br/>Light distribution 100:1 (100% for eyepiece)
Eyepiece WF10X/20 mm, WF10X/20 mm (reticle 0.1 mm)
Nosepiece Quintuple, center adjustable
Condenser Swing out type N.A. 0.9/0.13 polarizing unit, (with scale, rotable 3600, can be locked)
Objective Non-stress infinite plan objective: 4x, 10x, 20x, 40x(s)<br/> Non-stress infinite LWD plan objective: 50x(s)
Stage Revolving round stage with 360° rotation, center adjustable division 1°, Vernier division 6’
Focusing Coarse stroke 25 mm<br/> Fine stroke per rotation: 0.2 mm, Fine division 2 µm
Collector
Illumination 6V/20 W, Halogen lamp (input voltage 100 to 240 V)
Polarizing unit Analyzer rotable with 360°, module type can be locked, Bertrand lens built in center adjustable
Slip λ, First class red or 1/4 λ
Quartz Wedge (I-IV Class)
Reflecting Polarizing unit Field diaphragm and aperture diaphragm, polarizer, 12 V/50 W halogen lamp (input voltage 100 to 240 V)
Dimension 750×360×450 mm
Net weight 15 kg
Gross Weight 18 kg
  • Quintuple nosepiece with adjustable center
  • Polarizing siedentopf type trinocular head
  • Inbuilt bertrand lens with adjustable center
  • Non-stress infinite plan and LWD plan objective
  • Polarizing filters to make use of polarized light
  • Swing out condenser
Accessories no. Name
1 C- mount 0.57 X focus adjustable
2 C- mount 1.0 X focus adjustable
3 Polarizing attached mechanical stage
4 Filter (Amber, green, neutral)
5 Halogen lamp 6V/30W transmitted illumination

Used in the field of geology for the study of rock and minerals, also finds application in botany, forensic science, medicine, chemistry & metallurgy.

Optical System Finite optical system
Viewing head Trinocular viewing head, 30° inclined
Polarizing Attachment Polarizer: Sliding in/out of optical path, located on the top of collector<br/> Analyzer: Rotatable analyzer with gradation 0°-90°<br/> Bertrand lens: Bertrand lens, sliding in/out of optical path<br/> Optical Compensator: λ Slip (first class red), 1/4λ Slip, Quartz wedge
Eyepiece Eyepiece WF10X/18 with Division eyepiece 10X/18 mm 0.10 mm/div
Viewing Head Siedentopf type binocular head, 30° inclined, eyepiece rotation 360º<br/>Interpupillary adjustable distance 50 to 75 mm
Eyepiece WF10X/20 mm, WF10X/20 mm (reticle 0.1 mm)
Nosepiece Quintuple click stop revolving mechanism with multiple ball bearing
Condenser Swing type N.A. 1.25 with iris diaphragm and filter
Viewing head Trinocular Head Inclined at 30°, Interpupillary distance: 48 to 75 mm
Optical system Infinite Optical System
Light distribution Halogen Lamp 6 V/ 30 W
Eyepiece High-point, Extra Wide Field Eyepiece EW10×/ 22
Viewing head Binocular Viewing Tube, Interpupillary distance 52 to 75 mm, 45°inclined, dioptre adjustable
Optical System Infinite Optical System
Light distribution 6 V 30 W Halogen Lamp House 6 V 30 W Osram Halogen Bulb Electrics for 6 V 30 W Halogen 250V/3.15 A Φ5 × 20 Fuse
Eyepiece WF10X/20 mm Plan Eyepiece, High eye-point up to 21 mm Centering Telescope
Viewing head Siedentopf type trinocular head inclined at 30°, 360° rotation<br/> Interpupillary adjustable distance 50-75 mm<br/> Antifungal system
Eyepiece WF10X/20 mm
Objective Infinite plan objectives (5pcs) 4x, 10x, 20x, 40x(s), 100x(s,oil)
Stage Double layer mechanical stage with removable slide holder: 180×145 mm Travel stage: 76(X)×52(Y) mm with right hand stage handle
Viewing head Siedentopf type binocular head, inclined at 30º, 360ºrotation<br/> Interpupillary adjustable distance 50mm-75mm, Anti-fungal system
Eyepiece WF10X/20 mm
Objective Infinite plan objectives (5pcs) 4x, 10x, 20x, 40x(s), 100x(s,oil)
Stage Double layer mechanical stage with removable slide holder: 180mm×145mm<br/> Travel stage: 76(X)mm×52(Y)mm with right hand stage handle
Viewing head Siedentopf type binocular head inclined at 30º, 360º rotation<br/> Interpupillary adjustable distance 50mm-75mm <br/>Anti-fungal system
Eyepiece WF10X/20 mm
Objective Infinite plan objectives (5pcs) 4x, 10x, 20x, 40x(s), 100x(s,oil)
Stage Double layer mechanical stage with removable slide holder: 180mm×145mm<br/> Travel stage: 76(X)mm×52(Y)mm with right hand stage handle
Optical System Finite Optical System
Viewing Head Binocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm
Magnification 40X to 1600X
Objectives 195 Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Infinity Optical System F=200mm
Viewing Head Trinocular Tube, 30°inclined, Interpupillary distance 52 to 75 mm, trinocular light is split 50/50 by a high quality prism (20/80 is optional)
Eyepiece WF10X/20mm with the high point
Infinity Objective Plan Achromatic 4X/0.10<br/> Plan Achromatic 10X/0.25<br/> Plan Achromatic 40X/0.65<br/> Plan Achromatic 100X/1.25 (S,O)
Optical System Finite Optical System
Viewing Head Binocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm
Magnification 40X to 1600X
Objectives Plan Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Finite Optical System
Viewing head Siedentopf binocular head, inclined at 30°<br/> eyepiece tube rotation 360°
Eyepiece Wide field eyepiece WF 10X / 18 mm
Stage Double layer mechanical stage: 142 × 132 mm<br/> Moving range: 75 × 50 mm
Optical System Finite Optical System
Viewing head Siedentopf binocular head, interpupillary distance range 48 - 75 mm, eyepiece tube rotation 360º
Eyepiece WF 10X / 18 mm
Type of Objective Achromatic objective 4x, 10x, 40x(s), 100x(s,oil)
Optical System Finite Optical System
Viewing head Siedentopf binocular head, inclined at 30°<br/> eyepiece tube rotation 360°
Eyepiece Wide field eyepiece WF 10X / 18 mm
Stage Double layer mechanical stage: 110 × 125 mm
Operation modes Contact mode, friction mode, extended modes of tapping phase, MFM, EFM, scans at random angle
Scan angle Random angle
Maximum scan range X/Y axis: 20 µm, Z axis: 2 µm
Optical system/ Magnification of CCD Magnification: 4x, Resolution: 2.5 µm
Operation modes Contact mode, friction mode, extended modes of tapping phase, MFM, EFM, scan angle 0 to 360°
Scan angle 0 to 360°
Maximum scan range X/Y axis: 50 µm, Z axis: 5 µm
Optical system/ Magnification of CCD Magnification: 10x, Resolution: 1 µm