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
Sensor type CMOS Sony IMX178 sensor
Camera type Colored
Sensor size 1 / 1.8 inch
Resolution 5.0 MP
Sensor Model 1/2.3 inches CMOS Color
Sensor Dimension 1.67 µm 1re.m 67 µm
Resolution 3840×2748
Scan Method Progressive scan
Spectral Range 380 to 650 nm (with IR-cut Filter)
White Balance ROI White Balance/ Manual Temp Tint Adjustment
Recording System Still Picture and Movie
Cooling System Natural
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
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)
Main body Sharp stereo erect image over a wide field of view <br/> Supplied with arm curved style stand
Viewing head 45° inclined and 360° rotable binocular head with locked-in eyepiece<br/> Left ocular tube with diopter adjustment ±5 dp<br/> Interpupillary distance 55mm-75mm
Eyepiece WF10X
Rotational objective 2x-4x
Main body Sharp stereo erect image over a wide field of view<br/> Supplied with pillar style stand
Viewing head 45° inclined and 360° rotable binocular head with locked-in eyepiece<br/> Left ocular tube with diopter adjustment ±5 dp<br/> Interpupillary distance 55-75 mm
Eyepiece WF10X
Rotational objective 2x-4x
Optical system Parallel zoom optical system
Viewing Head Binocular head, inclined at 20°
Eyepiece Extra wide field EW10X/22 mm
Zoom Stereo Objective 0.8X to 5X
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 Binocular head, inclined at 20º , interpupillary distance 55-75 mm
Eyepiece EW10X/ Ø22 mm
Objectives Plan achromatic objective: 1x<br/> Zoom objectives: 0.8x-8x with 1:10 zoom ratio
Stage working distance: 78 mm
Viewing head Binocular head, inclined at 20° , interpupillary distance 55-75 mm
Eyepiece EW10X/ Ø22 mm
Objectives Plan achromatic objective: 1x<br/> Zoom objectives: 0.8x-5x with 1:6 zoom ratio
Stage working distance: 78 mm
Viewing head Binocular head, inclined at 20º , interpupillary distance 55-75 mm
Eyepiece EW10X/ Ø22 mm
Objectives Plan achromatic objective: 1x<br/> Zoom objectives: 0.8x-6.4x with 1:8 zoom ratio
Stage working distance: 78 mm