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 |
| 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 |
| 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: 142 × 132 mm<br/> Moving range: 75 × 50 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: 110 × 125 mm |
| Optical System | Infinity color correct optical system |
| Viewing Head | 45˚ inclined trinocular viewing head, 360˚ rotatable interpupillary distance 50 to 75 mm, binocular trinocular 100:0 or 0:100 |
| Eyepiece | High eye point wide field plan eyepiece PL10X 22 mm, with adjustable diopter, reticle attachable |
| Objective | Long working distance plan achromatic metallurgical objectives 5X, 10X, 20X, 50X, 100X |
| Viewing Head | Sliding type binocular head, inclined at 45° (5 pcs) |
| Eyepiece | Wide field eyepiece WF10X (10 pcs) |
| Focusing | Coaxial coarse & fine focus adjustment, fine division 0.002 mm |
| Objective | Achromatic objective 4x, 10x, 40x(s), 100x(s,oil) |
| Viewing Head | Sliding type binocular head, inclined at 45° (1 pcs)<br/> Monocular head, inclined at 45º (2 pcs) |
| Eyepiece | Wide field eyepiece WF10X (4 pcs) |
| Focusing | Coaxial coarse & fine focus adjustment, fine division 0.002 mm |
| Objective | Achromatic objective 4x, 10x, 40x(s), 100x(s,oil) |
| Viewing Head | Sliding type binocular head, inclined at 45° (2 pcs) |
| Eyepiece | Wide field eyepiece WF10X (4 pcs) |
| Focusing | Coaxial coarse & fine focus adjustment, fine division 0.002 mm |
| Objective | Achromatic objective 4x, 10x, 40x(s), 100x(s,oil) |
| Viewing head | Trinocular head inclined at 30°, interpupillary distance 48 to 75 mm |
| Eyepiece | High-point, Extra wide field eyepiece EW10X/ 22 mm |
| Objectives | Long working distance (LWD) infinite plan objective: 4X/ 0.1, WD 18 mm<br/> Long working distance (LWD) infinite plan objective: 40X/ 0.6, WD 2.6 mm<br/> Infinite plan phase objective: PH10X/ 0.25, WD 10 mm <br/> Infinite plan phase objective: PH20X/ 0.4, WD 5.1 mm |
| Nosepiece | Backward Quintuple nosepiece |
| Viewing head | Siedentopf type trinouclar head , inclined at 45°, interpupillary distance 52 to 75 mm, diopter adjustment |
| Eyepiece | WF10X/20, high eye-point up to 21 mm<br/> Reticule eyepiece: CROSSWF10X/20, high eye-point up to 21 mm |
| Objectives | Plan Achromatic 10X/0.25 WD=9.67 mm<br/> Plan Achromatic 20X/0.40 WD=7.97 mm<br/> Plan Achromatic 40X/0.60 WD=3.76 mm<br/> Plan achromatic positive phase contrast 20X/0.40 WD=7.97 mm |
| Nosepiece | Quintuple, inward facing |
| Viewing head | Seidentopf binocular viewing head, inclined at 45°, 360° rotation, interpupillary distance adjustable 48 to 75 mm |
| Eyepiece | Wide field eyepiece WF10X/ 22 mm, Eyepiece tube diameter: 30 mm |
| Objectives | Infinite plan achromatic objective |
| Nosepiece | Backward Quintuple nosepiece |