STEINDORFF NYMC38000 Manuel utilisateur

STEINDORFF®

NYMC38000

Polarizing Microscope

In order to exert performance of this microscope and to ensure the safety, please read the operating instruction

carefully before use.

STEINDORFF®

I. APPLICATION:

NYMC38000 series polarizing microscope is one of the most widely used special experiment instruments by

geology, mineral, metallurgy, institution, university and so on correlative department. In recent year, along

with the development of optical technique, polarizing microscope ,as optical instrument, whose the range of

application is also broad more and more.

The NYMC38000 series polarizing microscope is the extra suitable product, for the user to make the single

polarized light observation, the orthogonal polarized light and cone light observation and micrography. It is

collocated gypsum (λ), mica (1/4λ) sample, quartz wedge, attachable mechanical stage and other attachment. It

is a set of new product that has maturity function and good quality.

II. CONFIGURATION:

Eyepiece

Binocular head

Bertrand lens

Fixing bolt for

binocular head

Transmission adapter

Adjustable graduation

ring for analyzer

Analyzer adjusting rod

Nosepiece

Screw for adjusting

objective center

Condenser

Screw for adjusting

condenser center

Adjustable graduation

ring for polarizer

Removable holder of

compensation lens

Collector

Fine focusing knob

Objective

Attachable mechanical

stage

Rotatable mechanical

stage

Power switch

Brightness adjusting

knob

Tension adjusting

ring

Coarse focusing

knob

STEINDORFF®

Eyepiece

Bertrand lens

Transmission adapter

Trinocular head

Fixing bolt for

trinocular head

Analyzer adjusting rod

Nosepiece

Screw for adjusting

objective center

Condenser

Screw for adjusting

condenser center

Adjustable graduation

ring for polarizer

Collector

Rotatable mechanical

stage

Removable holder of

compensation lens

Fine focusing knob

Objective

Attachable mechanical

stage

Power switch

Brightness adjusting

knob

Tension adjusting

ring

Coarse focusing

knob

Adjustable graduation

ring for analyzer

STEINDORFF®

III. SPECIFICATION:

1. Mechanical tube length: 160mm

2. Objective

Strain free achromatic objective

Magnification

Numerical aperture (N.A.)

Thickness of the cover slip (mm)

4×

0.10

0.17

10×

0.25

0.17

25×

0.40

0.17

40×(S)

0.65

0.17

63×(S)

0.85

0.17

3. Eyepiece

Type

Magnification

Vision field’s diameter (mm)

Wide field eyepiece

10×

Gridding eyepiece

10×

Cross eyepiece

10×

Graduation eyepiece

10×

4. Total magnification

Total Objective

magnification

Eyepiece

4×

10×

25×

40×

63×

10×

40×

100×

250×

400×

630×

5. Adjustable center quadruple nosepiece.

6. Rotatable mechanical stage, diameter 160mm, 360°part scale and cursor precision 6’.

7. Focusing: Coaxial coarse＆fine focusing adjustment with rack and pinion mechanism, fine focusing

scale value is 0.002mm.

8. Illumination: Halogen bulb 12V/30W AC 85V-230V adjustable brightness.

9. Viewing head: Sliding binocular or trinocular head, inclined at 45°.

10. Blue filter

11. Complementary color equipment: gypsum (λ), mica (1/4λ) sample, quartz wedge.

12. Attachable mechanical stage: moving range is 30mm×40mm.

13. Condenser: Swing type N.A 1.30 Abbe condenser with iris diaphragm.

STEINDORFF®

14. Optional accessory:

（1）Eyepiece: WF16×, WF20×, P16×and 1.3or 3.0 mega pixels CMOS electronic eyepiece.

（2）Strain free achromatic objective: 100× (S) Oil.

（3）Stain free semi-plan achromatic objective: 4×, 10×, 25× (S), 40×, 63× (S), 100× (S) Oil.

（4）Strain free plan achromatic objective: 4×, 10×, 25× (S), 40×, 63× (S), 100× (S) Oil.

（5）Photo and CCD attachment.

IV. THE COMPLETE SET OF THE INSTRUMENT:

Number

Content

Quantity

Remark

NYMC38000 polarizing microscope

1pc

Strain free achromatic objective

4×/0.10

1each

10×/0.25

1each

25×/0.40

1each

40×(S) /0.65

1each

63×(S) /0.85

1each

Eyepiece

10× Wide field eyepiece

2 each

10×Cross eyepiece

1each

10× Graduation eyepiece

1each

10× Gridding eyepiece

1each

Gypsum 1λsample

1each

Mica 1/4λsample

1each

Quartz wedge sample

1each

0.01 Micrometer

1 pc

Blue filter

1each

Attachable mechanical stage

1pc

Binocular or trinocular head

1pc

Adjusting rod

2 pc

Transmission adapter

1 pc

Spare bulb

2 pc

Operating instruction

1book

Certificate of quality

1sheet

Dust cover

1each

STEINDORFF®

V. INSTALLATON:

1. Working environment:

1) Indoor temperature: 0℃~40℃, the maximum relative humidity: 85%.

2) The microscope will be mildewed or damaged in the environment of high temperature

and damp surrounding.

3) Don’t put microscope in the dusty environment. Please cover it with ethene plastic bag,

when it is not in use.

4) Please put microscope in the plate place.

2. Transmission adapter:

Put the transmission adapter on microscope, when screw is connect with orientation slot of the

adapter, tighten the fixing screw with finger.

3. Binocular or trinocular head:

Put the binocular or trinocular head onto the transmission adapter and tighten with the fixing

screw with finger.

4. Eyepiece:

Insert eyepiece into the viewing tube.

5. Objective:

Make the mechanical stage down in order to install the objectives into the nosepiece from the

lowest magnification to the highest in the clockwise direction, please must be install them tightly

in place.

6. Condenser:

Make sure the oriented screw of the condenser holder is in the proper place.

7. Complementary color equipment:

Insert complementary color equipment into the proper place in need.

8. Filter:

It must be put on illuminator according to the user’s needs.

9. Attachable mechanical stage:

Put attachable mechanical stage on the rotatable mechanical stage.

10. Adjusting rod:

It is used to adjust center of the objective.

STEINDORFF®

VI. OPERATION:

1. Illumination:

Turn on the power switch; adjust the brightness adjusting knob slowly to the desired level. In

commonly instance, don’t let it reach the lightest state, otherwise, that shorten the life of the bulb.

2. Focusing:

Begin observation of your specimen with the 4× Objective. Turn the coarse focusing knob until a

clear image is obtained, then use the fine focusing knob to enhance the observation of the

specimen to its clearest image. When the desired view is obtained under the lowest power (4×),

rotate the nosepiece to the next higher magnification (10×). The nosepiece should “click” into

position. You can obtain clear image with a little fine adjustment.

It is important to remember when adjusting the focus that the objective should never touch the

specimen. When increasing to 100× magnification, the objective will appear to be very close to

the slide. Because the 100× is an oil immersion objective, a drop of cedar-wood oil or other

immersion oil should be applied in the gap between the objective and the specimen. (Note: All

slides should be prepared with cover slips over the specimen for observation under the 100×

objective.) The 100 × oil immersion objectives should be wiped off with a piece of soft clean

cloth or lens tissue to remove the immersion oil immediately after using.

3. The center of objective superposition with the rotatable mechanical stage:

When the sample is clear enough, find a clear object and let

it coincide with the point of cross. Turning mechanical stage,

if axes of objective don’t coincide with the center of

mechanical stage, the point of object will circumrotate

around “S”. The track is circle, and adjust center of objective

to let “O1” move to “S” to see if they coincide or not. If not,

please adjust them.

4. Adjusting Abbe condenser:

1) The Abbe condenser can be moved up or down by

turning condenser focusing knob. When using high power objectives, better to making

the condenser up and whereas making the condenser down. Iris diaphragm should be

adjusted according to objective’s numerical aperture, in order to obtain better effect.

2) Take off the eyepiece to observe the center of aperture diaphragm on the condenser

overlay with center of objective's aperture. If both is away, may be adjusted the

condenser center adjusting screw until both is superposition.

STEINDORFF®

5. Orthogonal polarized observation:

Because the polarizer is located in the light path, this time is single polarized light state after

focusing. Slide the analyzer into the light path, to adjust the analyzer adjusting rob on the

“0”position, also the polarizer is located on the“0”position, this time is orthogonal polarized light

state (polarized direction of the polarizer is at west-east, polarized direction of the analyzer is at

north-south).

When using 10×objective or lower. Please remove compensation lens, and adjust condenser to

proper place; when using 20 × objectives or higher, please push compensation lens to the previous

position and lift the condenser to the highest position.

Insert gypsum (λ), mica (1/4λ) sample, quartz wedge into complementary inlet according to your

need in order to test pixel.

6. Observation of cone light:

Observation of cone light is use 20× or higher objectives, push the Bertrand lens and

compensation lens into the light path, adjusting center of the Bertrand lens, to observe the cone

light characteristic of the sample.

VII. MAINTENANCE:

1. If there is any dirt settled on the lens, wipe it off gently with some lens paper. If alcohol is used, be

careful not to let it penetrate through the lenses and dissolve the gumming. Any dust settled on the

lenses can be blown away with an air blower or wiped off with a clean soft camel hair brush.

2. In cleaning mechanical parts and applying non-corrosive lubricant, take special care not to touch

the optical elements, especially the objective lenses.

3. Avoid high temperature.

4. Put objectives and eyepieces into box after using, and keep them in a cool, shady and dry place,

free from dust, fumes and moisture. If not stored in its box, cover with a hood to protect from

dust.

5. Like other optical instruments, the microscope should be kept out of direct sunlight in a cool, dry

place, free from dust, fumes and moisture. It should be stored in a case or covered with a hood to

protect it from dust.

6. The microscope has been carefully tested and inspected.

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