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15

SPECIFICATIONS 

1. Length of mechanical tube: 160mm
2. Conjugate distance between object and image: 195mm
3. Condenser: Abbe; numerical aperture: NA1.25 (oil immersion)
4. Illumination: Input 110V or 200V; Output: 20W
5. Fine adjustment range: .002mm
6. Coarse Adjustment Range: 20mm
7. Shift or Mechanical Stage: Longitude - 40mm; Transversal - 70mm
8. Condenser Elevation Range: 15mm
9. Iris diaphragm aperture: 2mm-30mm

Objective Specifications

Classification

Working 

Distance

Magnification

Optical 

System

Numerical

Aperture

Dry

0.1

37.42mm

4x Adjustable

Focus

Dry

0.65

  0.57mm

40x Spring

Adjustable

Focus

Oil

Immer-

sion

1.25

  0.18mm

100x Spring

Adjustable

Focus

Dry

0.25

  7.14mm

10x

Achromatic

Objective

Note: For oil immersion, please use the index of refraction 1.515 oil

Plain Field 

Eyepiece

10x

18mm

Eyepiece Specifications

Classification

Magnification

Field of View (FOV)

Diameter

10x

40x

100x

400x

4x

10x

40x (s)

1000x

100x (oil,s)

Total Magnification

Objective

Magnification

Eyepiece

16

PARTS LIST

OPERATION

1. Remove all components from package. Identify all parts before  

    assembling instrument.

2. Attach 4x, 10x and 40x objectives by screwing into revolving  

    turret. Tighten and secure to maximum finger pressure only.

3. Place the specimen on the stage and secure with spring clips.

    NOTE: The cover glass must face upward (the thinner glass is  

    the cover glass), otherwise when the 40x objective is used the  

    specimen cannot be observed. Observation is best when the   

    thickness of the cover glass is 0.1-1.1mm and the cover glass     

    is 0.17mm.

4. Plug power cord into an electrical outlet. Turn microscope       

    lamp ON.

5. Observe the specimen using the lowest magnification objective  

    first. The 10x objective provides a larger field of view making it  

    easier to search the specimen.

Name

Qty

Microscope Stand

Achromatic 

Objective

4x (parfocal distance adjustable)

1

1
2

1

1

1

1

1

10x Wide Field Eyepiece w/Pointer

Abbe Condenser NA1.25

Plastic Dust Cover

Lens Cleaning Tissue

1

Cedar Oil

1

1A Fuse (spare)

Spare 6V20W Halogen Bulb

Specification

Inspection Certificate

Packing List

1

1

1

10x

1

40x (s) (parfocal distance adjustable)

100x (oil,s) (parfocal distance adjustable)

1

Summary of Contents for AY11240

Page 1: ...ify the customer accordingly BARSKA reserves the right to replace any product which has been discontinued from its product line with a new product of comparable value and function This warranty shall...

Page 2: ...ther 1 2 Dry Weather 1 1 4 After use cover the instrument with the plastic dust cover 5 If instrument is to be stored for an extended period of time remove the eyepiece and oculars and store in a mois...

Page 3: ...parts before assembling 2 Attach 4x 10x and 40x objectives to revolving turret 3 Place the specimen on the stage and secure with spring clips NOTE The cover glass must face upward the thinner glass is...

Page 4: ...stment knob until the image is in sharp focus When using other objectives rotate the fine focus adjustment until the image is in focus Model AY11240 Model AY11238 6 MODEL AY11228 AY11232 MICROSCOPE US...

Page 5: ...TION 1 Remove components from package identify all parts before assembling 2 Tighten the knob on the stand to prevent the elevator from sliding down 3 Fix the binocular body on the stand with the tigh...

Page 6: ...ft eyepiece and bring a specific point into focus using the focus knob b By turning the diopter ring adjustment for the left eyepiece bring the same point into sharp focus c Then bring the same point...

Page 7: ...ATION 1 Remove components from package identify all parts before assembling 2 Tighten the knob on the stand to prevent the elevator from sliding down 3 Fix the binocular body on the stand with the tig...

Page 8: ...both eyes at the same time the diopter ring may need adjustment DIOPTER RING ADJUSTMENT 1 To adjust the eyepiece for viewing with or without eyeglasses and for differences in acuity between the right...

Page 9: ...e 16 PARTS LIST OPERATION 1 Remove all components from package Identify all parts before assembling instrument 2 Attach 4x 10x and 40x objectives by screwing into revolving turret Tighten and secure t...

Page 10: ...wiped off all of the cedar oil OPERATION cont ADJUSTING THE CONDENSER APERTURE 1 The numerical aperture of the condenser should match the numerical aperture of the objective being used 2 To make sure...

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