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Dry Darkfield Condenser Installation & Operation 
Instruction 

1)  Mounting the dry darkfield condenser 

  Rotate the nosepiece and set the 4x 

objective in position. 

  Loosen and raise the focusing rack stop 

screw to the highest position. 

  Turn the coarse focus knob to raise the 

mechanical stage to the highest position 
without contacting the 4X objective. 

  Turn the condenser control knob to raise the condenser to the highest position. 

  Loosen the condenser lock thumb screw, pull down the condenser and take it 

off, insert the dry darkfield condenser in, and tighten the condenser lock thumb 
screw (See 

Fig. 8

). 

  Re-adjust the condenser height to its normal position. 

  Re-adjust the mechanical stage height to its normal position. 

  Lower the focusing rack stop screw back and use the bolt to lock it when 

needed. 

Note:   

When raising the mechanical stage, do not make contact with the objective. 

2)  Centering the dry darkfield condenser 

  Turn the 4X objective to the light path. 

  Turn the condenser focus knob to lower the 

condenser till a dark spot showed in the 
viewing field as shown in 

Fig. 9

 

(a)

.

 

  Turn the condenser translational centering 

screws to move the dark spot to the center 
as shown 

in 

Fig. 9

 

(b)

3)  Place the slide on the stage. 
4)  Raise the condenser all the way to the top and then lower it a little bit. 
5)  Follow the procedures in this manual to bring the sample on slide in focus and 

observe. 

6)  Move the condenser up or down slightly to get the best darkfield viewing. 

Note

 

  The dry darkfield condenser is used with the dry objectives only. 

  The dry darkfield condenser works with the 4X, 10X, 40X objectives. 

  The dry darkfield condenser does not work with the 100X oil immersion objective.

 

 

     

(a)

                             

  (b)

 

Fig. 9 

Condenser Lock   

Thumb Screw 

Centering Screws 

Condenser Holder 

Fig.8 

Содержание M82ES Series

Страница 1: ...User Manual Binocular Compound Microscope Model M82ES Series MicroscopeNet com...

Страница 2: ...aution 1 ii Care and Maintenance 2 1 Component Illustration 3 2 Installation 4 3 Operation 5 4 Specifications 8 5 Optional Parts 9 6 Troubleshooting Guide 10 7 Dry Darkfield Condenser Installation Ope...

Страница 3: ...t of direct sunlight high temperature or humidity and dusty environments Ensure the microscope is located on a smooth level and firm surface 4 If any specimen solutions or other liquids splash onto th...

Страница 4: ...ng an excessive amount of solvents as this may cause problems with optical coatings or cemented optics or the flowing solvent may pick up grease making cleaning more difficult Oil immersion objectives...

Страница 5: ...5 Objective 18 Power Switch 6 Slide Holder 19 Brightness Intensity Dial 7 Mechanical Stage 20 Immersion Oil 8 Light Collector 21 Dust Cover 9 Microscope Base 22 Condenser Lock Thumb Screw 10 Eyepiece...

Страница 6: ...lled securely 2 2 Installation of the eyepieces 1 Remove the protective caps from the eyepiece tubes 2 Insert the eyepieces into the eyepiece tubes 2 3 Installation of the glass filter 1 Swing out the...

Страница 7: ...ve to touch a specimen slide when changing objectives 3 3 Adjusting interpupillary distance While observing with both eyes hold the left and right eyepiece tubes and slide the tubes in and out The int...

Страница 8: ...iece to seat the observing position between the 40X and 100X objectives as shown in Fig 6 a 2 Place a drop of immersion oil on the slide cover as shown in Fig 6 b 3 Rotate the objective nosepiece to s...

Страница 9: ...adjust the brightness although the brightness will be changed when it s adjusted When aperture is adjusted to smaller size the contrast will be increased and the depth of field will be increased as we...

Страница 10: ...0 17 spring oil Condenser Abbe NA 1 25 w iris diaphragm Rack and pinion adjustment Focus Mechanism Coaxial coarse and fine focusing knobs on both sides with rack stop Mechanical Stage Double layer di...

Страница 11: ...200X 400X 800X 1000X 2000X 5 Optional Parts The optional parts may be included in some models or sold separately 1 Darkfield Condensers Model Darkfield Condenser Numerical Aperture Objective Mounting...

Страница 12: ...sed image No slide cover attached to the slide Attach a 0 17mm slide cover Slide cover is too thick or thin Use a slide cover of the appropriate thickness 0 17mm Slide may be upside down specimen at t...

Страница 13: ...e the bolt to lock it when needed Note When raising the mechanical stage do not make contact with the objective 2 Centering the dry darkfield condenser Turn the 4X objective to the light path Turn the...

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