AmScope SE300 Series User Manual - Page 12

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SE300 Series

1. Once you have placed your sample on the table or base below the objective, center the sample as best as

possible. A slide is neither needed nor required for a stereo microscope, although they can be used if

desired. If using a slide, use the stage clips to hold it in place.

2. With both eyes open, look into the eyepieces. Adjust the interpupillary distance by holding the

eyepiece tubes and rotating the eyepiece tubes either towards or away from each other until only one

circle of light is seen by both eyes.

Center the specimen to be studied under the objective lenses. Use stage clips if necessary.

Choose the appropriate lightings for your application: Top lighting shines down and reflects off

opaque or solid specimens, while bottom lighting shines up through translucent objects. Model SE305

through SE308 are equipped with bottom lighting.

If you are using a darkfield condenser or look at jewels or gems, you should first remove the stage

plate and place the darkfield condenser in the round opening. Attached gem clip to the stage and use it

to center the gem under the objective lenses. Only models with –DK come with these accessories.

1. Adjust the focusing rack by loosening the lock-screw located behind the pillar stand. Move the entire

focusing rack so that the image is roughly in focus, then re-tighten the lock-screw. If your model does not

have a lock-screw, simply move on to the next step.

2. Begin focusing by first looking with one eye through the eyetube without the diopter. Close your other sys.

Bring the image into focus using the focusing knob.

3. Once the image is focused through the first eye, look only through the other eyepiece, turning the diopter

until the image is as clear as through the other side. Open both eyes and adjust the interpupillary distance

until one clear image is seen.

4. As you switch magnification levels, you may also need to re-center the specimen, and/or refocus the image.

1. To change the magnification setting of the objectives, turn the cylindrical objective housing 180 digress until

it clicks into place.

2. To achieve additional magnification levels, switch out the eyepieces. Use a small Phillips head screw driver

to remove the screws on the underside of the eyetubes. Then slide the eyepieces out of the eyetubes, being

careful not to touch the lenses. Replace with other eyepieces and replace the screws.

Operation