Andonstar 249 User Manual - Page 8

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（Pic 5 Use lens A to see a coin）

Steps：In pic 5 it marked out which parts of the microscope are involved to each step.

①Install and fix lens A to the bottom of the focusing tube.

②Place the black or white backdrop board to the loophole on the stage, then place the coin on the

stage.

③Bend the two goose-neck spot lights, make sure the light shines on the coin.

④ Loose the arm locker, located the whole monitor part to a desire height, meanwhile adjust the

height of the mechanical stage, make sure the final object distance is within 12mm to 320 mm. The

shorter the object distance is, the bigger magnification is.

⑤ Turn the focusing tube to get a clear image. Turn it clockwise to zoom in and the other way to

zoom out.

*In order to observe part of the coin, please lower the arm height to shorten the object distance,

then turn the focusing tube, get a clear image.

*Steps above can also be applied to observe plants, stones etc.