Évaluations - 3, GPA: 3 ( )

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Then look at the back end of the telescope and locate the alignment screw that is in the direction that the Figure 2b: With the optics properly aligned the view through the rear opening of the telescope will resemble Figure 2b. front of the telescope needs to move. For example, if the view in your telescope resembled Figure 2a, then you would want to move the front opening of the telescope scope to the right. Then the alignment screw you would start with would be the screw on the right as shown in Figure 3. Your actions now depend on whether this alignment screw is a small or large screw. Please note that you will be working to adjust the mirror cell by keeping all the screws not too loose and not too tight. Follow the steps listed below carefully and refer to the figures that accompany them. Figure 3: If the view through Figure 3 the rear opening of the telescope resembled Figure 2a, then the alignment screw you would start with would be this one. The actual first alignment screw you would pick will vary depending on which way the front opening would need to move in order to “fill” the black crescent. Figure 4a Figure 4cFigure 4b Figure 4d Figure 4a Figure 4cFigure 4b Figure 4d Figure 4a: Using the 3mm Figure 4b: Now, with the Allen wrench, turn the large 2mm Allen wrench, turn the screw clockwise a small two adjacent small screws amount, no more than 1/4 of counterclockwise no more a turn. (Note, actual selected than 1/4 turn. alignment screw will vary.) If the alignment screw is a large screw First, using the 3mm Allen wrench, turn the large screw clockwise a small amount, no more than a 1/4 turn. (Figure 4a) Now, with the 2mm Allen wrench turn the two adjacent small screws (Figure 4b) counterclockwise no more than 1/4 turn. Locate the small screw that is 180° opposite the first screw (Figure 4c) and turn it clockwise no more than 1/4 turn. Figure 4c: Turn the small Figure 4d: Turn the two screw that is 180° opposite large screws adjacent to the the first screw clockwise no small screw counterclockwise more than 1/4 turn. no more than 1/4 turn. Turn the two large screws adjacent to the small screw (Figure 4d) counterclockwise no more than 1/4 turn. Repeat the above steps until the front opening is centered in the direction you wanted it to go.You may need to repeat this (or the small screw adjustment process) with other screws in order to align it in other directions. Figure 5a Figure 5cFigure 5b Figure 5d Figure 5a: Using the 2mm Figure 5b: Now, with the Allen wrench, turn the large 3mm Allen wrench turn the screw counterclockwise a small two adjacent large screws amount, no more than 1/4 of a clockwise no more than turn. (Note: Actual selected 1/4 turn. alignment screw will vary.) If the alignment screw is a small screw First, using the 2mm Allen wrench, turn the small screw counterclockwise a small amount, no more than a 1/4 turn. (Figure 5a) Now, with the 3mm Allen wrench, turn the two adjacent large screws (Figure 5b) clockwise no more th...

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