Meade Mini 130 User Manual - Page 28

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Collimation

SECONDARY MIRROR HOLDER ADJUSTMENTS:

Looking at or near the Sun will cause irreversable damage to your eye. Do not point this telescope at or near the Sun. Do not look through the telescope as it is moving.

If the

secondary mirror

(fig. 6, #1) is centered in the

draw

tube

(fig. 6, #2), but the

primary mirror

is only partially visible

in the reflection (fig. 6, #3), one or more of the 3

secondary

mirror collimation screws

need adjusting. First, unthread

each of the secondary mirror collimation screws slightly to the

point of where you can tilt the secondary holder from side-to-

side.

By grasping the secondary holder with your hand, tilt the

secondary mirror holder until you see the primary mirror become

as centered in the reflection of the diagonal mirror as possible.

Once you are at the best position, thread in the 3

secondary

mirror collimation screws

to lock the holder in place. Then,

if necessary, make adjustments to these 3 screws to refine the

tilt-angle of the secondary mirror until the entire primary mirror

can be seen centered within the secondary mirror reflection.

When the secondary mirror is correctly aligned, it will look like

Figure 7.

Figure 6

26

Note: The primary mirror is shown out of alignment.

Meade Mini 130 User Manual - Page 28

Secondary Mirror Holder Adjustments

Page 28 highlights