SVBONY Deluxe II Manual De Instrucciones página 4

Appendix A: Marking the Primary Mirror
To achieve the best accuracy when collimating with the Deluxe II, your scope's prim-
ary mirror should be precisely center marked. If your mirror was not center-marked
at the factory, you can do it yourself with one of the supplied collimation targets.
This will not affect the telescope's performance at all. To accurately locate and mark
the mirror's center point, you must first make a paper template.
First, remove the primary mirror from your telescope. If you are unsure how to do
this, consult your telescope's instruction manual. If the primary mirror is glued into
its cell, it is not necessary to remove it from the cell. Handle the mirror by its edges
only, and be careful not to touch the surface with your fingers.
Get a clean sheet of paper that is big enough to cover the mirror's entire surface.
For large-diameter mirrors, you may need to tape several sheets of paper together.
Lay the primary mirror on the paper and trace its outline with a pencil (Figure 7).
Next, cut out the circle you have just traced with a pair of scissors. Fold the paper
circle into quarters by folding the circle precisely in half, and then folding it in half
again (Figure7b and c). Now, cut about 1/4 inch off the tip of the paper wedge you
have created (Figure 7d).
Unfold the paper, and you will find that you have a paper template of your mirror
with a hole at the center.
Make sure the template is still clean, place the paper template over the surface of
the primary mirror. Carefully register the template edge with the edge of the mirror
(Figure 7e). Now, take one of the supplied adhensive collimation targets and affix it
to the center of the mirror's surface through the hole of the paper template (Figure
7f). The center of the primary mirror is now marked, as in Figure 2, and you can
reinstall the primary mirror in the telescope.
Note: For mirror cells that use mirror clips to secure the primary mirror in place,it is
important not to overtighten the mirror clips. For reflector telescopes, tighten
the mirror clip anchor screws until just snug, and then clip anchor screws until
just snug, and then back off each screw by 1/2 turn. Overtightened mirror clips
will put stress on the primary mirror's figure. and will introduce astigmatism
into the optical system as a result.
Appendix B: Centering the Secondary Mirror Under the
Focuser
Centering the secondary mirror under the focuser is an adjustment that can be
made with aid of the Deluxe II, but it requires marking the center of the secondary
mirror in the same way the center of the primary mirror was marked. This is generally
undesirable due to the large area of the supplied collimation targets compared to
the total area of the secondary mirror. Since centering the secondary mirror under
the focuser is an adjustment that very rarely. if ever, needs to be done, we recomm-
end simply making this adjustment by eye. Check the collimation instructions in your
telescope's manual for the procedure to do this.
However, if you wish to use the Deluxe II for centering the secondary mirror under
the focuser, read on. First, you must mark the center of the secondary mirror. Do
this by first removing the secondary mirror from the telescope and making a paper
template the same way you made a template for the primary mirror. Then use the
template and one of the remaining collimation targets to mark the secondary mirror's
center. Reinstal l the secondary mirror once it has been marked.
Next, place the Deluxe II into the telescope's focuser and turn it on. Now, peer into
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the optical tube and look at the primary mirror. Notice the reflection of the secondary
mirror on the primary mirror, you will see a bright red spot on the secondary mirror
where the laser beam is reflecting off it. The red spot should be exactly at the center
of the collimation target on the secondary mirror. If it is not,you wi l l need to make
adjustments to the secondary mirror's position until it is. For adjustments perpendi-
cular to the optical axis, lengthen and shorten the spider vanes. For adjustments
parallel to the optical axis, loosen or tighten the center screw of the spider hub. You
may also need to adjust the rotation of the secondary mirror relative to focuser.
Specifications
Laser power: < 5mW
Laser wavelength: 635-655nm
Alignment: +3 arcmin
Barrel size: 1.25", fits 2" eyepiece holders with optional 2"-to-1.25" adapter
Housing: aluminum,black anodized
Dimensions: 4" long*1.5" diameter(widest)
Weight: 5.4 oz
Batteries: One CR2032 3V lithium
Certification: meets al l FDA regulations appl icable at the time of manufacture
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