2" target (only) 4 Laser Collimator, 4 quick accurate setup of telescope mirrors

Description

2" Reflective Target for use with
your Laser Collimator
(this auction does not come with the Laser  Collimator
)
see last pic... IT WORKS using a flashlight
for quick accurate setup of telescope mirrors & optics
If you are Collimating a larger reflector telescope with easy access to the back of the focus tube... this will make the task quick and accurate.
. With this target design, it is easy to see where the return beam strikes at the back side of the focus assy...
Designed for larger telescopes with a 2" eyepiece... this reflective return target (made of foam rubber, with 3M reflective front surface )
see pic 8
-Laser-Collimator-with-Pattern-for-quick-accurate-setup-of-mirrors-optics-/00/s/MTI3OFgxNjAw/z/zvcAAOxyY7FRCGcR/$T2eC16dHJHIE9nysfBZFBRCGcRYCiw~~60_57.JPG" clk="10" index="10">
(return  image on reflective target... prior to alignment)
see pic 7
(
return foam target
(note: columnator not provided with this offer))
is to be placed on the inside of the eyepiece tube to easily align the return beam with the center axis of the eyepiece.  If you are using a columnator with pattern or a barloed tm. columnator.  the shadow of the main mirror center target will be visible on the target for ease of adjustment.
(Because this reflective target is on the inside surface of the main tube (not way back on the laser at the back of the focuser tube) it is easily viewed )
See my other astronomy Items on eBay