Re: [APML] needed- an excellent sense of direction

["Bobby Middleton" <bobm@koyote.com>]

I've done this also, but it makes seeing the reflection coming back from the
primary difficult.
Bobby M

----- Original Message -----
From: Herm <hermperez@worldnet.att.net>

> I modified my astrosystems laser collimator to improve my pictures.. all I
did
> was to reduce the laser dot size to a pinhole.. literally a pinhole.. I
placed
> some aluminum duct tape over the laser, painted it flat black and then
> perforated right over the laser diode with a pin.. the resulting small dot
> improved my collimation tremendously, no more elongated stars in the
corners..
>
> Aplanatic@aol.com  wrote:
>
> >If you do have a focal plane alignment problem, it's likely caused by the
laser collimator itself.
>
> Herm
> Astropics http://home.att.net/~hermperez
>
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