Are you looking to sell or upgrade your collimator to hologram type? I can help you cash out of your current unit.
I am looking for a laser collimator that offers the feature of viewing the return dot from the rear of the scope. Examples are the Orion Lasermate Deluxe or EZCollimator.
Let me know what you have and what you want for it, hoping to have one by this weekend, I can Paypal immediately if you can ship quickly.
Thanks for looking.