Collimation of a fast Newton, F<5, telescope can be very demanding. It requires exact collimation to get round star images. The ASA 10” and 12" astrograph have F 3.6 and fall into this category. 

The equipment we used to collimate is show below.

Howi glatter laser collimator (left) and the Tublug (right)

Cateye Infinity XL collimator