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High accuracy collimation using CATSEYE collimation tools

This is the basic procedure for obtaining precise collimation using the TELECAT sight tube/Cheshire tool and INFINITY autocollimator. I DO NOT ENDORSE ASA TELESCOPES! In fact, the one I purchased (featured in this sequence) was a bad finacial decision on my part as it exhibited a number of failings and faults including bad astigmatism so after a long wait for its arrival and then much heartache and dissapointment, it was returned. This collimation sequence continues to be made available on my site for the benefit of Newtonian Telescope users World Wide and in recognition of the excellent tools Jim Fly produces.
ASA N12 with CATSEYE collimation tools
ASA N12 with CATSEYE collimation tools
Centering the secondary under focuser
Centering the secondary under focuser
Insert TELECAT Sight Tube/Cheshire
Insert TELECAT Sight Tube/Cheshire
Looking through the TELECAT
Looking through the TELECAT
View through TELECAT after main mirror adjustments
View through TELECAT after main mirror adjustments
Insert INFINITY autocollimator
Insert INFINITY autocollimator
Initial view through INFINITY Autocollimator
Initial view through INFINITY Autocollimator
Make secondary adjustments
Make secondary adjustments
Near perfect collimation
Near perfect collimation
Laser collimator
Laser collimator
Laser in centre of mirror centre spot
Laser in centre of mirror centre spot