I would not be concerned if there is a polar scope or not. I offer my system which works very well for me.
Make sure your mount is level small but major point. Some mounts have a bubble (my eq5 has one) but if not get a spirit level for the kit.
The rational is if its level and you get the elevation right next time you errect the mount and level it it should be close for the elevation, point it South as best you can figure. I then point the scope at the pole (with the motors off) and take a time exposue so as to show little star trailed circles in the photo.. from there move correct the mount to get the circles in the centre of your frame. Doing this way often means I dont do a drift and if I do it is very close so there is little drift mucking about. I did it with the 150 ar and a 3x barlow and that was spot on...
Hope this is useful to you
alex
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