No prob. However if you don't have an equatorial mount I suggest 'focusing' on that first. There is no way a SkyTracker (or any star tracker for that matter) will work well if at all with your lens. I just posted below about mounts and would love your thoughts on what was suggested...
A1. Department Liaison Psychiatry, Prince of Wales Hospital, Sydney, Australia, AU ;spArchives of Women's Mental HealthAustin M-P, Dudley M, Launders C, Dixon C, Macartney-Bourne F (1999) Description and evaluation of a domiciliary perinatal mental health service focusing on early intervention...