If you want to consider photography youll need a triplet (unless you buy a tak or televue doublet-the most expensive)
For visual use in the burbs 5" makes sense, but you're talking 3k, for some photography you mit get away with the north group 127triplet vti have for 1200, get a top focuser for 600 & the pkg comes under 2k
Most of the 5" refract are heavy though, something to think of, the skywatcher 120ed with reducer/flattener is still something to think of, add on good focuser & it's still light for visual use also
Are you buying new or used, Amart will have much more choice, eg tmb130
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