I found that for visual the Tak is really versatile especially with the extender q module( FS60Q). A very good grab and go with mount or tripod and a pleasure to view through.
With the Q module you get a very flat field, not so with the native FL so you would need the flattner as well if you plan to image.
So you could consider getting the basic ota then adding the q later when budget allows or when one comes up on classifieds but depends on what you will use the scope for.
The takettes rack up the cost though so check what you are in for based in purpose.
Can't comment on the others
Cheers
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