A point to remeber when budgeting for your new scope. You will most probably require a field flattener or reducer/flattener for your imaging with any or all of the refractors mentioned.
I believe there to be a nice Tak FSQ106 for sale in the classified section but this would probably stretch the budget a bit further but no flattener is required with this astrograph. It is basically purpose built for wide field imaging. There is also a WO 132 for sale complete with flattener. Must be shipped from NZ but Gary is quite up to date on this proceedure by now. It is a good price and knowing Gary it will be in excelent condition.
Good luck with your purchase.
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