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I have had several largish high end APOs. Including the Tak FS152SV F8 that's linked for sale on Gumtree. Also a TEC180 Fluorite oiled triplet and an AP 140 F7.5.
The most memorable visual experiences were with the FS152 and a 22mm Nagler type 4 eyepiece. That really set the standard.
Its a light scope as well. The TEC180 was close to the limit weight wise. The AP140 was very sharp but I preferred the views from the Tak.
I think the Tak cools down more quickly as well.
Greg.
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