The FS series produce wonderful images but not up to the level of a good triplet (but leaps ahead of cheaper triplets). I have seen many great FS and FC images but all show a little blue.
A TSA 102 or 120 is essentially perfect. An AP 130 GT or an APM LZOS or LOMO triplet would be divine.
The Esprits are good...BUT you really need to work on them a little focuser wise. Once adjusted, the stock focuser is really quite good. I have though seen some as good as AP images taken with the 120 and 150 once replaced with an FT.
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