Having had both i can offer this observation. The Baader is by far easier to use and setup than the GSO. The Baader, as it is well known, is designed to work at perfect distance to DSLR sensors (55mm). The GSO is heavier and requires spacing setup. I had bought the GSO first but sold it and bought the Baader MPCC. I still have the Baader and use it constantly for imaging. Is it worth the extra cost, imho yes, but for people more cost sensitive they might be willing to make the GSO work for them.
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