I don't factor cosmetics into my appraisal of optical tools. Build construction - like retaining-rings, threads, etc. - are what I look for. I, personally, knew it was a 're-badging' of a GSO. But it always amazes me at how most people don't. So it's always good to point out - alongside and explanation of what 're-badge' means. These fora*, after all is said & done, are designed to educate the readers (Hi, readers!). * 'fora' is seldom-heard way of saying 'forums' in a plural-tense.