Yes, the BT252 has gone up in price. Mostly because it has a new 'brake' system on it (apart from fluctuations in the dollar). It's the part that 'balances' the scope in the Altitude direction (up-down). The prices referred to in most of the older threads will be referring to the old scope that had a brake system that used springs to create friction on the Altitude bearings. The new system has knobs that you can tighten up so the scope doesn't become unbalanced if you put heavy eye pieces in it.
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