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Hi, Fox here. Whilst I cannot really comment about PEC vs. Autoguiding for AP, I can make some general comments about the LXD75 which I have had now for 9 months. As a mount for casual observing and Goto, I have found it very good, with reservation. Some of the construction, whilst apparently an improvement over the LXD55, is still quite crude. I've done the entire Hypertuning thing now (that's another story), and IMHO perhaps the weakest link in the LXD75 is how crudely the motors (with plastic housing which makes them quite noisy) screw onto the mount and couple with the worm gears - they attach with a single bolt and have no fine adjustment ability. The worms themselves and how the worms mesh with the RA/Dec gears, have fine adjustment ability - but how the motors couple with the worms is substandard. I could go very in depth about the mounts internals, but that's best for another forum.
On the flip side, as I said, the LXD75 suits and serves me very well for my Genesis for casual observing, and it's relatively light compared to some more serious mounts. I give the LXD75 credit for having a real role in getting me back into the hobby after a very long break. On another board, someone said to me that I would outgrow the LXD75 in 6 months - I'd probably agree with that thought, and sooner or later I can see myself upgrading to a higher level mount. Cheers, Fox.
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