The front objective has some grub screws that align the lenses, given that I had the same issue, it was overcome by trial and error of adjusting them, it's possible ( as mine did) it has a slight pinch and too much pressure. As said I did my own and succeeded in fixing it, of note the tiniest adjustment makes a huge difference.
So if it's the same as mine it's doable...... What have you got too lose ?
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