› Forums › Spectroscopy › More Lhires III mods › Alun,
12 May 2018 at 7:04 pm
#579465
![](https://britastro.org/wp-content/uploads/2017/01/picture-5979-1485519744-80x80.jpg)
Participant
Alun,
I have checked the collimator mounting screws all good, but the double line is still present.
I will adjust the collimator lens screws as tight as possible, so that it just rotates and see if that cures it.
Regards,
Jack
Essex UK