Farpoint Collimator

[I.C.D]

Just got myself a new Farpoint collimator and in the instruction they say to put the scope at 45 degrees ,is their reason why
Ian

[sunslayr]

I think it has to do with the way the optical train sags, 45 degrees is in the middle; most being horizontal and least being vertical.

[I.C.D]

Thanks David that makes since I will give it a go