Finderscope Trouble

[maguro77]

Hi all

I have a RACI (Smart astronomy) fitted onto my Megrez 90. When i first got it, it was a breeze to use. I find a nice star in my Megrez, look into the finderscope and turn the two thumbscrews to align the crosshair. Easy.

But increasingly, i am finding it more difficult to use the thumbscrews to align the crosshairs. Its like the star is in the upper right corner of finderscope. But i have turned the thumbscrews to the max and i cant get the star to 'move' closer to the cross hair.

I took the finderscope out of the bracket and tried to push it around to get the star closer to the centre but cannot leh. I havent dropped the finderscope at all. what am i doing not right?

[acc]

The maguro the thumbscrews are fine for final adjustments but when they run out of travel, it often means that the finderscope mount's alignment is out. Try adjusting the mount to be parrallel to ur OTA and try again.

[maguro77]

Thanks acc, i realign the finderscope properly to the OTA - now the thumbscrews as you said - worked just fine with still enough travel. My mistake was I kept thinking that there was something wrong with the finderscope. I didnt realise the thumbscrews were for fine adjustment and what matters most is the alignment with the OTA. Joyce