View Single Post
  #3  
Old 01-06-2020, 07:25 PM
billdan's Avatar
billdan (Bill)
Registered User

billdan is offline
 
Join Date: Mar 2012
Location: Narangba, SE QLD
Posts: 1,538
I guess for daytime checking you would need some sort of target to aim at. Like a grid of some kind bolted to a fence that you can point the scope at.
The image taken of the grid would show tilt if the lines are not parallel.

Like this Sudoku grid but bigger.
Attached Thumbnails
Click for full-size image (blank-sudoku-grid.png)
3.6 KB20 views

Last edited by billdan; 02-06-2020 at 12:42 AM. Reason: grammar
Reply With Quote