Hello all, most of the binoculars users experience the problem when their binoculars goes out of the collimation due to jerks etc. Now its not a big problem to solve it. You too can collimate your binoculars within a few minutes. I have written this simplified tutorial for making it easier to understand and apply the procedure yourself.
Introduction:
- A binoculars is a pair of refracting telescopes.
- The alignment between these two telescopes is called collimation.
- Collimation can be easily disturbed.
- Collimation can be adjusted easily.
- How?
- A few of the steps defined below and a screw driver.
Pre-Steps:
- Check the collimation in daylight.
- Focus on a far off building.
- After focusing, determine which objective shows image up and which shows it down.
- Determine what side needs collimation and the image needs to be moved where and how much.
- When you are done, you are ready to collimate.
Collimating the Binoculars:
- Find the porro prism set screws.
- Mount the bino on a tripod or a bino mount, or put it on some high stool so you can look through the binoculars as you adjust the screws.
- It also helps to turn the right eyepiece diopter adjustment all the way to one extreme, to make it fuzzy for one eye, while you look at a star. This helps by preventing the eyes from compensating for any small difference in collimation
- Working of screws is very simple.
- Screws move the image.
- Move the right screw clockwise and the image moves downward and to the left.
- Move it counter-clockwise and it goes up and right.
- Similar is the case with left screw.
- Move the left screw clockwise moves the image to the down and right side.
- Moving it in counter-clockwise moves it up and to the left.
- Test it frequently as you drive the screws as to avoid major mis collimation.
- That should do it. Its never a difficult task to collimate a binoculars.
