It doesn’t matter how far off the adjustment is – take it slow. This complicates everything a bit – and it’s why you need to make small adjustments and have tons of patience.įrom there, you need to make small adjustments – roughly 1/8th of a turn at a time. That means your adjustments aren’t going to be going straight up and down – instead, they’ll be going diagonally.

If you have a high-end pair of binoculars, verify the warranty before you start making adjustments.īefore you start haphazardly twisting adjusting screws, there are a few things that you should know. In fact, we’ve heard of some binocular companies honoring these warranties close to 35-years after the date of purchase!įinally, many brands will automatically void your entire warranty if you attempt to adjust the collimation yourself. Second, if you have a decent pair of binoculars, chances are it has a lifetime warranty for collimation adjustments. That means once you start messing with the collimation, it’s more likely that you’ll need to adjust it again in the future. Just because it’s not as hard to adjust your binoculars’ collimation as you think doesn’t mean you should start tearing your binocular apart to fix it right away.īefore you start peeling off any adhesive or twisting any adjusting screws, there are a few things you should watch out for.įirst, the most common way your binoculars collimation gets screwed up is that someone is messing with it. Instead, all you’ll need is a bit of patience and a comprehensive guide like this one to walk you through everything you need to know.īut before you dive in and start adjusting screws, read the next few sections breaking down a few basic precautions and things to look out for before you start making your adjustments. While some so-called “experts” out there recommend extremely complicated repair strategies that require you to use tons of different tools, the truth is that if you know what you’re doing, then re-collimating your binoculars doesn’t need to be this big complex task.

Binocular prism alignment