Question about Optics
Don't "unscrew" the binoculars. there are no user servicable parts inside. the collimnation adj screws are beneath the rubber boot just under where your index fingers rest when looking through the bino's. use a jewelers screwdriver to tease the boot up and stick a small nut or something in. then put the binos on a stable surface and play with the screws a bit while watching the images. you can get them pretty close this way.
Posted on Aug 29, 2010
Collimation of any binos is easy once you find whichever mechanism the manufacturer chose; most often with screws on the housing or at the eyepieces, or with concentric rings at the front lenses of the binos.
Only divert the tubes a little making two separate images next to each other, and then make adjustment looking at an object having vertical and horizontal lines. Like for instance a building...
Vertical collimation (for horizontal lines) is critical, horisontally however the eyes can adjust quite a lot, but at a price of fatigue.
On these binos the adjustment screws are likely to be at the prism housing. Carefully pry loose the edges of the rubber coating, they should be within 5 mm or so from the edge. One pair of screws is usually at the top back laterally, one pair close to the front edge more medially.
Posted on Dec 29, 2012
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