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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > binocular reticle
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Topic Review (Newest First)
01-05-2004 05:06 AM
binocular reticle

Thank you.
12-30-2003 02:15 PM
binocular reticle

Sailorman: To use the range reticle in your binoculars you have to know its Constant, ie., "K" factor. The formula is: Distance = K x (Object Dimension/Reticle Reading), or, K = Dist. x RR/OD. Try this: Place two small objects 2-feet apart then move away 100-feet. Sight through the binoculars and note how many reticle spaces fit between the two objects, say four for example. "K" would equal 100 x 4 / 2 = 200. Now to determine other distances, just divide 200 by the Reticle Reading and multiply the result by the known Object Dimension. Regards, George
12-30-2003 07:53 AM
binocular reticle

Can anyone help me learn to use the range reticle in my binoculars? I cannot find any instructional information on the web or in any of my printed material.



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