Nikon BDC Reticle Manual De Instrucciones página 10

If your particular firearm setup does not match the drop chart above, have not fear, the BDC reticle (Metric) can and will still work perfectly for you. By using a 2" circle (subtension at 91.44 m (100
yds)) instead of a dot or hash mark, you have multiple aiming points (top, middle and bottom of the circle) to customize the reticle to you specific firearm. The circle allows you to see the target with
obstructing it and still fits well within the body of big game animals out to 548.64 m (600 yds). Should your firearm perform in a manner that is not consistent with the image above, use the technique
mentioned later to maximize your firearms performance and customize the reticle to your particular setup.
The Nikon BDC can be fine-tuned to your requirements by a simple field shooting procedure as follows:
Zero the scope at 91.44 m (100 yds) so that your point of impact is identical to the point of aim. If you are interested in shooting longer then move the point of impact up 5.08 or 7.62 cm (2 or 3 in)
above the point of aim.
Set up a large cardboard target. The target should be at least 0.91 or 1.22 m (3 or 4 ft) tall and 0.61 or 0.91 m (2 or 3 ft) wide. Larger is better since we must catch each shot fired. Place an
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aiming mark at the top of the large piece of cardboard.
Either move your firing position or the target out to the longest range you can consistently place three shots into a 25.4 or 30.48 cm (10 or 12 in). If you have not determined this distance you
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should do so before proceeding.
This will be your maximum lethal range for hunting under reasonable conditions. Use a circle that measures the same as the vital zone on the animal you are likely to hunt. For southern deer this
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would be 25.4 cm (10 in). For the larger northern deer this would be at least 30.48 cm (12 in).
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