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| Ballistic Information System BIS™ |
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| Ballistic Information System BIS™ |
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If the alignment distance and the flight path of the bullet are known, the required holdover H can be determined for every distance. The integrated BIS™ ballistic information system performs this task in a fraction of a second.
The right program as the basis for the ballistic calculation is selected in 3 steps:
- Which measuring unit is used?
“Meters” or “yards” are available.
- To which distance has the weapon been aligned?
Available: 100 m or GEE (most favorable zeroing range) if meters were selected as the measuring unit, or 100 yd and 200 yd if measurement is made in yards.
- Which of the available ballistic curves corresponds to the flight path of my bullet?
Compare your ammunition with the database to make the right choice.
BIS ballistic programs
All curves for selection of the right program.
The relevant program (e.g. EU 3) can be entered easily and quickly via the SET button.
After each measurement, the correct holdover is immediately shown in the image field after the display of the distance.
For example, H32 means: aim 32 cm higher.
If yards were selected as the measuring unit, the holdover is automatically displayed in inches.
Please note:
The ballistic information system merely helps to support and increase reliability and does not replace your own assessment and experience as a hunter. We would recommend you to make some trial shots to verify compliance of the data with the actual impact points. Deviations can be caused, for example, by different mounting heights and barrel lengths of the riflescopes or by the weather, and must be taken into consideration accordingly.
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| Products |
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| Carl Zeiss products with integrated BIS:
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| ZEISS Ballistic Calkulator |
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| Search your used load from the detailed ammunition database. This automatically determines the program for the Ballistic Information System BIS™ to be set for your Victory RF or Victory PRF and graphically displays the bullet flight path. |
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