Mobotix D15Di-Sec-180 5MP Spezifikationen PDF herunterladen (Seite 21)

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Technical Speciﬁcations

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Five-Megapixel Sensor Lenses

L25 L38 L51 L76 L160

Original image

35mm equivalent 25mm 38mm 51mm 76mm 160mm

Nominal focal length 4mm 6mm 8mm 12mm 25mm

Aperture 2.0 2.0 2.0 2.0 2.5

Horizontal image angle 82° 55° 40° 27° 13°

Vertical image angle 61° 41° 30° 20° 10°

At 1m distance

Image width 1.7 1.0 0.7 0.5 0.2

Image height 1.2 0.7 0.5 0.4 0.2

At 5m distance

Image width 8.7 5.2 3.6 2.4 1.1

Image height 5.9 3.7 2.7 1.8 0.9

At 10m distance

Image width 17.4 10.3 7.2 4.9 2.3

Image height 11.9 7.5 5.4 3.6 1.7

At 20m distance

Image width 34.7 20.6 14.5 9.7 4.6

Image height 23.7 14.9 10.8 7.2 3.4

At 50m distance

Image width 86.8 51.5 36.2 24.3 11.4

Image height 59.3 37.3 27.0 18.0 8.6

Notes

The speciﬁed focal lengths of the MOBOTIX lenses do not reﬂect the actual focal length

of the lenses, but the focal length (Lxxmm) converted to 35mm camera format. For

example, the MOBOTIX L25 Super Wide-Angle lens has an actual focal length of

4mm. This would be the equivalent of 25mm on a 35mm camera. It is therefore

referred to as an L25. Since the image sensors in digital cameras have dierent

sizes, converting the focal lengths to 35mm camera as a known format allows the

image formats and the ﬁelds of vision of the dierent lenses to be calculated and

compared more easily. Another beneﬁt is that you can easily set a 35mm camera

(analog or digital) to the same focal length as the MOBOTIX lens (Lxx) to obtain the

same ﬁeld of vision. This approach greatly facilitates lens selection.

L25 Super Wide-Angle 82°

L38 Wide-Angle 54°

L51 Wide-Angle 39°

L76 Tele 27°

L160 Tele 13°

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Mobotix D15Di-Sec-180 5MP Spezifikationen Seite 21