Mobotix MX-D25M-SEC-D76 Especificaciones descargar pdf (Pagina 25)

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Technical Speciﬁcations

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Lens Table L25 L38 L51 L76 L160

Original image

35mm equivalent focal

length

25 mm

(0.98 in)

38 mm

(1.50 in)

51 mm

(2.01 in)

76 mm

(2.99 in)

160 mm

(6.30in)

Actual focal length

4 mm

(0.16in)

6 mm

(0.24in)

8 mm

(0.31in)

12 mm

(0.47in)

25 mm

(0.98in)

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°

Distance 1 m (1.09yd)

Image width 1,7 1.0 0,7 0.5 0.2

Image height 1.2 0.7 0.5 0.4 0.2

Distance 5 m (5.47yd)

Image width 8.7 5.2 3.6 2.4 1.1

Image height 5.9 3.7 2.7. 1.8 0.9

Distance 10 m (10.94yd) m m m m m

Image width 17.4 10.3 7.2 4.9 2.3

Image height 11.9 7.5 5.4 3.6 1.7

Distance 20 m (21.87yd)

Image width 34.7 20.6 14.5 9.7 4.6

Image height 23.7 14.9 10.8 7.2 3.4

Distance 50 m (54.68yd)

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.

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