Mobotix S15 Spezifikationen PDF herunterladen (Seite 25)

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Technical Speciﬁcations

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Focal Lengths of MOBOTIX Lenses

The focal lengths of MOBOTIX lenses are always relating to 35mm camera format.

For example, the MOBOTIX L20-L23 Super Wide-Angle lens has a true focal length

of 3.6mm. Converted to 35mm format, this translates to a 20mm lens on a 6MP

image sensor and a 23mm lens on a 5MP image sensor. You can use this focal

length to easily compare image formats and angles of view. In addition, you can

set this value on common 35mm or digital still cameras to the focal length (Lxx) of a

MOBOTIX lens to check if the resulting image suits the requirements for this camera.

Lenses for S15D Modules with 6MP Image Sensor

Lenses with

6MP Image

Sensor

L10 L20 L22 L32 L43 L65 L135 L270

Original image

(image format

4:3)

35mm equiv. 10mm 20mm 22mm 32mm 43mm 65mm 135mm 270mm

True focal length 1.8mm 3.6mm 4mm 6mm 8mm 12mm 25mm 50mm

Aperture 2.0 1.8 1.8 1.8 1.8 1.8 1.8 2.5

Horizontal angle

of view

180° 105° 90° 60° 45° 31° 15° 8°

Vertical angle

of view

180° 77° 67° 45° 34° 23° 11° 6°

At 1m distance

Image width ∞ 2.6 2.0 1.2 0.8 0.6 0.3 0.1

Image height 11.3 1.6 1.3 0.8 0.6 0.4 0.2 0.1

At 2m distance

Image width ∞ 13.0 10.0 5.8 4.1 2.8 1.3 0.7

Image height 56.7 8.0 6.6 4.1 3.1 2.0 1.0 0.5

At 10m distance

Image width ∞ 26.1 20.0 11.5 8.3 5.5 2.6 1.3

Image height 113.4 15.9 13.2 8.3 6.1 4.1 1.9 1.0

At 20m distance

Image width ∞ 52.1 40.0 23.1 16.6 11.1 5.3 2.6

Image height 226.9 31.8 26.5 16.6 12.2 8.1 3.9 1.9

At 50m distance

Image width ∞ 130.3 100.0 57.7 41.4 27.7 13.2 6.6

Image height 567.1 79.5 66.2 41.4 30.6 20.3 9.6 4.8

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