CR Series
Ref. 1830-SU-02-N
Page 80
can no more performed by the lens itself. In this case, a distance washer
has to be placed between the lens interface of the camera and the lens.
Distance Washer
The length of the distance washer can be calculated as follows:
Example:
Sensor Size as calculated above = 13,6mm
required Object Size=13,6mm
(The required magnification factor is = 1 : 1)
focal length of the lens = 35mm
calculated Length of the Distance Washer = 35
⋅
(13,6 : 13,6) = 35mm
Size
Object
Size
Sensor
Length
Focal
mm
Washer
Distance
e
th
of
Length
⋅
=
]
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Summary of Contents for CamRecord CR Series
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