CamPerform CP80-3-M/C-540
Ref. 1888-SU-01-C
Page 28
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
⋅
=
]
[
