Dalsa 1M28-SA User Manual page 7

1M28, 1M75, and 1M150 User's Manual
Table 2: Cosmetic Specifications for the 1M28 and 1M75
A
B
C
D
E
F
G
H
I
J
K
L
M
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
DALSA
PRELIMINARY
Blemish Specification
Number of first and last columns excluded
Number of first and last rows excluded
Blemish pixel deviation from average output under illumination
Blemish pixel deviation from average dark level, measured at
dark
Maximum number of bright single pixel blemishes at dark
Maximum number of bright single pixel blemishes under
illumination
Maximum number of dark single pixel blemishes under
illumination
Maximum number of bright clusters at dark
Maximum number of bright clusters under illumination
Maximum number of dark clusters under illumination
Maximum size of bright clusters at dark
Maximum size of bright clusters under illumination
Maximum size of dark clusters under illumination
Blemishes are measured over an entire frame of data and counted within the frame boundaries
defined by A and B above.
Single pixel blemishes are defined as a pixel with an output as defined in C and D. A bright
single pixel defect occurs when the pixel exceeds the average output as defined in C and a
dark single pixel defect occurs when the pixel is below the average output as defined in C.
Clusters are a group of adjacent blemishes.
Illumination analysis done at half saturation: the average pixel output of all pixels within the
frame is 128DN.
All tests conducted with gain off and skimming off with QTH lamp (color temp. 3200K) with
Wide Band Hot Mirror (750nm cutoff).
Exposure time set to 10ms.
Camera operating in linear mode.
Camera operating under 25°C ambient temperature.
Value
4
4
over 30DN and under
20DN
over 30DN
300
225
40
10
2
10
2
2
6
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