MidOpt Filters Where Image Quality Begins - Site ftp Elvitec

New Products – DB735, DB850 & DB940 Filters
Dual Bandpass Filters
• Ideal for color camera day/night applications
• Passes visible light and a narrow IR band
• Blocks interfering IR wavelength ranges to achieve accurate color rendition
• Makes viewing with appropriate IR illumination possible at night
Transmission (%)
Transmission (%)
DB735 DB850
NEW
100
90
80
70
60
50
40
30
20
10
0
300 400 500 600 700 800 900 1000 1100
DB940
100
90
80
70
60
50
40
30
20
10
0
Wavelength (nm)
DB735
300 400 500 600 700 800 900 1000 1100
Wavelength (nm)
NEW
DB940
Transmission (%)
100
90
80
70
60
50
40
30
20
10
0
300 400 500 600 700 800 900 1000 1100
Wavelength (nm)
Dual Bandpass Filters are ideal
for applications that use a color
camera during the day and are
used with IR illumination at night.
They ensure that clear, accurate
images are acquired under all
lighting conditions.
NEW
DB850
Transmission (%)
100
90
80
70
60
50
40
30
20
10
SUNLIGHT CCD SENSITIVITY(typical) DB940
0
300 400 500 600 700 800 900 1000 1100
Wavelength (nm)
Part #
Prefix
Filter Description
Full Width Half Max
(50% point)
+/- 10 nm
Minimum Peak
Transmission
Surface Quality
Scratch and Dig
Mount
Options
DB735
Dual Bandpass Visible
+ 735 nm IR
Visible 385-650 nm
Infrared 705-765 nm
90% 40/20 T,S,C,F
DB850
Dual Bandpass Visible
+ 850 nm IR
Visible 385-650 nm
Infrared 820-880 nm
90% 40/20 T,S,C,F
DB940
Dual Bandpass Visible
+ 940 nm IR
Midwest Optical Systems
Visible 385-650 nm
Infrared 910-970 nm
90% 40/20 T,S,C,F
T=Standard Threaded Lens Mount; S=Slip-On Mount; C=C/CS-Camera Mount (M25.4); F=Filter, No Mount
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