Tools

Spec faster with data-driven selection tools.

Curve Compare

Overlay any filter’s transmission curve.

Open Curve Compare

SP644 Near-IR/Mid-Red Dichroic Block Shortpass Filter

Near-IR/Mid-Red Dichroic Block Shortpass Filter for machine-vision imaging — passes 395-638nm and blocks out-of-band light for repeatable contrast on the line.

Overview [ 01 ]

Near-IR/Mid-Red Dichroic Block Shortpass Filter

Specifications [ 02 ]
Useful range395-638nm
Wavelength bandVisible
Cut-off (50%)648nm
Min peak transmission≥90%
Tolerance+/- 10nm
Surface quality40/20
Mount & Size [ 03 ]
25.4® C-Mount
mm

Enter your lens part number to get the right filter size.

nmT %
11000.81
10900.42
10800.25
10700.16
10600.12
10500.11
10400.10
10300.13
10200.16
10100.22
10000.16
9900.09
9800.06
9700.04
9600.04
9500.05
9400.04
9300.09
9200.14
9100.43
9000.22
8900.13
8800.14
8700.11
nmT %
8600.14
8500.37
8400.31
8300.12
8200.09
8100.11
8000.18
7900.19
7800.13
7700.11
7600.13
7500.21
7400.26
7300.27
7200.33
7100.52
7000.89
6901.44
6802.48
6705.57
66013.20
65035.10
64070.03
63091.14
nmT %
62093.05
61093.47
60093.64
59093.82
58093.74
57093.92
56094.08
55093.94
54094.24
53094.36
52093.62
51093.27
50093.04
49092.23
48093.51
47093.59
46093.47
45093.14
44092.76
43092.83
42091.89
41091.16
40087.59
39060.94
nmT %
3802.63
3700.02
3600.01
3500.02