Neutral Density Filters
Evaporated Metal Films (EMF)
ND Filter, 2.5 OD, 50 mm Sq.
ND Filter Specifications | ND-VIS-2.5-50
Optical Coating | Inconel | Optical Density | 2.5 OD |
---|---|---|---|
Density Tolerance | ± 5% of density | Operating Range | 400-700 nm |
Substrate | Float Glass | Size (mm) | 50 mm Sq. |
Size Tolerance | ± 0.5 mm | Thickness | 1.5 mm nominal |
Reflection | 55.00% | Scratch/Dig | 80/50 |
Clear Aperture | 80% | Parallelism | ≤ 3 arc min. |
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Digital Monochromator, 300 – 800 nm
Digital Mini-Chrom Monochromator Specifications | DMC1-03
Operating Range
300 – 800 nm
f Number
3.9
Focal Length
74 mm
Beam Path
In Line
Resolution with 50μ slits
0.36 nm
Resolution with 100μ slits
0.73 nm
Resolution with 150μ slits
1.09 nm
Resolution with 300μ slits (included)
2.18 nm
Resolution with 600μ slits
4.36 nm
Resolution with 1 mm slits
7.27 nm
Grating Density
1800 grooves/mm
Grating Blaze Wavelength
500 nm
Linear Dispersion (Center of Range)
7.16 nm/mm
Stray Light
≤ 0.003%
Wavelength Accuracy
± 0.2% of λ
Wavelength Reproducibility
± 0.15%
Wavelength Readability
0.2 nm
Operating Temperature Range
-20° C to +80° C
Damage Threshold: Pulsed
350 mJ/cm², 200 nano sec. pulse
Damage Threshold: CW laser
40 watts/cm²
50 in stock (can be backordered)
Please call +1.978.772.1700, or email for OEM quantity discounts.