Circular Spectral Filters
2 Results
NIR-Blocking Filters -- CALFLEX X
from Qioptiq
from Qioptiq
For photo detectors, Si-Diodes. Very high blocking in the NIR. High transmission in the VIS. Thickness 1.1 mm. T ≤ 1 % for 780 - 1100 nm. T = 50 % for 730 ± 20 nm. T ≥ 80 % for 420 - 680 nm [See More]
- Filter Shape: Circular; Square; Rectangular
- Rejection Range: 780 to 1100
- Transmission Range: 420 to 680
- Filter Diameter, Side Length, or Rectangular Length: 25 to 160
0.3 Optical Density 12.5mm Diameter UV-VIS ND Filter -- NT48-618
from Edmund Optics Inc.
from Edmund Optics Inc.
Ideal for 200-700nm Sources. Optical Densities Ranging from 0.3 to 3.0. Our TECHSPEC ® UV-VIS reflective neutral density (ND) filters are spectrally flat from 200 to 700nm and feature outstanding parallelism and surface characteristics. This combination of high tolerance and broadband... [See More]
- Filter Shape: Circular
- Thickness: 1.5
- Filter Diameter, Side Length, or Rectangular Length: 12.5
- Surface Quality: 20-10 Scratch / Dig