GCE - Galaxy Contrast Enhancement Filter (565RB) 2" Astronomy Filter
The Galaxy contrast enhancement filter aids in the visual observation of galaxies and Milky Way dust clouds and dark lanes. 2 inch diameter.
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Galaxy Contrast Enhancement (GCE) Filter - 565RB
The spectral curve and ascii data is a typical representation of this filter’s performance, but will vary due to production and design variations. Omega only guarantees this part to meet the product specifications listed. The displayed OD is calculated from a %T measurement. The blocking regions are likely higher OD than what is displayed here. To learn more about the challenges of measuring high OD values, see our paper.
≥ 90% avg 425-520nm ≥ 90% avg 620-750nm
≥ OD1 540-590nm
|Transmitted Wavefront Distortion||
≤ 3 waves
|Angle of Incidence||
|Minimum Surface Quality||
Assembly per MIL-C-48497A (F scratch/ F Dig)
Notch (Rejection Band)
≤ 1 arc minute