GCE - Galaxy Contrast Enhancement Filter (565RB) 2" Astronomy Filter

$145.00

SKU: XAF-GCE200

Inventory type: Stock

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The Galaxy contrast enhancement filter aids in the visual observation of galaxies and Milky Way dust clouds and dark lanes. 2 inch diameter.

Customize this Filter: Request a quote for custom specifications, sizes, or volume quantitites.

Galaxy Contrast Enhancement (GCE) Filter - 565RB

Spectral Curves

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.

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Detailed Specifications

Physical Thickness
0.00
Physical Diameter
0.00
Diameter Tolerance (mm)
Nominal
Thickness Tolerance (mm)
Nominal
Clear Aperture Diameter (mm)
Per 48MM Camera Ring
Mounting (Outer Ø - Thickness - Clear Aperture in mm)
M03-FC 48MM
Transmission
≥ 90% avg 425-520nm ≥ 90% avg 620-750nm
Blocking
≥ OD1 540-590nm
Transmitted Wavefront Distortion
≤ 3 waves
Angle of Incidence
0
Minimum Surface Quality
Assembly per MIL-C-48497A (F scratch/ F Dig)
Mounting Type
Ring Mounted
Coating Type
Surface Coating
Shape
Round
Filter Type
Notch (Rejection Band)
Filter Application
Astronomy
Fluorescence Component
Astronomy
Clear Aperture Diameter Tolerance
Nominal
Flatness
ns
Parallelism
≤ 1 arc minute