DGM Optics

DGM GCE (Galaxy contrast enhancement) filter 2"

$193.00

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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.

DETAILED SPECIFICATIONS

FILTER TYPE: Notch (Rejection Band)

COATING TYPE: Surface Coating

DIAMETER (MM) Per 48MM Camera Ring

TRANSMISSION: ≥ 90% avg 425-520nm ≥ 90% avg 620-750nm

BLOCKING: ≥ OD1 540-590nm

TRANSMITTED WAVEFRONT DISTORTION: ≤3 waves

ANGLE OF INCIDENCE: 0 HALF-CONE AOI 0

MINIMUM SURFACE QUALITY: Assembly per MIL-C-48497A (F scratch/ F Dig)