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DGM HPOIII - High Performance O-III filter 2"
DGM Optics

DGM HPOIII - High Performance O-III filter 2"

Ordinarie pris €220,58 €0,00 Enhetspris per
Skatt ingår. Frakt beräknas i kassan.
We currently have 1 in stock.

The HPOIII makes an excellent complimentary filter to DGM's Narrow Pass Band Nebula filter. The HPOIII's high transmission and narrow bandwidth allows maximum enhancement and detail for a large variety of emission nebula. 2 inch diameter.  

 

DETAILED SPECIFICATIONS

FILTER TYPE:    Bandpass

COATING TYPE:    Surface Coating

DIAMETER (MM):    Per 48MM Camera Ring

MOUNTING TYPE:    Ring Mounted

CENTER WAVELENGTH (NM):    503

CENTER WAVELENGTH TOLERANCE (NM):    +4/-2 FWHM

BANDWIDTH (NM) 13 FWHM BANDWIDTH TOLERANCE (NM) +4/-2 TRANSMISSION:     ≥88% peak

BLOCKING:    ≥ OD2 540-590nm

TRANSMITTED WAVEFRONT DISTORTION:    ≤ 3 waves

ANGLE OF INCIDENCE 0 MINIMUM SURFACE QUALITY:    Assembly per MIL-C-48497A (F scratch/ F Dig)