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We ship from the EU * since 2015
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DGM HPOIII - High Performance O-III filter 2"
DGM Optics

DGM HPOIII - High Performance O-III filter 2"

Regular price 1.677,00 kr 0,00 kr Unit price per
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Currently out of stock. Usually ships in 1-3 weeks. Contact us for a more accurate delivery estimate.

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)