DGM Optics

DGM HPOIII - High Performance O-III filter 1.25"

672,00 kr ~~866,00 kr~~

VAT included for EU customers. Shipping calculated at checkout.

We currently have 2 in stock.

This product is delivered without a jewel case.

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. 1.25 inch diameter.

DETAILED SPECIFICATIONS

FILTER TYPE: Bandpass

COATING TYPE: Surface Coating

DIAMETER (MM): Per 28.5MM 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)