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DGM HPOIII - High Performance O-III filter (503BP12) 1.25"
Price: 95.00€
Ex Tax: 76.00€
Ex Tax: 76.00€
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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 both emission and reflective nebula. 1.25 inch diameter.
DETAILED SPECIFICATIONS
| SKU | XAF-HPOIII125 |
| FILTER TYPE | Bandpass |
| INVENTORY TYPE | Stock |
| COATING TYPE | Surface Coating |
| SHAPE | Round |
| DIAMETER (MM) | Per 28.5MM Camera Ring |
| DIAMETER TOLERANCE (MM) | Nominal |
| THICKNESS (MM) | Per 28.5MM Camera Ring |
| THICKNESS TOLERANCE (MM) | Nominal |
| CLEAR APERTURE DIAMETER (MM) | Per 28.5MM Camera Ring |
| CLEAR APERTURE DIAMETER TOLERANCE (MM) | Nominal |
| FLATNESS | ns |
| PARALLELISM | ≤ 1 arc minute |
| MOUNTING TYPE | Ring Mounted |
| MOUNTING (OUTER Ø - THICKNESS - CLEAR APERTURE IN MM) | M03-FC 28.5MM |
| 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) |
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