Antlia SLOAN/SDSS (griz&
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The Sloan Digital Sky Survery (SDSS) photometric system is the most common filter set used by observatories today. Antlia Photometric Sloan filter set includes four filters covering 401nm to the sensitivity limit of silicon CCD cameras near 1100nm. Ion Gun Assisted Deposition coating technology on the double-sided polished substrate makes them the most consistent, durable and accurate filters. Antlia Sloan filters have almost total suppression of optical density (OD)5, the result is that our photometric sloan filters minimize the already small leakage and create superior contrast.
Application and Performance
- Additional separation was included between the g' and r' filters to better avoid atmospheric sky glow line at 558nm
- Wider transmission windows, which allow fainter objects to be measured in a shorter time
- Antlia Sloan griz' filter set is suitable from f/15 to f/1.8
- Peak transmission guaranteed > 98%（g’＞95%）
Technical Specifications
- Wavelength:
- g': 401-550nm
- r': 562-695nm
- i': 695-844nm
- z': ＞820nm
- Peak Transmission:
- g': 95%
- r': 98%
- i': 98%
- z': 98%
- Blocking: ≥OD5
- Filter Thickness: 3mm+/-0.05mm
- 1/4-wave propagated wavefront prior to coating
- Identical filter thickness to existing standards, with utmost care for parfocality
- Each filter coated individually, NOT cut out of a larger plate with coatings
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Hide Found a better Shipped Price on Frontend? | No |
The Sloan Digital Sky Survery (SDSS) photometric system is the most common filter set used by observatories today. Antlia Photometric Sloan filter set includes four filters covering 401nm to the sensitivity limit of silicon CCD cameras near 1100nm. Ion Gun Assisted Deposition coating technology on the double-sided polished substrate makes them the most consistent, durable and accurate filters. Antlia Sloan filters have almost total suppression of optical density (OD)5, the result is that our photometric sloan filters minimize the already small leakage and create superior contrast.
Application and Performance
- Additional separation was included between the g' and r' filters to better avoid atmospheric sky glow line at 558nm
- Wider transmission windows, which allow fainter objects to be measured in a shorter time
- Antlia Sloan griz' filter set is suitable from f/15 to f/1.8
- Peak transmission guaranteed > 98%（g’＞95%）
Technical Specifications
- Wavelength:
- g': 401-550nm
- r': 562-695nm
- i': 695-844nm
- z': ＞820nm
- Peak Transmission:
- g': 95%
- r': 98%
- i': 98%
- z': 98%
- Blocking: ≥OD5
- Filter Thickness: 3mm+/-0.05mm
- 1/4-wave propagated wavefront prior to coating
- Identical filter thickness to existing standards, with utmost care for parfocality
- Each filter coated individually, NOT cut out of a larger plate with coatings
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Hide Found a better Shipped Price on Frontend? | No |
Antlia SLOAN/SDSS (griz') Photometric Imaging Filter Set of Four Filters - 50mm Round Unmounted