Antlia OIII 4.5 nm EDGE Narrowband — 1.25" mounted Antlia's EDGE series offers a balance between contrast and signal. This OIII filter isolates the 500.7 nm line with a 4.5 nm bandpass and strong OD5 blocking from 300 to 1000 nm.
Manufacturer model: Antlia OIII 4.5nm EDGE, 1.25-inch mounted · Specifications checked against manufacturer data on 2026-11-03
Antlia's EDGE series offers a balance between contrast and signal. This OIII filter isolates the 500.7 nm line with a 4.5 nm bandpass and strong OD5 blocking from 300 to 1000 nm.
| Line (CWL) | OIII, 500.7 nm |
|---|---|
| Bandwidth (FWHM) | 4.5 nm |
| Peak transmission | Over 85% |
| Blocking | Over OD5, 300–1000 nm |
| Thickness | 2 mm ±0.05 mm |
| Format | 1.25-inch mounted, M28.5 × 0.6 thread |
EDGE 4.5 nm series. Focal-ratio range not stated.
| Cwl (nm) | 500.7 |
|---|
Data sheet
Antlia OIII 4.5 nm EDGE Narrowband — 1.25" mounted Antlia's EDGE series offers a balance between contrast and signal. This OIII filter isolates the 500.7 nm line with a 4.5 nm bandpass and strong OD5 blocking from 300 to 1000 nm.
Manufacturer model: Antlia OIII 4.5nm EDGE, 1.25-inch mounted · Specifications checked against manufacturer data on 2026-11-03
