Antlia LRGB Filter Set 36mm – Astrophotography
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Vai al moduloAntlia LRGB Filter Set 36mm – Complete Set for Deep Sky Color Astrophotography
The Antlia LRGB filter set 36mm contains four filters – L, R, G and B – in 36mm unmounted format for filter wheels and mono CCD/CMOS cameras. Monolithic optical glass, non-cemented, double-side polished, multilayer nano-coating, hand-blackened edges for minimum stray light.
Optimized RGB ratio 1:1:1 (±10%), >95% passband transmission, OIII overlap in B and G for natural colors, sodium blocking at 589nm between G and R. Compatible with telescopes up to f/2.0.
Technical Specifications
| Contents | 4 filters: L + R + G + B |
| Format | 36mm (unmounted) |
| Passband transmission | >95% |
| Off-band blocking | OD3 @ 300–1050nm |
| Substrate | Monolithic optical glass, 2mm ±0.05mm |
| Surface quality | 60/40 (MIL-O-13830) |
| Flatness | 1/4λ |
| Parallelism | 30" |
| RGB balance | 1:1:1 (±10%) |
| Focal ratio | Up to f/2.0 |
| Recommended cameras | CCD/CMOS mono |